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1. escription 1 4 test pattern keyboard display 4 6 patient module display 4 3 B 12 preview display 4 5 tesis CPU assembly 4 3 deleting 4 7 keyboard display 4 6 modem 4 6 C patient module cable 4 3 B 12 preview display 4 5 safety 4 13 starting 4 3 heory of operation 5 1 27 time change display 2 16 ime changing the setting 2 16 reinstallation 7 20 removing 7 18 7 20 ransmit ransmit configuring baud rate 2 28 onnection 2 28 phone number 2 28 ransmit menu display 3 11 ransmit site 2 28 phone number 2 28 ECGs C ransmitting C 3 RKOO signal A 10 xtended Self test using 6 4 oise problems 6 11 CT assembly 6 13 lisk drive 6 1 Index 19 Index 20 patient module and cable 6 11 power supply and battery 6 9 preview display and logic 6 19 printer 6 1 ransmit and modem 6 2 URBO signal XD signal D0 UD3 signals 11 A 12 D signal 5 2 ndervoltage monitoring 5 19 NITOFF signal 5 2 NITON signal 5 2 5 19 5 21 pgrade kits 1 1 ser interface assembl removing 7 5 3R V4R V7 D 10 BACK 5 21 6 22 BACKT
2. 8 S Signal Definition 5VF A filtered version of the system 5V FP Frame pulse Clocks in one screen of LCD data LDO LD3 Data bits for lower half of preview screen LP Latch pulse Clocks in one line of LCD data POWERGND Power ground return for VIN SCP Shift clock pulse Clocks in upper and lower LCD data UD0 UD3 Data bits for upper half of preview screen VIN 15 to 31 V dc depending on line voltage and load VLCDEN LCD enable signal Connector Pin Assignments 11 Signal VCFLRET VCFLI1 2 Signal FP LDO LD3 LP SCP 000 003 VCCFILT VLCD A 12 Connector Pin Assignments Table A 12 Power Supply to LCD Module J1 3 NC 4 NC Definition Return path for cold fluorescent backlight power Power for cold fluorescent backlights Table A 13 Power Supply to LCD Module J2 ire s upo Definition Frame pulse Clocks in one screen of LCD data Data bits for lower half of preview screen Latch pulse Clocks in one line of LCD data Shift clock pulse Clocks in upper and lower LCD data Data bits for upper half of preview screen Filtered 5V Contrast voltage to the preview display M1754A Signal Averaged ECG SAECG System Introduction Note v The M1754A SAECG System enables the PageWriter XLi to detect display and record high frequency low amplitude in the 2 to 20 microvolt range ECG signals The system can also detect mid QRS m
3. Leads off indicated when Poor electrode contact Improve patient preparation wire is not off Defective leadwire Remove leadwire and install shorting plug If leads off isn t indicated replace leadwire if leads off is indicated replace the patient module Verify cardiograph is not in configuration mode or busy No response to start button Cardiograph busy M1700A amp M1701A only Insufficient pressure on start button Push harder Defective patient module Suspect Replace patient module patient module if cardiograph starts from front panel but not from patient module button Cardiograph is in SAECG mode start button is not active in this mode ROM Software Defect A 01 00 Patient was disconnected before copy button was pressed All Leads Off printed on a copy of M1702A ECG M1702A only Install A 01 01 or later Revision ROM 6 12 Troubleshooting Table 6 3 Patient Module and Patient Data Cable continued Symptom Corrective Action Bad ECG Good calibration pulse in channel s where trace s is are not good lead is missing dotted line on trace Noisy lead s AC regular pattern for 60 Hz 12 peaks 5 mm at 25 mm sec for 50 Hz 10 peaks 5 mm Noisy lead s Muscle artifact Noisy lead s I III aVL Noisy lead s II III aVF Noisy lead s I II aVR Noise in only one V lead
4. Index 3 Index 4 password 2 patient TD 7 77 onfiguration parameters AutoCopy 2 25 22 onfiguring LaserJet printing 2 6 87 ontrast knob keyboard display 3 3 patient module display 3 3 preview screen 3 3 5 27 controls keyboard display contrast knob 3 3 35 lata buffers 5 8 lisk controller 5 15 control 5 12 power supply 5 16 System expansion connector 5 8 5 15 ustom 3 lead group D 10 ustom lead groups parameters 2 25 D 0 D 15 signals 8 ata able connecting to patient module 2 7 data a AS package parts list 8 23 date change display 2 16 date changing the setting 2 16 DCD signal A 7 DCn signal A 8 Defective VCG data D 11 elete options 1 ETECTOR signal A 4 pulse 2 28 ligital signal processor 5 1 5 14 lock diagram 5 15 DIRECTION signal 1 lisassembling the preview screen assembly 7 13 7 15 tools required 7 2 lisk reformatting 3 12 storage space available 3 12 DISKCHANGE signal 10 lisk drive 5 15 block diagram 5 15 eplacing 7 32 isplay alternate main menu 3 10 xtended Self test 4 2 B 11 Index 5 Index 6 main menu 2 16 3 4 parameter selection 2 1 DOOR signal 4 DRAM array 5 10 5 19 DRVOSE
5. PageWriter XL Cardiographs M1700A M1701A and M1702A Mobile Cart M1705A B Telecommunications Package M1706A B Service Manual Including information on M1754A Signal Averaged ECG SAECG M1755A 02 00 A 03 XX Software M1756A FAX Modem and M1790A Vectorcardiography VCG U HEWLETT PACKARD HP Part No 1700 91909 Printed in USA September 1995 Edition 7 E0995 O 4 74 5 92522 Notice The information in this document may change without notice Hewlett Packard makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Hewlett Packard shall not be liable for errors herein or for incidental or consequential damages in connection with the furnishing performance or use of this material This document contains or refers to proprietary information which is protected by copyright All rights are reserved Copying or other reproduction of this document without prior written permission of Hewlett Packard Company is prohibited Responsibility of the Hewlett Packard only considers itself responsible for any effects Manufacturer safety reliability and performance of the equipment if all the following are true Assembly operations extensions re adjustments modifications or repai
6. SAECG Note If the applications menu does not appear press until the following appears in the display Prev Reformat Timed ContPrev Delayed Exit Press Exit to display the applications menu 2 Press SAECG A display similar to the following appears SAECG Start 02 13 92 10 22AM 3 Press Start The message Determining template beat appears followed by this display Select the template Select Reject Match Noise Exit M1754A Signal Averaged ECG SAECG System B 7 In addition the template beat with the matching and noise windows appears on the preview screen as shown Figure 3 123456 John Picard Template AV Selectlead Matching window Noise window Select the template Select Reject Match Noise Exit LES L3 Figure B 3 A Template Screen Select Confirms the displayed template beat The template beat is a typical beat used to match other beats during averaging You must do this before you can start the SAECG process Reject Rejects the displayed template beat and acquires CUN another Match Lets you adjust the matching window Use the 4 and keys to position the window then press Done Make sure the matching window contains the fastest rising portion of the R wave Noise Lets you adjust the noise window Use the 4 and keys to position the window then press Make sure the noise window is on a flat part
7. Figure B 4 SAECG Patient Module Block Diagram 14 1754 Signal Averaged ECG SAECG System n 4 4 4 4 Troubleshooting Table B 3 SAECG Testing Problems Symptom What to Do Message 6503 appears XLi cardiograph software has not yet been installed Install the XLi software before installing the SAECG software Message No room to load application Delete another application such as Preview Plus before appears installing the SAECG application Message Attach SAECG patient module Attach the SAECG patient module before attempting to use appears the SAECG application Message No heartbeat Check connections lead might not be connected Refer to Chapter 1 for appears information on how to apply electrodes for an SAECG The noise stops decreasing during averaging A lead might be off Check the leads and continue or restart the SAECG test The application does not average to the preset The ECG signal is too noisy level of noise Table B 4 Patient Module and Patient Data Cable Symptom Corrective Action Noisy lead X Poor electrode contact X or X Refer to M1754A SAECG User s Manual X or Xt leadwire defective Replace leadwire Noisy lead Y Poor electrode contact Y or Y Refer to M1754A SAECG User s Manual Y Yt leadwire defective Replace leadwire Noisy lead 2 Poor electrode contact Z or Z Ref
8. Typically 24 months battery only operation Typically 12 18 months Memory data retention time with fully charged battery Typically 1 month after Low battery shutdown Typically 5 days Modem power 9 V AC for Hayes modem 9 V DC for Worldport 24967 Fax Data modem Ground leakage current at 120 V Less than 100 pA at 220 V Less than 500 pA Dielectric withstand voltage 1 5 RMS across line neutral to Earth for 1 min Introduction 1 7 Table 1 6 Environmental Specifications Specification Temperature operating 41 115 F 5 45 C storage 14 122 10 50 C Humidity operating 20 80 RH non condensing storage 10 85 RH non condensing Pressure altitude operating To 15 000 ft 4600 m storage To 50 000 ft 15000 m Table 1 7 Miscellaneous Specifications Specification Real time clock accuracy 25 C 1 5 minutes per month 59 459 5 minutes per month RS 232 bit transmission rates 300 1200 4800 9600 19200 baud Printhead life Typically 100 000 pages 1 8 Introduction 4 4 4 4 3 9 9 459 Options Accessories PageWriter XLi XLs These tables list the options and accessories available for PageWriter XLe Cardiographs cardiographs Country Options Each country option includes appropriate power cord voltage printer patient module and
9. M1702A M1702 69502 SAECG patient inodule M1700A M1700 69511 SAECG patient inodule IEC M1700A M1700 69512 Patient data cable 2 5 M M1719A Patient data cable 9 0 M M1720A M1700 27903 MIT7IIA 1712 1715 1712 M1715C M1713B 1716 Leadwire set Peds Frank includes 2 Frank leads labels MI717B M1700 84513 M1700 47602 M1718A M1700 84509 M1700 84592 M1702 84509 M1702 84510 M 1700 84589 M 1700 84590 M 1700 584521 Jack nuts data cable inserts Limb leadwire replacement kit AHA Limb leadwire replacement kit LEC Chest leadwire replacement kit 24 in 60 cm AHA Chest leadwire replacement kit 24 in 60 cm IEG Chest leadwire replacement kit 15 in 38 em Chest leadwire replacement kit 15 in 38 em Leadwire set complete Leadwire set IEC complete Frank leads label Shorting plug Leadwire support kit Label for patient module 1700 and MITOLA Label for patient module FEC MITOO and MITOIA Label for patient module 1702 Label for patient module IEC MIT02A Label for SAECG patient module MI700A Label for SAECG patient module 1700 Module end label Parts Lists 8 3 Note m Each limb leadwire replacement kit contains two leadwires and ID ring
10. Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the left and right clutch covers a Insert a small flat bladed screwdriver in the slot at the bottom rear of the clutch cover and gently pry up till the catch releases b Tilt the clutch cover forward slightly to disengage the tabs at the front then lift it away This is easier if the display lays flat on the PageWriter 6 Remove the screws holding the ground straps on both sides 7 Remove the mounting screws and washers from the right and left clutches 8 Open the top cover and disconnect the preview cable from the preview logic board see Opening and Removing the Top Cover Assembly later in this chapter Disassembling the Preview Screen Assembly Use this procedure to disassemble the preview screen assembly Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter
11. The stored error log is cleared each time the software is reloaded whether from the System disk that comes with the cardiograph or from a user s configuration disk If you are troubleshooting a problem you should print the error log before you reload the software This can assist in determining the cause of the failure If the failure disappears after reloading the software the loaded software may have been corrupt If the failure continues after reloading the software and produces the same error code a hardware problem is likely 7 Error 95007 83510 04007 04097 64007 04007 05007 03516 03510 93510 03510 04003 04003 85007 05007 85002 03510 83510 035160 05007 05007 83510 03510 03510 03510 03510 03510 05007 05007 03510 03510 03510 85007 85002 05007 0500 03510 05007 05007 05007 ERROR 106 Date 91 01 1989 03 30 1990 03 30 1990 03 30 1990 03 31 1990 03 31 1990 03 31 1990 03 31 1990 83 31 1990 83 31 1990 03 31 1990 83 31 1990 83 31 1990 83 31 1990 83 31 1990 03 31 1990 03 31 1998 03 31 1990 03 31 1990 83 31 1990 83 31 1990 83 31 1990 03 31 1990 03 31 1990 03 31 1990 03 31 1990 93 31 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 Time A ON USVSaERS4SSEReesssnRBagsnagws SRSSSSRELSLRRSREBNKEKE 48 44
12. c Slide the door out of the rails and set it aside 2 Remove the user interface assembly as described previously in this chapter 3 Open the top cover as described previously in this chapter 4 Remove the printhead cover as shown in Figure 7 15 7 20 Removal and Replacement Caution 5 ee E aOR Ria AURU TE Figure 7 15 Removing the Printhead Cover and Printhead 5 Disconnect the two printer cables at J2 and J5 see Figure 7 20 for the connector locations and remove the ground wire 6 Close the top cover but do not reinstall the screws You need to open the cover again when you install the new printhead 7 Pull the leaf spring up and out of its slots in the well 8 Carefully slide the printhead assembly up and out of the printer well Pull the two ribbon cables and the ground wire from the slots in the top cover PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use this procedure to remove the printhead assembly Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and handling the printhead assembly To remove the printhead 1 Remove the printer door a Release the latch and pull the door out to the first stop b Compress and remove the plastic retainer clip at the end of the rear aluminum rail Removal and Replacement 7 21
13. CONTROLS DRAM GATE CAS DYNAMIC ARRAY ADDRESS RAM ADDRESS RAM DATA Comer RAM DATA pos Figure 5 5 System Memory Block Diagram M1700 04 Theory of Operation 5 11 Control 5 12 Theory of Operation The I O control circuitry handles the system input and output The block diagram in Figure 5 6 shows the major elements The FGA The primary element in the I O control is the Foundation gate array FGA It provides the following functions Keyboard interface m Data bus arbitration m Transmit portion of the patient module interface m Enable and Select generation m System clock generation Baud rate generation The FGA in its role as keyboard interface sends and receives data directly to and from the keyboard through a 1200 baud serial interface data bus arbitrator the FGA enables and controls the direction of the data transceivers that buffer system data The FGA also generates the read and write enable signals and the chip select signals for all I O devices 47 LCD DATA TRANSCEIVER DATA BUS BUFFERED ARBITRATION CONTROLS DATA PM INTERFACE SIGNALS 32 MHz OSCILLATOR CONTROLS FGA 4 SELECTS AND ENABLES INTERRUPTS RECEIVE KEYBOARD LATCHED ADDRESS TRANSMIT CONTROL BUFFERED DATA aE 6D CONTRAST CLOCKS CONTROL M1700 05 Figure 5 6 1 Control Block Diagram Theory of Operation 5 13 Digital Signal Processor 5 14 Theory of Operation S
14. Noise in general Faulty operator technique poor electrode contact Defective leadwires Defective patient module Faulty operator technique poor electrode contact Defective leadwires Defective patient module Faulty operator technique poor electrode contact Patient or patient module cable near AC power Patient is not relaxed or skin has been irritated Low quality disposable electrodes leadwire adapters LA leadwire defective LL leadwire defective RA leadwire defective Faulty operator technique poor electrode contact Defective leadwires Faulty operator technique poor electrode contact Defective leadwires Refer to Table 6 1 in user s manual Isolate defective leadwires and replace Replace patient module Refer to Table 6 1 in user s manual Isolate defective leadwires and replace Replace patient module Refer to Table 6 1 in user s manual Reposition patient module cable Try plugging cardiograph into AC outlet Refer to Table 6 1 in user s manual Replace disposable electrodes or leadwire adapters Test with ECG simulator Replace defective leadwire s If none defective replace patient module Replace LA leadwire Replace LL leadwire Replace RA leadwire Refer to Table 6 1 in user s manual Isolate defective leadwires and replace Refer to Table 6 1 in user s manual Isolate defective leadwires and replace Troubleshooting 6 13
15. open the top cover assembly 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter Removal and Replacement 7 17 Warning When the cardiograph is connected to power there are dangerous N voltages on the line module terminals even when the AC switch is off When the AC switch is on there are also dangerous voltages on the terminals of the mains transformer If you must have the AC power connected while the cardiograph is open do not touch any of the exposed connectors The rectifier assembly capacitors store hazardous amounts of energy during AC and battery operation Be careful not to touch any of the exposed capacitor connections 5 Remove the user interface assembly as described earlier in this chapter 6 Remove the three screws from the rear panel as shown in Figure 7 13 Figure 7 13 Opening and Removing the Top Cover Assembly 7 Slide the top cover forward about 1 inch then carefully lift it straight up until there is enough clearance to tilt the left side up To remove the top cover assembly continue as follows 8 If the cardiograph is equipped with a preview display disconnect the cable that connects the preview screen to the preview logic board and a ground wire Disconnect the four cables and the ground wire t
16. the cardiograph is in Standby it is not operational but it is powered Note To ensure full battery capacity charge the battery for 24 hours following its installation in the cardiograph 2 12 installation and Configuration Caution Installing the Software on the M1700 amp M1701A Note Note 45 If the cardiograph will be stored for longer than one month remove the battery from the unit The software for the M1700 is provided on two disks and the software for the 1701 is provided on one disk The software is loaded into memory when the disk is in the drive when the cardiograph is turned on To install the software 1 Press the switch to place the cardiograph in Standby 2 Insert the appropriate system disk in the disk drive m If you have no other applications to install install the A 03 00 system disk M1700 17920 m If you want to install M1754A SAECG software later install the 4 03 00 system disk M1700 17920 m If you want to install M1790A VCG software later install the A 03 10 option disk M1700 17921 If you have an M1701 PageWriter XLs cardiograph install the M1701 system disk M1701 17900 3 Press to turn the cardiograph On If no software is installed in the cardiograph the cardiograph will begin immediately to load the software from the disk If software is already installed in the cardiograph the prompt Load configuration followed by the name of th
17. z aan A 9 AQ aao AQ 19 nLOCK JAG AQ 2 INT A 4 GROUND AQ3 AG D 8 AQ2 6 D 9 AQ3 A 5 7 D 10 GROUND AQ6 V N gt gt em mm mie oO nN mo N gt Too 2 7 gt M porem J TURBO GROUND D 4 5V nRESET tS 9 9 5 reum gt 5 5 I n viv vn topo j f p vje aje je j e s mrTo GROUND GROUND 29 LCDRW Dus GROUND DIR ri5READY VIN 3 i5 HoLD nWAIT 32 NC wra GROUND Signal Definition 5READY Goes high when cardiograph 5 volt supply is within regulation Goes low when 5 volt supply is off or out of regulation A 1 A 23 CPU address bus ADS CPU address strobe active high BT1 Bus cycle state bits Indicates current bus cycle D 0 D 15 CPU data bus DCn CPU output 1 data 0 control cycle HLDA Hold acknowledge from CPU HOLD Hold request from CPU IBITO IBIT2 General purpose input bits INT Expansion interrupt INTR Interrupt line to the CPU LCDON Enables preview LCD LCDRS Control that identifies data as display or instruction LCDRW LCD read write control 1 read 0
18. 1 Connect the patient module leadwires to the simulator Check the display on the patient module to verify that all leadwires are connected and signal quality is adequate Gently pull each leadwire taut and look for excessive noise on the patient module display 2 On an M1700A with preview display check that all twelve leads are displayed The leads will be displayed in groups of three 4 8 Performance Verification and Maintenance 3 Select a Manual format on the front panel display preferably 12 lead 4 Press on the cardiograph front panel or press on the patient module to start the recording When the recording is complete m Verify trace activity for all 12 leads This assures integrity of all patient electrodes and leadwires Noise should measure less than 1 mm and there should be no baseline wander m Verify no gross distortion of complexes or calibration pulses no overshoot etc m Verify that calibration pulses are of proper duration This assures the correct paper speed With the cardiograph set to record at 25 mm sec the calibration pulse should measure 5 mm calibration pulse duration is 200 ms Verify that calibration pulse amplitude is correct This assures the correct gain With the cardiograph gain set at 10 mm mV the calibration pulse should measure 10 mm calibration pulse amplitude is 1 mV An arrhythmia simulator is not an acceptable tool for verifying computerized ECG analysis The an
19. Contents 5 PageWriters with Serial Number Prefix Prior to 8 Connector Pin Assignments CPU Assembly Connectors Preview Display Connectors M1754A Signal Averaged ECG ae System Introduction Installation gee Config euration Contents 6 1756 Direct Digital Fax Introduction nstallation and Config aration Vectorcardiography M1790A Introduction ia Contents 7 Figures M1700A PageWriter XLi Cardiograph with Preview Display Printer Drive and Keyboard Ground Plane Screw Locations Contents 8 Printer Drive and 8 Ground Plane Screw Locations 15 Removing the Printhead Cover and Printhead 16 Removing the Printhead Cover and Printhead T Sew oe Locations on the CPU Assembly Contents 9 Tables Contents 10 2 4 Global Configuration Parameters continued 2 22 2 5 Global Configuration Parameters continued 2 2 2 Power Supply and 3 Patient Module and Patient Data Cable 6 12 4 CPU Assembly CPU FGA ROM RAM 6 14 Patient Module Parts List Main Assembly Parts List Serial Numbe 3208A or Later Main Assembly Parts List 9 M1705B Cart Parts List Data Communications Package s e e gt o 3 Hayes Modem and Direct Connect Cables Parts Li LaserJet Cable Parts List st 1 Keyboard and Keyboard Display LC
20. K07 LaserJet printer cable 906 Swiss power cord Substitute Options 01 Substitute inch size 1 8in post reusables 502 Substitute metric size 4mm post reusables 1702 only 503 Substitute standard patient module 504 Substitute standard patient module Documentation Options 0B3 PageWriter XL Series Service Manual English only M1700 91909 0 User Training Video VHS NTSC 1700 89000 0BQ User Training Video VHS PAL M1700 89001 Standard Accessories Supplied 2 5 meter patient data cable M1719A m 200 sheets z fold paper A size M1707A A4 size M1709A m 10 universal adapters 13946A 300 solid gel tab electrodes 13943B Disposable electrodes and adapters are standard supplies Use 01 and S02 options to obtain reusables 01 x Welsh bulb electrodes 40421A 1 8in post 4 limb electrodes 40424A 1 8in post 4 limb straps 14030A m 1 tube Redux creme 651 1021 050 502 m 6 Welsh bulb electrodes 40490E 4mm banana 4 limb electrodes 40491E 4mm banana US 4 limb straps 14030A M1703A PageWriter XLi Upgrade Kits M1704A PageWriter XLs Upgrade Kits M1706A Telecommunications Package 1 tube Redux creme 651 1021 050 vglue 1cm PageWriter XLi Operating Guide M1700A only PageWriter XLi Cardiograph User s Reference Guide M1700A only PageWriter XLi Cardiograph Physician s Guide M1700A only PageWriter XLs User s Guide M1701A only
21. Limited to 30 characters Available only on the M1700A User label Enter user defined label such as Smoker or User label Apnea that appears in ID entry process Limited to eight characters Battery Timeout To lengthen battery life the cardiograph turns off after the period of time specified by this parameter The time is measured in minutes from the completion of the last operation the last key press or disconnection of patient leads The time out function is disabled when the cardiograph is plugged into AC and the AC switch is on Password To protect your configuration settings from casual changes you can require password entry to access the configuration This password is set in Global configuration If the password is set and forgotten you will be unable to change the cardiograph configuration without reinstalling the factory software Installation and Configuration ID Configuration When you press ID from the configuration menu a parameter selection display appears The following list presents each ID configuration option You choose either Yes to include or No to exclude that item from the patient ID information prompted for while entering patient ID Yes is the default choice for all except the last three items m Allow NAME entry m Allow AGE entry m Allow SEX entry m Allow HEIGHT entry Allow WEIGHT entry m Allow BP entry Allow RACE entry m Allow DX entry m Allow R
22. m PageWriter XLe User s Guide 1702 only Signal Averaged ECG User s Guide M1754A only Vectorcardiography User s Reference Guide M1790A only Two blank 1 44 Mb high density disks reorder M1700 89004 box of 10 disks System software version A 03 XX M1755A M1700 17720 M1700 only System software version 01 02 M1701A M1701 17700 1701 only D06 system software version 02 02 M1700A M1700 17711 M1700A option D05 and D06 only Options A01 Add Preview Display Country option must also be ordered Options 01 Upgrade XLs to XLi M1706A includes bracket and cable Country option must also be ordered Options ABA U S Modem Hayes 2400 ABC Canada Modem Hayes 2400 ABF France Modem Hayes 2400 ABH Netherlands Modem Hayes 1200 ABU U K Modem Hayes 2400 ABZ Italy Modem Hayes 1200 K01 Quick Connect cables for Hayes modem M1706 61636 and M1706 61637 Introduction 1 11 1706 Telecommunications Package M1753A PageWriter XLe Upgrade Kit M1754A PageWriter XLi Signal Averaged ECG System Y Note M1755A PageWriter XLi Upgrade Kit b Note 1 12 Introduction M1706B includes bracket and cable Country option must also be ordered Options ABA U S Modem 2 288 ABC Canada Modem Hayes 288 ABF France Modem Hayes 288 ABH Netherlands Modem Hayes 288 ABU U K Modem Hayes 288 ABZ Italy Modem Hayes 2
23. supply board be sure not to twist the cable or the display may not operate The Top Cover This section describes how to remove and replace the top cover Assembly assembly The top cover assembly includes the upper chassis and attached covers the printer assembly and the 1700 the preview screen assembly ensure your safety and prevent damage to the cardiograph these procedures instruct you to remove the battery and disconnect the AC power which means that the contents of system memory will be lost including the configuration and software When you reapply power to the M1700A or M1701A cardiograph you must install the software using either the System disk supplied with the cardiograph or a custom configuration disk Before removing the 1702 battery print a copy of the cardiograph configuration to facilitate restoring the configuration when power is reapplied See Installing Software e in Chapter 2 Opening and Removing The procedure you will use depends on the serial number prefix of the Top Cover Assembly unit you are servicing Make sure you use the correct procedure for your particular PageWriter PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix of 3208A or later use this procedure to open and remove the top cover assembly Note 1 You can service any PageWriter with a serial number prefix of 3208A ri 2 or later without removing it from the cart
24. 3 Remove the six screws shown Figure 7 4 6599 99000 O O O O O O O O O O O OQ M1700 18 Figure 7 4 User Interface Screw Locations 4 Carefully lift the assembly and tilt it until the keyboard and LCD circuit boards are accessible 5 Disconnect the ribbon cables from the circuit boards Removing the boards can impair the long term reliability of the cardiograph Caution y Do not remove the circuit boards from the user interface assembly Replacing the User Interface Assembly To replace the user interface assembly reverse the above procedure 7 6 Removal and Replacement 2 9 270 The Printer Drive This section describes how to remove and replace the printer drive Assembly assembly Removing the Printer The procedure you will use depends on the serial number prefix of Drive Assembly the unit you are servicing Make sure you use the correct procedure for your particular unit PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix of 3208A or later use this procedure to remove the printer drive assembly To remove the printer drive assembly 1 Remove the keyboard and the user interface assembly as described previously in this chapter 2 Remove the printer door a Release the latch and pull the door out to the first stop b Compress
25. 5 14 Index 8 KBD RESET signal 2 keyboard 3 2 5 12 5 22 problems 6 2 eyboard display 5 2 problems 6 20 KRX signal A 2 KTX signal 2 CDDATA signal A 2 CDE signal A 2 CDON signal 5 26 A 8 CDRS signal A 2 A 8 A 8 D0 LD3 signals A 12 D signal 5 26 B 13 eadwires cleaning 4 13 ine fuse changing 2 10 ating requirements 2 10 oading printer paper 2 14 ow battery disconnect 5 19 Index 9 Index 10 mo dem onnection parameter 2 28 2 2 roblems 6 20 motor driver circuit 5 22 ON signal A 10 o VCG report troubleshooting D 11 nPSTB signal 3 TI able 1 9 ountry 1 9 substitute 1 10 1 13 bpto isolators 5 6 13 ordering information parts 8 1 overvoltage monitoring 5 19 1 4 signals 4 Page Advance 3 3 aper loading 2 14 aper sensor cleaning 4 11 arameters AutoCopy 2 25 attery timeout 2 26 password 2 26 parameter selection display 2 19 ata communications package 8 23 review display 8 18 rinter 8 15 arts ordering information 8 password setting 2 26 atient data cable cleaning 4 13 connecting 2 7 B 2 patient ID configuration 2 2 excluding entries 2 27 patient module 5 1 D 2 analog to digital
26. 8120 5368 8120 5213 8120 2956 8120 2104 8120 4211 M1700 67114 M1700 07313 M1700 67112 Power Power cord Europe Power cord US Power cord Denmark Power cord Switzerland cord South Africa Power AC transforiner assembly Chassis lower sheet metal only Chassis upper Parts Lists 8 11 8 12 Parts Lists Table 8 3 Main Assembly Parts List Serial Number Prefix Prior to 3208A continued Ref Description Part No No Label for key panel name set M1700A M1701A and M1702A M1700 84574 Label for key panel Dutch M1700A M1701A and 1702 M1700 84638 Label for key panel English M1700A MITUIA and 1702 1700 84608 Label for key panel Finnish M1700A M1701A and 1702 M1700 84688 Label for key panel French M1700A MI7OLA and M1702A M1700 84618 Label for key panel German M1700A MITOLA and 1702 1700 84628 Label for key panel Italian M1700A M1701A and M1702A M1700 84658 Label for key panel Norwegian M1700A M1701A and 1700 84678 1702 Label for key panel Spanish M1700A MITOIA aud 1702 1700 84648 M1700 84668 Label for key panel Swedish 1700 and 1702 M1700 84738 1700 84708 M1700 84788 M1700 84718 M1700 84728 M1700 84758 M 1700 84778 M 1700 84748 M 1700 84768 M 1700 67115 M 1700
27. BAT 5 18 5 20 6 22 BAT BATMEAS signal 5 2 BAT A 5 CC 5 2 CCFILT A 1 CFL 5 2 CFLI 2 1 CFLRET A 12 CG rinting D 4 report formats D CG D 11 CG1 D CG2 D CG3 D 7 D 8 CG4 D 7 D CG recording configuration D 3 CG report D disabling D preventing from printing D 5 6 5 20 5 26 6 22 9 A 11 isual inspection 4 1 VLCD 5 27 12 LCD A 2 V Leads 3 4 MAIN 5 16 oltage reference circuit 5 2 a 5 A 11 VREF OWERGND 11 power supply 6 2 BACK 5 21 6 22 BACK7 BAT 5 20 6 22 5 BATMEAS 5 20 BAT 5 5 2 CCFILT A 12 CFLRET 12 FE 5 21 6 23 A 6 9 bo E LCD 5 26 2 12 4 5 THERM 3 oltage locations 6 23 REF 2 signal 5 21 IN 5 16 5 19 5 20 5 26 Index 21
28. Connection Baud Rate None Direct Hard wire connection to receiver Programmable Modem The Hayes M1706A B modem Hardware Modem Not supported Fax programmable modem 02 and higher software using M1756A modem 03 3 and higher software using M1706B modem Defaults 9600 for Direct 2400 for Programmable Modem and Fax programmable modem 1200 for Hardware Modem This parameter does not appear if you select None as the connection type AutoDial When you select AutoDial from the Configure menu the AutoDial site prompt appears in the display Use the Choose softkey to select the site 1 2 3 4 or None that the cardiograph will automatically dial when the operator issues a transmit command 2 30 Installation and Configuration LaserJet Printer Configuration A 03 XX Software Only Note Configuration Files Note Note v E Y The following table lists the settings to choose to configure the cardiograph to print on a LaserJet printer Only ECGs not SAECGs VCGs Store log reports or configuration reports can be printed on a LaserJet printer Only PCL5 LaserJet printers are able to print from a cardiograph Table 2 6 LaserJet Printer Configuration Setting Choice Connection Baud Rate Print grid on report When you press Files from the main Configuration menu the following menu appears on the display Configuration file jobs Store Print Exit
29. Table 6 4 CPU Assembly CPU FGA ROM Symptom Corrective Action System won t turn on battery Defective CPU assembly Replace CPU assembly installed and OK System turns on but won t Stored software corrupt Reinstall software run Power supplies OK Defective CPU assembly Replace CPU assembly 6 14 Troubleshooting Table 6 5 Printer Symptom Corrective Action Paper doesn t move printer Paper out or jammed Replace paper or clear paper jam error message displayed Check paper supply Defective motor sensor cable assembly Replace motor sensor cable assembly Defective motor assembly Replace motor assembly Replace CPU assembly Replace printer door assembly Defective motor drive assembly Defective roller Make sure cardiograph is loaded properly with approved thermal paper Paper moves then stops and Paper loaded incorrectly displays an error message Check paper supply Dirty sensor lens Clean sensor lens Defective sensor Replace sensor assembly Defective motor sensor cable assembly Replace motor sensor cable assembly Replace CPU assembly Replace printer door assembly Defective sensor circuit Defective roller Make sure cardiograph is loaded properly with approved thermal paper Paper stops in the wrong place Wrong type of paper after pressing Or Aute
30. The M1701A PageWriter XLs is the standard non interpretive cardiograph The M1702A PageWriter XLe is the basic non interpretive cardiograph Each cardiograph uses patient module which is a remote front end that acquires and digitizes data The M1700A and 1701 patient modules feature start button and an LCD display that indicates signal quality The M1702A patient module does not feature a display or start button The cardiograph main unit has the user controls the disk drive M1700A and M1701A only the printer and all the processing circuitry All models use the same enclosure except when the M1700A is equipped with preview display The models fit onto the 1705 cart designed for these cardiographs Figure 1 1 shows the M1700A with preview display mounted on the cart Introduction 1 1 1 2 Introduction Figure 1 1 M1700A PageWriter XLi Cardiograph with Preview Display The PageWriter XL family of cardiographs can print ECGs in Auto and Manual formats for different clinical tests or applications Both cardiographs print all traces with a continuous feed high resolution digital array printer This produces electrocardiograms on standard page lengths that require no cutting or mounting Records are clearly annotated with ECG data and patient information The M1700A also labels records with automatic ECG measurements and ECG interpretation for both adult and pediatric patients The M1700 and M1701A cardiographs us
31. To configure the printer for serial printing perform the following steps 1 With the printer on press the ON LINE key until the light is off 2 Press the MENU key on the printer to step through the settings until I O PARALLEL appears If I O SERIAL appears the printer is already set for serial printing 3 Press the key until I O SERIAL appears 4 Press the ENTER key on the printer asterisk will apear on the display I O SERIAL 5 Press the MENU key and the BAUDRATE setting will appear 6 Press the key until BAUDRATE 19200 appears 7 Press the ENTER key on the printer asterisk will appear on the display BAUDRATE 19200 8 Press the ON LINE key The printer is ready to use with your cardiograph Installation and Configuration 2 5 2 6 Configuring the Cardiograph to Print ECGs on the HP LaserJet After connecting the cables you must configure the cardiograph for printing on the HP LaserJet 1 Press until the following display appears Transmit Store Config CheckDisk Files 2 Press Config The main configuration menu will appear 3 Configuration Global ID Transmit Files Exit 3 Press Transmit and the Transmit Configuration menu appears in the display Configuration Transmit Receive AutoDial Exit 4 Press Transmit to configure any of four transmission sites The Configure Site menu will appear Configure Site 3 4 Exit N 5 Select a site number and the following displ
32. often in dusty or dirty environments TraceMaster ECG Management System users If you transfer ECGs to the TraceMaster System by disk clean the TraceMaster drive every six months unless the working environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments m Replace disks regularly The recommended replacement interval is every three months If the disks are used for more than 50 ECGs per day replace the disks more frequently For best results use only Hewlet Packard recommended disks HP part number M1700 89004 For more information contact your Hewlett Packard service representative 7 Washed out display Table 6 7 Preview Display and Logic M1700A Symptom Corrective Action Improper brightness or contrast adjustment or both All white screen backlights on Contrast or brightness or both No brightness adjust e No contrast adjust black screen blue screen misadjusted Interconnect cable between preview logic and display unplugged or defective Defective preview logic board Defective preview power supply board Defective LCD module Missing supply voltages to power supply and LCD module Defective brightness potentiometer or defective power supply board Defective contrast potentiometer or defective power supply board Contrast or brightness misadjusted Defective preview logic board Defective LCD module Defective
33. 25 51 Select Function Next Previous More Select Selects the patient ID number displayed in the message line An asterisk appears before the entry to indicate its selection If the number is already selected pressing this key de selects the number As you move through the list of stored ECGs you can select any number of ECGs except in the edit function which allows only one selection Function Starts the function for which you are selecting an ECG This key has one of the following function names Transmit appears only on the M1700A Delete m Analyze appears only on the M1700A m Edit allows only a single ECG selection m Print Next Steps forward through the list of stored ECGs Previous Steps backward through the list of stored ECGs More Displays the second part of the selection display menu shown in the next section Selection Display Menu Part 2 The second part of the selection display menu is similar to this one 123456 04 01 90 11 25 51AM Function 11 Function The function label appears in both menu parts for convenience You can initiate the function without toggling to the other part of the menu A11 Selects all stored ECGs Not available with Edit Find Selects a specific ECG you enter the number More Switches to the first part of the menu Operation 3 15 Recording an ECG Note Note Note 3 16 Operation v To record an Auto ECG 1 Press on the
34. 5 Remove the left and right clutch covers a Insert a small flat bladed screwdriver in the slot at the bottom rear of the clutch cover and gently pry up till the catch releases Removal and Replacement 7 15 b Tilt the clutch cover forward slightly to disengage the tabs at the front then lift it away This is easier if the display lays flat on the PageWriter pes 6 Remove the screws holding the ground straps on both sides 7 Remove the right clutch a Remove the mounting screws and washers b Slide the clutch off of the screen housing s right pivot arm The clutch fits tightly on the pivot arm and requires effort to remove it 8 Pull the screen housing s left pivot arm out of the left clutch and lay the screen face down on top of the cardiograph 9 Pry off the back cover of the screen housing a Use a small flat bladed screwdriver to disengage the three catches on the bottom of the screen housing as shown in Figure 7 12 Figure 7 12 Removing the Preview Screen Assembly b Pivot the cover up until the catches on the top of the screen housing release 10 Disconnect the ribbon cable from the power supply board The screen assembly is now free from the cardiograph 7 16 Removal and Replacement Replacing the Preview To replace the preview screen assembly reverse the appropriate e Screen Assembly removal procedure Note When reinstalling the ribbon cable from the display to the power
35. 69505 M 1700 61620 M 1700 69504 Keyboard label set Dutch Keyboard label set English Keyboard label set Finnish Keyboard label set French Keyboard label set Gerinan Keyboard label set Italian Keyboard label set Norwegian Keyboard label set Spanish Keyboard label set Swedish 27 Power panel assembly includes transformer 29 Preview logic replacement assembly w preview only Preview logic replacement cable assembly Foot repair kit Table 8 3 Main Assembly Parts List Serial Number Prefix Prior to 3208A continued Ref Description Part No No Replacement case asseinbly complete outer shell sheet metal M1700 69503 and plastic AC switch Power module Lower chassis Top sheet metal Cover Cover disp Front Front Lower right side Lower left side Disk support Battery shield Battery guide Foot Cup Retainer 3101 0402 9135 0457 M1700 07323 M 1700 07324 M 1700 47206 M 1700 47225 M1700 47207 1702 47207 M1700 47217 1700 47229 M 1700 47303 1700 47308 M 1700 47309 M 1700 47319 M 1700 47320 M1700 47321 Parts Lists 8 13 8 14 Parts Lists Table 8 4 Fastener List Description Transformer asseuibly to M3 8 flathead screw T10 0515 1102 rear panel CPU assembly and M3 8 screw w lockwasher 0515 0372 preview logic
36. 7 19 remove the top cover assembly continue as follows 6 If the cardiograph is equipped with a preview display remove the screw that secures the cable shield wire to the preview logic RFI shield Disconnect the cable that connects the preview screen to the preview logic board 7 Disconnect the four cables that connect the top cover assembly to the CPU assembly 8 Lift the top cover assembly free of the lower chassis and set it aside Reinstalling the Top reinstall the top cover assembly reverse the appropriate removal Cover Assembly procedure m UUOOD 0 The Printhead This section describes how to remove and replace the printhead Assembly assembly Removing the Printhead The procedure you will use depends on the serial number prefix of Assembly the unit you are servicing Make sure you use the correct procedure for your particular PageWriter PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix of 3208A or later use this procedure to remove the printhead assembly Caution Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and handling the printhead assembly remove the printhead Remove the printer door a Release the latch and pull the door out to the first stop b Compress and remove the plastic retainer clip at the end of the rear plastic rail
37. Battery door B Thumbscrews Note Figure 2 6 shows the M1700A other models similar 2 Install the battery on the battery holder Make sure the tab on the door fits into the slot on the battery refer to Figure 2 7 Installation and Configuration 2 11 Figure 2 7 Fitting the Battery Holder Tab Into the Battery Slot Battery slot 3 Gently slide the battery and holder into the battery compartment until completely seated 4 Finger tighten the thumbscrews on the battery holder Connect the power cord to the cardiograph then plug the cord into an AC outlet 6 Turn on the AC switch on the back of the cardiograph The green AC indicator on the front panel should light up 7 Press the switch to turn on the cardiograph The cardiograph will begin its power on sequence The 1700 and M1701A cardiographs will briefly display PageWriter XLi or PageWriter XLs in the keyboard display then display the code 6503 this code indicates that the software is not yet installed and there is no System disk in the disk drive At the same time all of the control panel indicators will light up including the red low battery indicator and the green charge indicators The M1702A cardiograph will display a line of asterisks for about two minutes as it loads software from its built in ROM During this time it may prompt for language and line frequency 8 Press again to place the cardiograph in Standby When
38. ErrorLog Prints out the stored error log To stop or exit Extended Self test you must press to place the cardiograph in Standby These are the tests available in Extended Self test m Patient module and cable CPU assembly m Printer Disk drive M1700A and M1701A only Preview display M1700A only m Keyboard display Modem and cable M1700A only m All Each test in this list is described in more detail in the discussions that follow 4 2 Performance Verification and Maintenance Note To begin running the tests you press Test The test or tests that you selected then run continuously until you stop the Extended Self test After each successful pass through the tests the number in the message Selected tests passed nnnn times increases by one To stop the Extended Self test you must place the cardiograph in Standby Patient Module and Cable Test This test looks for failures in the patient module and patient data cable and generates a test pattern in the patient module display If the patient module fails the test the message Patient module test failed appears on the keyboard display If the cable fails the test the message Patient module cable test failed appears patient module test does not test the patient electrodes or leadwires Test the patient electrodes and leadwires by recording an ECG from a patient or ECG simulator as described later in this section The M1702A patient module d
39. Figure 7 16 8 11 7 22 Removal and Replacement c Slide the door out of the rails and set it aside Remove the user interface assembly as described previously in this chapter Open the top cover as described previously in this chapter Remove the right side plastic cover Disconnect the two printer cables at J2 and J5 see Figure 7 20 for the connector locations Close the top cover but do not reinstall the screws You need to open the cover again when you install the new printhead Remove the printhead cover as shown in Figure 7 16 WMI ESL ACRES ACSONS UE E E SA ACEEA NA Removing the Printhead Cover and Printhead Remove the screws that attach the motor ground spring and printhead ground braids to the upper chassis Pull the leaf spring up and out of its slots in the well 10 Remove the two screws holding the ground straps to the upper chassis Carefully slide the printhead assembly up and out of the printer well Pull the two ribbon cables from the slots in the top cover Note v Replacing the Printhead Assembly Removing the Optical Paper Sensor Remove the optical paper sensor as follows 1 From the inside of the empty paper compartment insert a small flat bladed screwdriver into the square hole see Figure 7 16 on the surface of the plastic printhead housing Apply pressure using the screwdriver to compress the clip that holds the lens in
40. Initialization Flow Chart Note 4 The 1702 cardiograph loads software from ROM not disk Theory of Operation 5 3 0 5 4 2 Circuit Descriptions 5 4 Theory of Operation The major subassemblies for all cardiograph models are the patient module the CPU assembly which includes the power supply the keyboard and LCD display the printer and the disk drive M1700A and M1701A only The M1700A also has an optional display that the operator can use to preview the ECG The CPU assembly is the same for all cardiographs except that the M1700A CPU assembly has extra RAM to accommodate the ECG interpretation and analysis software M1701A and M1702A CPU Assemblies are identical except for the ROM The subassemblies including the CPU assembly and its major circuit groups are shown in Figure 5 2 POWER i PRINTER TRANSFORMER n amp PRINTER Printhead amp cpu assemsLy CONTROL Paper RECTIFIER Transport J15 A CONTROL BATTERY J14 ra E MODEM OR DIRECT CONNECT SERIAL COMM KEYBOARD amp LCD DISPLAY PATIENT MODULE EXPANSION PREVIEW DISPLAY BUS amp POWER SUPPLY M1700 01 Figure 5 2 Simplified System Block Diagram Note M1702A does not have a disk drive Theory of Operation 5 5 The Standard Patient Module Note 5 6 Theory of Operation v
41. Power cable not plugged in or defective or cardiograph AC off Modem not turned on Defective modem Defective CPU assembly Phone cable unplugged or defective Defective modem Defective CPU assembly See Errors earlier in this chapter See Errors earlier in this chapter Perform Extended Self test modem test Substitute normal telephone for modem and dial number Ensure that modem answers with high pitched tone Plug in to cardiograph if defective replace Plug in to cardiograph and turn on AC if defective replace Turn on modem If modem is turned on or if unit is a fax modem check for unplugged or defective power cable Replace modem Replace CPU assembly Plug in phone cable if defective replace Replace modem Replace CPU assembly Troubleshooting 6 21 Testing the Power Supply Warning 2 Caution 6 22 Troubleshooting Use this procedure to check the voltages produced by the power supply The cardiograph must be connected to AC power to test all the power supply voltages All the voltage measurements are taken with respect to ground Refer to Figure 6 3 for voltage test point locations When the cardiograph is connected to AC power there are dangerous voltages on the line module terminals even when the AC switch is off When the AC switch is on there are also dangerous voltages on the terminals of the mains transformer If you must have the AC power connected while
42. Set selector S1 refer to Figure 7 17 to the number or letter that corresponds to the resistance code on the printhead label 00 corresponds to position 0 09 corresponds to position 9 FF corresponds to position etc J2 J1 50044221122 1 g ES M1700 25 Figure 7 17 Printhead Resistance Selector 8 Close the top cover assembly 9 Replace the printhead cover 10 Install the user interface assembly and the keyboard 11 Run the Extended Self test printer test described in Chapter 4 PE 7 24 Removal and Replacement _ Preview Logic Board Removing the Preview Logic Board Caution Warning 2 This section describes how to remove and replace the preview logic board These procedures apply only to models equipped with the preview display option The procedure you will use depends on the serial number prefix of the unit you are servicing Make sure you use the correct procedure for your particular PageWriter PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix of 3208A or later use this procedure to remove the preview logic board Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and handling the preview logic board To remove the preview logic board Perform the following four steps sequentially to eliminate the chance of exposure to haz
43. You can set any combination of the available leads for routine usage See explanations following this table Units of Measure English 1bs ins Metric kg cm Used for height and weight entry Determines Patient ID units on the ECG Reasons Extend Measure None Severity only Choice Measure Interpret 24 55 55 MM DD YYYY DD MM YYYY YYYY MM DD MM DD YYYY MM DD YYYY MM DD YYYY MM DD YYYY XXX XXX XX XXX XXX XX A 8 5 x 11in A4 210 x 297 mm Yes No See Interpretation Parameters section following this table Print Interpretation Time format Time separator Date format Date separator Decimal format Selects between A 8 5x11 in and metric A4 210x297 mm Paper size Allows or suppresses printing of Auto ECGs A 02 XX and higher software only Auto Print No Yes AutoCopy See explanation following this table 1 This parameter appears only on the 1700 cardiograph 2 This parameter appears on A 03 XX software only 2 22 Installation and Configuration Table 2 3 Global Configuration Parameters continued Setting Choices Copies 1 5 Type number between 1 and 5 If AutoCopy is Yes selects number of automatic copies after original recording Loca
44. aV P LOOPS HORIZONTAL ORS l0mn sV Froatat Moritowtel Right sagittal EPt T LOOPS 4bon uV RIGHT SAGITTAL ORS 20wm aV FRONTAL QRS 20 90 62 596 HP 09045 LOC 06000 1790 Figure 0 1 VCG Report D 6 Vectorcardiography M1790A VCG Report Formats Formats The VCG formats correspond to the layout of the frontal horizontal and sagittal QRS loops and the angular scales used for the axes There are four different VCG report formats VCG1 VCG2 VCG3 and VCG4 Each report format shows a different relative position of QRS loops within the loop representation area and uses a different angular scale Table D 4 VCG Report Formats Sagittal Projection Angular Scale Right sagittal 0 to 360 Left sagittal 0 to 360 Right sagittal 180 to 180 Left sagittal 180 to 180 1Format conforms to the recommendations of the AHA The horizontal plane is always viewed from the head rather than the foot and the frontal plane is viewed from the chest and not the back But the sagittal plane is not standardized and can be viewed from either the left or the right side Therefore we support both the left and right sagittal projections in each of the two types of reports 11965871 29 LO No Dr 0 comptes orso ot ORS o AUTO 6 SCALAR ECG Stem s l0mm mV FRONTAL QRS 20 ae SIM VCGI 500 HPT 09045 L
45. and SAECG application installed and configured both software configurations can be stored on a single flexible disk This disk can then be used to re install the 02 or A 03 XX software and SAECG application together With the 03 software and VCG application installed and configured both software configurations can be stored on a single flexible disk This disk can then be used to re install the A 03 XX software and VCG application together Print When you press Print the cardiograph prints a copy of its configuration settings The message Printing cardiograph configuration appears on the display until the printout is complete then you return to the Configuration file jobs menu Installation and Configuration 3 Operation This chapter briefly summarizes the cardiograph s operation This information is intended for the service person and is not a substitute for the information in the operator s manuals Refer to one of these manuals for more comprehensive and detailed operating instructions PageWriter XLi Operating Guide PageWriter XLi Cardiograph User s Reference PageWriter XLi Cardiograph Physician s Guide PageWriter XLs User s Guide PageWriter XLe User s Guide Note Refer to the appendixes for information on using the SAECG 4 application the fax modem and the VCG application Refer to the end of this chapter for information on using Preview Plus Operation 3 1 Figur
46. and remove the plastic retainer clip at the end of the rear plastic rail c Slide the door out of the rails and set it aside 3 Lift off the printhead cover as shown in Figure 7 5 As you lift off the cover note how the tabs on the printhead cover interlock with the other plastic parts of the top cover 7 A H e Figure 7 5 Removing the Printhead Cover Removal and Replacement 7 7 4 Disconnect the motor and sensor connectors 9 Remove the two screws see Figure 7 6 that attach the plastic gear housing to the cardiograph s PRINTER DRIVE CREWS Figure 7 6 Printer Drive and Keyboard Ground Plane Screw Locations 6 Carefully pry up the plastic gear housing to free it from the alignment pins on the cardiograph If the gears fall off their shafts refer to the first step in the printer drive replacement procedure that follows 7 8 Removal and Replacement PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use this procedure to remove the printer drive assembly To remove the printer drive assembly 1 Remove the keyboard and the user interface assembly as described previously in this chapter 2 Remove the printer door a Release the latch and pull the door out to the first stop b Compress and remove the plastic retainer clip at the end of the r
47. assembly to T10 chassis top case to rear M3 25 T10 0515 0446 panel disk drive to chassis CPU shield through CPU assembly to chassis All plastic parts to 4 24 x 0 250 self tapping screw 0624 0730 chassis keyboard to T10 front bezel LCD to front bezel Printer gear assembly to M3 8 screw T10 0515 1753 chassis feet to chassis M4 20 screw T15 0515 0686 User interface to chassis 2 10 flathead F10 0515 1103 M3 12 screw T10 0515 0664 Preview logic shield to chassis serial nutuber prefixes prior to 3208A only 1700 44 Figure 8 4 Printer Assembly Diagram Note The printer door assembly does not include the door label To get the label order the label set for the language needed Parts Lists 8 15 8 16 Parts Lists Table 8 5 Printer Parts List Ref Description Part No No Printer door English Printer door Metric Printer door snap Printer well assembly Paper spacer inetric Leaf spring Printhead assembly Printhead Printhead ground pin Printer logic cable Printer power cable Printer sensor assembly Printer sensor lens Ciear motor assembly Printer motor cable M1700 67106 M1700 67107 M1700 47104 M1700 47220 M1700 47316 M 1700 27406 M1700 67402 0960 0793 M1700 27910 M 1700 61611 M 1700 61612 M1700 61628 M1700 43301 M 1700 67400 M1700 61613 Figure 8 5 Previe
48. cables and wires as they were originally Removal and Replacement 7 1 Tool Requirements Note The Battery Removing the Battery Caution 7 2 Removal and Replacement These are the tools you need to remove and replace the cardiograph s subassemblies 7 32 inch nut driver m Small flat bladed screwdriver m T10 and T15 Torx drivers or Torx driver kit HP part number 5181 1933 Long nose pliers recommended but not necessary The directions in this chapter generally assume you are facing the front of the cardiograph as you work Thus for example the left side of the cardiograph means the left side as you face the front of the unit This section explains how to remove and replace the battery These procedures apply to all units To remove the battery To prevent the loss of data including the configuration and software stored in system memory the cardiograph must be connected to AC with the AC switch turned on when the battery is removed If you are servicing an M1700A or M1701A PageWriter store the configured software on disk as described in Configuration Files in Chapter 2 If you are servicing an M1702A PageWriter print a copy of the cardiograph configuration see Chapter 2 Doing this will help you reconfigure the PageWriter when power is reapplied 1 Connect the power cord to the cardiograph then plug the cord into an AC outlet 2 Turn on the AC switch on the back of the
49. cardiograph operations ID Allows you to choose which patient identification entries are requested before recording an ECG Transmit Allows you to set the communication parameters for transmitting and receiving ECGs This key appears only on the M1700A because only the M1700A has ECG transmission capability Files Allows you to store a configured copy of the cardiograph software to disk or to print the configuration settings Exit Returns you to the previous menu When you make extensive changes to the system configuration it is recommended that you print the configuration and save it on disk the procedure for storing the system configuration is described under Configuration Files later in this chapter If the software is lost due to loss of battery power or if different configurations are used regularly on the same cardiograph restoring a custom configuration is much quicker and easier from disk than by manually entering the changes Press Menu until the following display appears Configuration Global ID Print Exit Global Allows you to set the operating parameters of the cardiograph The Global configuration affects all cardiograph operations ID Allows you to choose which patient identification entries are requested before recording an ECG Print Prints the cardiograph configuration Exit Returns to the main menu You cannot save the M1702A configuration You should print the M1702 s configuration so that y
50. charge the battery for 24 hours after you install it in the cardiograph The battery will charge as long as the cardiograph is connected to AC and the AC switch is on 4 verify battery capacity turn on the unit while the cardiograph is connected to AC power and the switch is on It is important that the cardiograph is connected to AC power when verifying battery capacity Note 7 4 Removal and Replacement M M The Keyboard and the User Interface Assembly The Keyboard The User Interface Assembly Caution This section explains how to remove and replace the keyboard and the user interface assembly These procedures apply to all units The keyboard is mounted on the front of the cardiograph in the user interface assembly To remove the keyboard carefully insert a flat bladed screwdriver into the slots and pry as shown in Figure 7 3 To reinstall the keyboard snap it back in place Figure 7 3 Removing the Keyboard Pry slots user interface assembly consists of the main bezel the keyboard PCB and the front panel display Removing the User Interface Assembly Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when handling the interface assembly To remove the user interface assembly 1 Set the cardiograph to Standby 2 Remove the keyboard Removal and Replacement 7 5
51. converter 5 1 5 6 1 ock diagram 5 7 e 1 3 Index 11 able test 4 3 alibration voltage 5 6 B 13 B 2 display contrast knob 3 3 electrical isolation 5 6 B 13 lead status 5 6 5 6 B 13 emote start button lt gt 3 3 SAECG B 13 setting up D 2 1 patient module cable patient module voltage VFE regulator 5 21 patient simulator 4 ause length 2 2 PCLK signal A 9 PDOUT signal A 3 erformance verification 4 1 hecklist 4 1 4 14 simulation 4 8 4 15 Extended Self test 4 2 4 14 B 11 C 5 isual inspection 4 1 4 14 POWERGND A 1 510 ower on problems 6 7 power on application selecting 2 24 power on sequence 5 2 5 10 5 to backup switchover circuit 5 21 attery to AC switchover circuit 5 20 lock diagram 5 1 ow battery disconnect circuit 5 2 printer switch circuit 5 20 system ready circuit 5 19 tests 6 22 oltage reference circuit 5 2 Index 12 preventive maintenance 4 9 13 cleaning 4 10 preview display 5 24 27 assembly block diagram 5 24 static RAM 5 28 6 7 removing 7 25 7 27 preview screen 5 2 5 27 5 27 7 15 fluorescent backlighting 5 27 removing 7 12 replacing 7 17 revious C 3 analog t
52. disabled and the 5 supply is connected to VBACK The low battery disconnect circuit will disconnect the battery from the backup supply when the battery is approximately 80 discharged This will occur only when the cardiograph is in Standby and is disconnected from AC power The disconnect circuit is disabled when UNITON is high This avoids tripping the disconnect circuit when battery voltage dips momentarily due to load When this circuit disconnects the battery power to DRAM is lost resulting in the loss of system software and configuration data The software and configuration data must be reloaded from disk before the cardiograph can be used At power on this circuit connects the 5 V supply to VBACK as soon as 5 V comes into regulation 5READY goes high At power off this circuit disconnects 5 V from VBACK This circuit provides power VFE to the patient module The regulator is enabled when UNITOFF from the DRAM gate array goes low and is disabled when UNITOFF goes high Output voltage is between 10 0 and 11 5 volts at 0 to 220 mA load In the disabled state output voltage is about 1 3 volts while running off of AC and 0 volts while running off of the battery Theory of Operation 5 21 The Keyboard and The keyboard and the keyboard display constitute the front panel Keyboard Display controls and indicators They share a connector that plugs into the CPU assembly at J1 refer back to Figure 5 2 Pin as
53. from the drive Goes low when the disk is removed goes high when a disk is reloaded and a step pulse is received from the system DRVOSEL Drive select signals DRVISEL DRV2SEL DRV3SEL INDEX A once per revolution pulse that indicates the beginning of a track on the disk MOTOR ON Controls the operation of the drive motor when a disk is loaded READDATA Data read from the disk and sent to the system SIDEISEL Selects the side of the disk to be used STEP A pulse signal that moves the heads in the direction specified by DIRECTION TRKOO Indicates to the system that the heads are positioned at the outermost track track 00 WRITEDATA Data from the system that is written on the disk A 10 Connector Pin Assignments WRITEGATE Enables data writing on the disk WRITEPRO Indicates to the system that the disk is write TECT protected M Preview Display These tables list the pin assignments for the connectors on the Connectors preview display circuit boards J2 on the preview display logic board connects to the cardiograph s system expansion connector J12 Its pin assignments are listed in Table A 3 The preview display is an option available only on the M1700A cardiograph Table A 11 Preview Display Logic Board J1 to Preview Display Power Supply Board J2 Signal Pin Signal VIN n UDO 3 FP slim sip 20 GROUND
54. front panel Your cardiograph may be configured to automatically request patient ID each time you start an ECG To override the request for patient ID press again m If you entered the current patient s ID before you pushed the key the ECG will be recorded without further prompts If you have not recorded an ECG since turning on the cardiograph the message No ID entered Continue will appear Press Yes to record the ECG without ID Press No to start entering patient ID m If you have recorded an ECG since the cardiograph was turned on the question Continue using ID appears Press Yes if you have entered a patient identification number and want to take more ECGs from the same patient Press No if you are recording an ECG from another patient The status messages Acquiring a signal quality message M1700A only and Printing Auto Report appear If you have not yet entered the patient ID yet and AutoStore has been turned on during configuration the message ID required to store Store ECG appears Pressing Yes takes you through ID entry before storing the ECG pressing No aborts the storage ECG interpretation is a feature of the M1700A only and depending on the configuration electronic interpretive information may be prevented from appearing on the printed copy Refer to the configuration information in Chapter 2 see Initial Copy and Print Interpretation To record a Manual ECG press on the front p
55. goes high as soon as 5 volts is within regulation 5READY enables the printer switch and preview display and disables the backup supply After about 100 ms SYSRDY goes high This delay allows the VBACK supply to equalize voltage with the 5 volt supply When the key is pressed to place the cardiograph in Standby the system software enters the power off sequence described earlier in this chapter The DRAM gate array asserts the SHUTOFF signal which causes 5READY and SYSRDY to go low When 5READY goes low it disconnects the printer switch and enables the backup supply which provides power to the DRAM After 30 to 60 ms the UNITON signal goes low and turns off the 5 regulator As long as the supply remains within tolerance the 5READY and SYSRDY signals remain high When the 5 volt supply exceeds the tolerance in either direction 5READY goes low Theory of Operation 5 19 Printer Switch Battery Switch ACON Detector 5 20 Theory of Operation This block consists of two separate circuits the printer switch and the voltage reference The printer switch provides battery power VBAT to the printhead and printer motor The signal name for the switched power is VPRINT The switch which consists of three power FETs closes when 5READY goes high A voltage divider scales down VPRINT to produce VBATMEAS The print circuitry uses VBATMEAS to update the front panel battery level indicator to initiate low battery shutdown if n
56. installed Doing so will damage the drum and the line module assembly 4 Rotate the drum so that the correct voltage will appear in the window when the line module door is closed then reinstall the drum Table 2 1 shows the correct settings for each nominal line voltage Table 2 1 Line Voltage Settings Voltage Setting 5 Pull out the fuse holders and check that the line fuses are the correct rating for the selected voltage see Table 2 2 If the fuses are correct reinstall the fuse holders and proceed to the next step If the fuses are incorrect proceed to the next procedure Changing the Line Fuses 6 Close the line module door Check again that the correct voltage setting for your area appears in the window Table 2 2 Line Fuse Ratings for Voltage Settings Voltage Settings Line Fuse Required 100 120 2 5 A 250 V 3AG style time delay fuse HP part number 2110 0015 220 240 1 6 A 250 V 5 x 20 mm time delay fuse HP part number 2110 0931 Installation and Configuration 2 9 2 10 Changing the Line cardiograph uses two line fuses Table 2 2 lists the fuse rating Fuses requirements for the line voltages The correct fuse must be installed in the cardiograph before you turn it on Fuse rating requirements are also printed on the product rating label on the back of the cardiograph 1 2 3 Installation and Configuration Unplug the power cord from the line module O
57. interval thereafter Press when you want to stop recording ECGs Lets you monitor a patient s ECG continuously on the preview screen even when printing an ECG To turn on the Continuous Preview application press ContPrev The message Continuous Preview On appears Press Yes To turn off Continuous Preview press ContPrev again When the message Continuous Preview On appears press No Prints information six seconds after the PageWriter receives it This allows you to capture waveform information currently displayed on the preview screen To set your cardiograph for recording a delayed Manual ECG press Delayed The message 6 Second Delayed Manual appears Press Yes and the cardiograph will begin to save ECG information When you see an ECG sample that you wish to print press Manual Press to stop the printing To return to non delayed ECG mode press Delayed again When the message 6 Second Delay Manual appears press No al can also configure the PageWriter to use Preview PLUS as its Power On application See Power On Application in Chapter 2 for more information 3 18 Operation 4 Performance Verification and Maintenance Introduction This chapter describes how you verify the cardiograph s performance explains preventive maintenance presents patient safety information and provides a performance verification checklist Performance Verification Visual Inspection Thre
58. of 32 kilobytes of static RAM used to store printer data and the printer look up table data The look up table data is used to compensate the motor drive signals and the printer enable pulses for variations in the operating environment The look up table data also includes the motor settings and the motor ramp up profile Motor Driver The phase signals from the printer gate array enable the motor driver circuit which switches current through the stepper motor in the paper transport 5 22 Theory of Operation Analog to Digital Thermal Printhead LATCHED ADDRESS BUFFERED DATA SELECT READ STROBE WRITE STROBE INTERRUPT This is an 8 bit parallel A D converter used to measure printhead temperature battery voltage and motor supply voltage thermal printhead is a line of 1728 printing elements Each printing element is a resistive heater Heat from these elements blackens the thermoreactive paper creating an image 1728 bit shift register on the printhead contains the dot data for the print line Data is serially loaded into the shift register then latched so that data for the next line may be shifted into the head while the present line prints A strobe signal enables printing The pulse width of the strobe is adjusted to compensate for different recording speeds and variations in supply voltage average heater resistance and temperature which is sensed by a thermistor on the pri
59. oo 6 oa 99 da da dn 94 oo 66 so pa ma A 44 sa os 299292399339399985229228528540 4 11 24 30 11 24 35 11 25 49 11 28 07 11 28 13 11 29 47 11 30 38 12 42 01 12 43 18 12 45 30 14 37 16 14 37 40 14 38 34 Status 8200000 8000005 6606 002 9006 802 8006 002 0006 002 0000000 8000005 0000005 9000005 0000005 8000005 0000011 0000000 8000000 8000000 8000005 0009005 6000005 0000000 9000000 6000005 0000005 0000005 0000005 0000005 0000005 0000009 0000000 0000005 8000005 8000005 0000000 8000000 9000000 0000000 0000005 8000000 0000000 0000000 Errors Error 05007 05007 05007 05007 05007 LOC 88888 8888 94 81 1998 82 47 89 Date 04 01 1990 04 01 1990 04 01 1990 04 01 1990 04 01 1990 Time Status 14 39 24 0000008 14 39 33 0000000 14 40 42 0000000 14 40 57 0000000 14 39 24 0000000 HP 001 Figure 6 1 Sample Error Log Printout The following list describes the errors that can appear in the error log Error 1499 Description This error occurs when the software detects an error that cannot be corrected Set the cardiograph to Standby then back to On and check if the error repeats If the error repeats use Extended Self test to help locate the failure Extended Self test 1s explained in Chapter 4 If Extended Self test does not locate the problem print out the error log then reload
60. or has a system failure or if you want to load upgraded or custom configured software The software for the M1702A is stored in ROM and loaded into memory automatically when the cardiograph is turned on for the first time or after the battery has been replaced This process takes about two minutes During this time you will be prompted for language and line frequency The cardiograph uses continuous feed thermal paper HP part number M1707A A size or M1709A A4 size To load the paper 1 Release the printer door latch on the left side of the cardiograph and slide the printer door to the left 2 Remove the paper from its packaging but do not remove or discard the cardboard backing 3 Slide the paper stack cardboard down into compartment The paper should feed grid side up over the top panel of the printer door 4 Pull the free end of the paper back to the far end latch end of the top panel see Figure 2 8 Slide the printer door back into place making sure that it latches 6 Press to advance the paper to the beginning of the next page Installation and Configuration gt Figure 2 8 Loading the Paper Paper Door Latch Paper Sensing Hole Paper Cardboard Backing Key Installation and Configuration 2 15 2 16 Setting the Date and Note Time main menu shown here allows you to set the date and the time Auto 3x4 3R I II III Report Format Leads 04 01 199
61. parameter in the Global list appears Table 2 3 lists each Global parameter and its setting choices The factory default settings are shown in boldface type There are explanations following the table for those parameters that cannot be adequately explained in the table s Comments column Table 2 3 Global Configuration Parameters Parameter Choices Initial Interpretation Reasons See Interpretation Parameters section None following this table Measure Interpret Severity only Copy Interpretation Reasons See explanations following this table Extend Measure None Severity only Choice Measure Interpret AutoStore Yes Determines whether an Auto ECG is No automatically stored without operator intervention Patient ID required Appears only if AutoStore is No Determines whether the cardiograph will require patient ID information before recording an Auto ECG If AutoStore is Yes this parameter is Yes 1 This parameter appears only on the M1700A cardiograph 2 This parameter appears on A 03 XX software only 3 This parameter does not appear on the M1702A cardiograph 2 20 installation and Configuration Table 2 3 Global Configuration Parameters continued Setting Choices Auto Frequency Response 15 150 Hz W Baseline Wander filter See 05 150 Hz PageWriter XLi Physician s Guide for 5 150 Hz W more information 15 40 Hz 5 40 Hz W 05 100 Hz 15 100 Hz 5 100 Hz W 05 4
62. place and lift the lens out To remove the sensor on some units with a serial number perfix of 3023A remove the printer from the top cover to gain access to the sensor Use this procedure to replace the printhead assembly This procedure applies to all units To replace the printhead 1 Unpack the new printhead Locate the manufacturer s label behind the ESD brush fibers Note the resistance code printed in the upper left quadrant of the manufacturer s label You need this code later in this procedure when you set the printhead resistance selector on the CPU assembly The code is a number that corresponds to a range of printhead resistance as listed in the following table Table 7 1 Printhead Resistance Codes Code Resistance Code Resistance 535 550 Q 631 640 Q 551 565 641 650 566 580 651 660 581 590 661 670 591 600 671 680 601 610 681 695 611 620 696 710 621 630 711 725 Feed the power and data cables and the ground wire on newer units into the cardiograph assembly as you lower the printhead into position Slide the printhead down into the printer well On PageWriters having a serial number prefix prior to 3208A feed the ground braids to the top chassis and fasten Push the leaf spring into its slots in the well Open the top cover assembly Connect the power and data cables and the ground wire to the appropriate connectors on the CPU assembly Removal and Replacement 7 23 7
63. present Battery charger is defective Replace CPU assembly Battery switch is defective Check for VIN when the key is pressed Replace CPU assembly if VIN 16 not present Troubleshooting 6 9 Table 6 2 Power Supply and Battery continued Symptom Corrective Action Cardiograph doesn t run on Voltage selector switch set to wrong Set switch to correct voltage AC but runs on battery voltage AC fuse is blown ACON connector J8 not plugged in Replace AC fuse Plug in ACON connector Check for VMAIN and replace appropriate assembly to restore VMAIN Check for VMAIN and VIN If VIN is not present replace CPU assembly Check for VMAIN If not present replace CPU assembly Rectifier assembly transformer AC switch power line module or power cord defective VIN fuse F1 is blown Input protection transorb is defective Cardiograph won t power up User interface cable is defective Replace the user interface cable on or battery Replace the user interface assembly Replace CPU assembly Replace CPU assembly Keyboard circuit board is defective VBACK regulator is defective 5 volt regulator is defective With unit plugged into AC power turn on unit and observe battery level indicator If all green lights are on battery is fully charged If some green lights are not on battery needs further chargin
64. the display as shown below appears Custom 3 lead group I aVF V2 Enter Choose Tab Previous Exit Press Choose to change the lead from I Use Tab to move to the next lead field In this case the next lead field is aVF Press Choose in each field to change the lead setting Press Enter to save the selections AutoCopy When AutoCopy is set to Yes the cardiograph automatically prints one or more copies depending on Copies parameter setting of the Auto ECG after the original is recorded When AutoCopy is set to No you must press to receive an additional printed copy Installation and Configuration 2 25 2 26 Caution ECG Management Parameters These parameters trigger processing protocols on the ECG management system and provide information for ECG tracking These parameters include Location code user defined numeric code limited to five digits The first three digits represent the institution and the last two characters represent the department It can be used to identify the origin of the ECG such as ER ICU CCU or the department number Cart ID user defined code limited to four digits Identifies the cardiograph to the ECG management system Institution Identifies the institution such as Sharon General Name Hospital Limited to 40 characters Confirmation label that appears on ECGs Can be the default label see table or user defined such as MD signature o o
65. the Direct Customer Order Center toll free at 1 800 227 8164 In the United States you can order medical supplies for the cardiograph by calling toll free 1 800 225 0230 a 7 Calling for Assistance United States of America Canada Here are the numbers you can use to call Hewlett Packard Service for technical assistance Tel 1 800 548 8833 Eastern Region rel 1 800 361 9790 Central and Tel 1 800 268 1221 Western Region Refer any questions or comments regarding these instruments to the nearest Sales Service Office or to one of Hewlett Packard s Service Dispatch Centers Always identify tlie instrument by model number and serial number in all correspondence Hewlett Packard sales and service offices are listed at tlie end of this manual Parts Lists 8 1 8 2 Parts Lists Note Note Figure 8 1 Patient Module Diagram The M1702A patient inodule does not liave a display or a start button All references to mean that the color code conforms to s recommendations of the American Heart Association All references to IEC mean that the color code couforms to International Electrotechnical Commission Standards Refer to Table 1 8 for your geographical location Table 8 1 Patient Module Parts List Patient module AHA M1700A amp M1701A M1700 69501 Patient module IEC M1700A amp M1701A M1700 69502 Patient module 1702 M1702 69501 Patient module
66. volts VCC and GROUND leave the preview logic board and connect to the preview display power supply board The preview display power supply board shown in Figure 5 14 provides three sources of power to the LCD module VCC 5 V DC VLCD 6 to 23 5 V DC VCFL about 400 V RMS 30 kHz The upper and lower screen data signals UD and LD and the sync signals LP FP and SCP pass unaffected through this board to the LCD module VCC which is obtained from the main system 5V power supply provides basic power to the LCD and its associated driver ICs VLCD controls the LCD contrast the optical characteristic of the LCD and VCFL controls the LCD brightness the intensity of the cold cathode fluorescent backlighting SWITCHING REGULATOR OUTPUT SWITCH VL VLCDEN VCFL SUPPLY SWITCHING INVERTER REGULATOR Figure 5 14 Preview Display Power Supply Block Diagram VLCD Supply The VLCD contrast supply is a buck boost type DC DC converter that derives VLCD from VIN The contrast potentiometer controls VLCD voltage level The series transistor in the output is a switch that is controlled by the VLCDEN signal It prevents application of VLCD to the LCD o module before VCC is stable at power on and switches off VLCD prior to VCC at power off This prevents damage to the LCD driver ICs The VLCDEN signal may be controlled by the CPU software providing a software controlled means of blanking the LCD V
67. write MIOn CPU memory IO control signal 1 memory cycle 0 1 0 cycle A 8 Connector Pin Assignments nADS nBHE nBLE nLOCK nPVENd nRD nRDY nWAIT nWEH nWEL OBITI PCLK TURBO VBACK7 VIN WRnh CPU address strobe active low CPU byte high enable strobe CPU byte low enable strobe CPU lock active low Preview enable Asserted low during select of preview I O or memory Read enable signal for EPROM Ready Derived from wait state generator Terminates current bus cycle Wait states are forced into the bus cycle as long as nWAIT is asserted High byte write enable Low byte write enable General purpose output bit Phase synchronized reference signal that indicates the CPU bus cycle phase 0 phase 1 1 phase 2 Changes the speed of the system clock 1 32 MHz 0 8 MHz Backup 5 volts for DRAM Rectified AC ranges from 15 to 31 volts depending on line voltage and load Write Read CPU control bus signal Distinguishes write cycles from read cycles Table A 9 Disk Power Connector J14 GROUND 4 NC Connector Pin Assignments A 9 Table A 10 Disk Drive Logic Connector J15 Signa Pin Sigal INDEX I7 GROUND 34 DISKCHANGE E e zZ Q Pin 16 8 Eu Signal Definition DIRECTION Determines the direction of the read write head movement DISKCHANGE Indicates to the system that the disk has been removed
68. 0 02 23 34 The date format date separators time format and time separators are global configuration parameters Changing the global configuration is explained later in this chapter To set the date press the softkey directly below the date The date change display appears Date 04 01 1990 MM DD YYYY Enter Clear Exit set the time press the softkey below the time The time change display appears Time 02 23 34 PM HH MM SS Enter AM PM Clear Exit Enter Stores an entry after checking its validity then returns you to the main menu AM PM Appears only for the time change display and only when the cardiograph is configured for the AM PM time format Clear Clears erroneous entries and returns the currently stored date or time to the display Exit Same as Enter When the change display appears the cursor highlights the first leftmost digit of the date or time To change the date or time simply type in the new numbers For example to change the time to 03 45 12 PM simply type the digits 034512 The system automatically inserts the separators in the proper places To change a single digit use the left and right arrow keys 4 and gt to move the cursor over the digit you want to change Then type the new digit When you are satisfied the new date or time is correct press Enter or Exit to store it as the cardiograph s current date or time Installation and Configuration Configuration Y No
69. 0 32 knurled for fax modem 0370 3219 Fax modem Netherlands 1756 89504 Fax modem United Kingdom M1756 89505 Fax modem United States Canada 1756 89501 Fax modem Germany M1756 89507 Fax modem Australia M1756 89508 Fax modem bracket M1756 07300 Standard fax modem cable M1756 61600 8 1756 Direct Digital ECG Fax a 0000 Figure C 1 Cabling for FAX Modem Transmission Only Table C 3 Fax Modem Cable Parts List Ref Part No No FAX Modem Cable M 1756 61600 Phone Line Cable See table 8 11 M1756A Direct Digital ECG Fax C 9 Figure C 2 Cabling for FAX Modem and Direct Connect Quick Connect Transmission Table C 4 Fax Modem and Quick Connect Cable Parts List No FAX Quick Connect Cable M1756 61601 3 Phone Line Cable See table 8 11 3 Quick Connect Cable M1706 61636 The M1706 61636 cable functions as a direct connect cable when 59 separated from M1756 61601 Note 10 1756 Direct Digital ECG Fax Vectorcardiography M1790A Introduction Note Note v Y The VCG application requires the A 03 XX software The VCG application cannot reside on the cardiograph with the SAECG application The M1790A VCG system adds vector loops reporting capability to the PageWriter XLi cardiograph The Vectorcardiogram VCG is a recording of the changes in spatial orientation direction and magnitude of the electrical activity of the
70. 0 Hz 9 100 Hz W 05 100 Hz 5 150 Hz W 05 150 Hz 9 40 Hz W Off On 60 Hz 50 Hz BaselineWander amp Artifact BaselineWander Artifact W Baseline Wander filter See PageWriter XLi Physictan s Guide for more information Manual Frequency Response Line Power Filter A software filter that removes power line AC interference No default selected during software installation Line Power Frequency Determines which filter combinations are active when key is on Filter Key 25 mm sec 50 mm sec Default Auto ECG print speed can be overridden from the front panel Default format for Auto ECGs Determines row amp column notation for ECG Rhythm strip leads also selected here R means rhythm strip Default format for Manual ECGs Selects number of leads on Manual ECG Auto print speed Default Auto 3x4 3x4 IRI 3x4 3R I II III 6x2 3 6 12 Default Manual Installation and Configuration 2 21 Table 2 3 Global Configuration Parameters continued Setting Choices Leads Selects between two lead standards Affects lead labels on report You can set any combination of the available leads for routine usage See explanations following this table Custom 3 lead group Custom Manual 6 II aVF V V2 V4 V6
71. 04 M1700 60106 M1700 68106 M1700 67113 M 1700 67202 M 1700 47201 M1700 47310 M 1700 67204 M1700 64738 M 1700 64708 M 1700 64718 M1700 64728 1700 64758 M1700 64748 M1700 64768 M1721A M1700 47309 M1700 47308 M1700 67108 M1700 47204 M1700 47205 M1700 47206 M1700 47225 M1700 47207 M1702 47207 M1700 47217 M1700 47229 M1700 27903 M1700 61608 0950 2075 Table 8 3 Main Assembly Parts List Serial Number Prefix Prior to 3208 continued Ref Description Part No No 15 Disk logic cable M1700A and M1701A M1700 61609 Disk power cable M1700A and M1701A M1700 61610 Keyboard cable M1700 61614 2110 0827 M1700 89504 2110 0686 2110 0687 2110 0015 2110 0931 3101 0402 Fuse battery 8 tine delay Line module Fuse holder 2 5 A 100 120 V Fuse holder 1 5 A 220 240 V Line module fuse 2 5 A 100 120 V Line module fuse 1 6 A 220 240 V AC switch ROM 1700 and M1701A not shown M1700 17950 ROM M1702A not shown M1702 17950 Software set version A0 01 01 1700 M1700 17700 Software set version 0 01 01 MITOIA M1701 17700 Software set SAIZCG version A 01 00 MI754A M1754 17700 Software set version 02 00 M1700 17710 Software set version 03 00 1755 M 1700 17720 Software set version VCG 01 00 1790 M1790 17700 3 5in high density replacement disks box of 10 M 1700 89004 cord 8120 1351 Power cord Australia 8120 4475
72. 3 00 1755 Software set VCG version 01 00 M1790A Software set delete analysis preview option D06 3 5in high density replacement disks box of 10 Power cord UK Power cord Australia Power cord Europe Power cord US Power cord Denmark Power cord Switzerland Power cord South Africa AC transformer assembly Chassis lower sheet metal only Chassis upper sheet metal only 0380 2087 M1700 61608 0950 2075 M1700 61609 1700 61610 1700 61614 2110 0827 M1700 89504 9135 0248 2110 0686 2110 0687 2110 0015 2110 0931 3101 0402 M1700 17950 M1702 17950 M1700 17951 M1700 17700 M1701 17700 M1754 17700 M1700 17710 M1700 17720 M1790 17700 M1700 17711 M1700 89004 8120 1351 8120 4475 8120 1692 8120 5213 8120 2956 8120 2104 8120 4211 1700 67114 M1700 07323 M1700 07324 Table 8 2 Main Assembly Parts List Serial Number Prefix 3208A or Later continued Ref Description Part No No Label for key panel name set M1700A MITOIA and M1700 84574 1702 Label for key panel Dutch 1700 1701 M1702A 1700 84638 Label for key panel English M1700A M1701A and M1702A M1700 84608 Label for key panel Finnish M1700A M1701A and M1700 84688 M1702A Label for key panel French M1700A M1701A and M1702A M1700 84618 Label for key panel German M1700A MI701A and M1700 84628 1702 Label for key panel Italian 1700 1701 and 1702 1
73. 700 84658 Label for key panel Norwegian 1700 MI7TOIA and M1700 84678 1702 Lahel for key panel Spanish M1700A M1701A and M1700 84648 M1702A Label for key panel Swedish 1700 MI701A and 1700 84668 M1702A Keyboard label set Dutch M 1700 84738 Keyboard label set English M1700 84708 Keyboard label set Finnish M1700 84788 Keyboard label set French 1700 84718 Keyboard label set German M 1700 84728 Keyboard label set Italian M 1700 84758 Keyboard label set Norwegian M 1700 84778 Keyboard label set Spanish M1700 84748 Keyboard label set Swedish 1700 84768 Preview logic PCA MITUUA w preview only M1700 69505 Preview standoff M 1700 27408 Preview logic shield 1700 07329 Terminal tab 0360 1613 CPU shield M1700 07320 Foot M1700 47319 Cup M1700 47320 Retainer M1700 47321 Preview logic replacement cable assembly 1700 61620 Foot repair kit 1700 69504 Parts Lists 8 7 Table 8 2 Main Assembly Parts List Serial Number Prefix 3208A or Later continued Ref Description Part No No Replacement case asseinbly M1700 69503 complete outer shell sheet metal and plastic AC switch 3101 0402 Power module 9135 0457 Lower chassis M1700 07323 sheet metal M1700 07324 Cover 1700 47206 Cover disp M1700 47225 Front M1700 47207 Front 1702 47207 Lower right side M 1700 47217 Lower left side M 1700 47229 Disk support M 1700 47303 Battery shield M 1700 47308 Battery guid
74. 88 K01 Quick Connect cables for Hayes modem M1706 61636 and M1706 61637 Country option must also be ordered Options A01 Upgrade XLe to XLs Includes M1754 17700 01 00 SAECG software set SAECG patient module and operator s guide Country option must also be ordered The 1754 option requires the M1755A A 02 XX A 03 0X or higher software The 1754 option will not function with A 03 1X software Documentation Options OBP SAECG User Training Video VHS NTSC M1754 89504 0BQ SAECG User Training Video VHS PAL M1754 89505 Upgrade to version A 03 XX operating software Includes two system disks and two blank disks Specify country option This software revision is the standard software that ships with all XLi cardiographs as of late 1992 M1756A PageWriter XLi Direct Digital ECG Fax Modems Note M1788A Extra Patient Module Includes M1756 07300 fax modem bracket and M1756 61600 fax modem cable The 1 56 option requires the M1755A A 02 XX or higher software ECG Fax capability is also available using the M1706B modems with A 03 X3 or higher software Options ABA US Canada fax modem Worldport 2400 M1756 89501 ABC US Canada fax modem Worldport 2400 M1756 89501 ABD Germany fax modem Worldport 1200 M1756 89507 ABF France fax modem Worldport 2400 M1756 89503 ABG Australia fax modem Worldport 2400 M1756 89508 ABH Netherlands fax modem World
75. A and M1701A only Preview display M1700A only m Keyboard display m Modem and cable M1700A only m All The patient module and cable test is described in more detail in the discussions that follow Patient Module and Cable Test This test looks for failures in the patient module and patient data cable and generates a test pattern in the patient module display If the patient module fails the test the message Patient module test failed appears on the keyboard display If the cable fails the test the message Patient module cable test failed appears The patient module test does not test the patient electrodes or leadwires Test the patient electrodes and leadwires recording an ECG from a patient or ECG simulator as described later in this section Note The test patterns displayed on the patient module consist of in this order m all white cells m checkerboard cells all black cells inverse checkerboard cells m 80 characters displayed in 5 successive groups of 16 m all white cells You must observe the patient module display while the test pattern is running to ensure m accurate rendition of all patterns and characters m no random lines or dots are displayed Before and after the tests asterisks appear in the display 12 M1754A Signal Averaged ECG SAECG System S 4 5 5 e Theory of Operation The SAECG Patient In standard mode the SAECG patient
76. B 13 block diagram B 14 safety standards 4 13 ACONLED 5 20 HARGEROFF 5 20 NITOFF 5 21 NITON 5 2 Index 15 Index 16 5READY 8 BATMEAS 5 2 REF2 5 2 A 1 A 23 8 ADS A 8 CD 7 Cn A 8 DETECTOR A 4 DIRECTION A 10 OOR A 4 RVISEL A 1 DRV3SEL A 1 MITTER 4 P A 11 A 12 CIO e D0 LD3 A 11 A 12 41On 8 MOTOR ON A 10 nADS A e QRFEDATA 6 READDATA A 10 RXD A 7 SIDEISEL A 10 D0 UD3 A 11 A 12 RITEDATA A 10 WRITEGATE A 10 iles 2 18 3 10 ause 2 2 C 5 2 31 2 30 111 5 Store 2 31 13 101 Index 17 Index 18 Test 4 2 4 7 B 11 C 5 ansmit 2 18 2 28 3 10 software installing 2 13 2 14 software error 1499 6 6 Speclal applications D 10 specifications 1 8 environmental 1 7 atient module 1 5 physical 1 5 power supply and battery 1 6 Speed 3 3 speed accuracy checking 4 8 standard accessories 1 10 standards safety 4 13 Stop 3 3 4 lisk label 2 31 storing the software 2 31 subassemblies removable 7 1 supplies accessories options 1 10 WITCHON signal 5 20 system block diagram 5 5 system expansion connector 5 15 system memory 5 10 block diagram 5 1 DRAM array 5 1 power supply support 5 1 AM refresh 5 10 eal time counter 5 10 vatchdog timer 5 10
77. CFL Supply The VCFL brightness supply consists of two stages The first stage is a switching regulator that converts VIN into a voltage that is varied by the brightness potentiometer The second stage is a high voltage inverter module that generates the high voltage AC signal necessary to operate the fluorescent lamps used for display backlighting Preview Screen The preview screen is 640x400 dot LCD with cold cathode fluorescent backlighting The LCD driver circuitry receives control and data signals that originate from the preview logic board The latch pulse LP frame mulse lt clack nuse SCP control signals synchronize the LCD The UD and LD lines provide display data to the LCD Theory of Operation 5 27 Troubleshooting 6 Introduction This chapter provides information for localizing cardiograph problems to the subassembly level This information is designed for use with the cardiograph s Extended Self test to help you efficiently repair the cardiograph with a minimum of equipment Maintenance Philosophy Caution The maintenance philosophy for the cardiograph is subassembly replacement Replaceable subassemblies are identified in Chapter 8 Parts List Individual component replacement should not be attempted outside of an authorized Hewlett Packard repair facility Component level repair is extremely difficult due to the extensive use of surface mount technology and the high parts de
78. CPU assembly Defective preview logic board Defective preview power supply board Adjust brightness and contrast controls for best display appearance Adjust contrast or brightness or both Check that plug is fully connected Replace cable if defective Replace board Replace board Replace LCD module Verify presence of VCC and VIN at input to power supply board Refer to Appendix for pin assignments Verify presence of VCC VLCD VCFL at power supply board output Replace power supply board Replace power supply board Adjust contrast Replace board Replace display assembly Replace CPU assembly Replace board Replace board Screen is blank 1701 software loaded an Load correct software 1700 Troubleshooting 6 19 Table 6 7 Preview Display and Logic M1700A continued Symptom Corrective Action Backlight flickers Brightness misadjusted Adjust brightness knob for proper Half screen lit brightness level No backlight but characters present Bad connection at preview power supply board J1 Check that backlight cable is securely connected Replace LCD module Burned out or weak backlight bulb s Defective power supply board Replace board Ensure that plug is fully connected Replace cable if defective Interconnect cable between preview logic and display unplugged or defective Garbled data o
79. D Connector Transmit and Fax Fax Modem Parts List RUE BA RIS Modem Cable Parts List 5 Lead Set and Patient Module 3 Global Configuration Fields VCG Report Formats Troubleshooting VCG Parts List Contents 11 Introduction Warning Note Y This chapter introduces you to the M1700A PageWriter XLi M1701A PageWriter XLs and M1702A PageWriter XLe cardiographs and lists their technical specifications These cardiographs are only to be serviced by qualified personnel Safe and effective use of medical instrumentation requires periodic inspection and preventive maintenance Perform the preventive maintenance procedures in Chapter 4 of this manual at required intervals to ensure satisfactory instrument performance The cardiographs use a thermal printhead to record waveforms and label the ECG report The paper supplied with the cardiographs is a special thermal paper designed specifically to work with the thermal printhead and the photo detector used to advance the paper The cardiograph s disk drive M1700A amp M1701A only is a critical part Disks of substandard quality can damage the drive or destroy patient data Hewlett Packard guarantees the performance of the cardiographs only when used with paper and disks that meet or exceed Hewlett Packard specifications PageWriter XL Cardiographs The M1700A PageWriter XLi is Hewlett Packard s full featured interpretive cardiograph
80. L signal 1 IDRV ISEL signal 1 DRV2SEL signal A 1 ID D RV3SEL signal 1 receiving C 4 data path 5 1 management parameters cart ID 2 26 institution name 2 26 ECG report format Auto 3 4 ECGs receiving C 3 ECG simulation recording 4 8 6 1 testing with 4 8 ECG size 3 3 electrodes cleaning 4 13 learing 6 2 odes 6 3 nterpreting 4 7 sample printout 6 1499 software error 6 6 ransmit and modem 6 20 excluding patient ID entries 2 2 C 5 Extended Self test 3 12 starting 4 2 11 5 5 en ax modem test C 6 ax Programmable Modem C 2 lt eyboard interface 5 12 flow chart CPU initialization 5 3 format ECG report Auto 3 4 use changing 2 10 Index 7 gain accuracy checking 4 8 gate array DRAM 5 2 FGA Foundation 5 12 password 2 26 H HLDA signal A 8 HOLD signal A 8 IBITO signal 8 BIT2 signal 8 D 3 3 EC leads D NDEX signal A 10 MN he battery 2 11 he cardiograph 2 1 he modem 2 9 he printer drive gears 7 11 N T7 signal 8 interpretation parameters 2 24 I O control 5 12 lock diagram 5 13 hip select 5 12 5 12 serial communications
81. Li Option Configurations Contents 1 2 Installation and Configuration Installation nstalling the Software on the M1700 amp M1701A 2 13 nstalling the Software on the M1702A 2 14 Interpretation Parameters 1755 02 AutoCop MERO CG Management Parameters Contents 2 3 Operation iles M1700A amp M1TOl onl he Selection Display M1700A amp M1701A onl leaning the Electrodes Leadwires and Patient Data Cable Contents 3 5 Theory of Operation perational Overview System Expansion Connector SS 5 1 1 mo 5 1 Disk Drive 1700 and M1701A only 5 Overvoltage Undervolta rinter Switch 5 Backup Supply and Low Battery Disconnect 5 21 Motor Driver Nm ADC Analog to Digital Converter Contents 4 6 Troubleshooting Introduction Maintenance Philosoph Removal and Replacement Introduction he Printer Drive Assembly Removing the Printer Drive Assembly PageWriters with Serial Number Prefix 3208A or Later PageWriters with Serial Number Prefix Prior to Latet 224 2225 22 ox xm PageWriters with Serial Number Prefix Prior to 3208 4 4 o RR Rs Disassembling the Preview Screen Assembly 1 15 eplacing the Preview Screen Assembly 7 17 PageWriters with Serial Number Prefix 3208 or i PageWriters with Serial Number Prefix Prior to Cover Assembl Later
82. No error message Dirty sensor lens Clean sensor lens Defective sensor Replace sensor assembly Defective motor sensor cable Replace motor sensor cable assembly assembly Defective sensor circuit Replace CPU assembly Improper meshing of gears in motor Replace motor or door assembly assembly or door assembly Wavy diagonal lines in printer self test or distortion of printouts in the time axis Message Printer door Close door open Door is ajar Check leaf spring behind printhead and contact post Printhead bail or leaf spring touching contact post Defective sensor assembly Replace sensor assembly Defective motor sensor cable Replace motor sensor cable assembly assembly Defective door detect circuit Replace CPU assembly Troubleshooting 6 15 Table 6 5 Printer continued Symptom Corrective Action Paper moves but nothing Paper loaded incorrectly or Make sure cardiograph is properly prints non approved or non thermal paper loaded with approved thermal paper installed Printer moves but printing Door improperly latched Check door latch faint Make sure cardiograph is properly loaded with approved thermal paper Paper loaded incorrectly or non approved or non thermal paper installed Insufficient leaf spring tension or printhead out of position Chec
83. OC 90000 1700 Figure D 2 VCG1 Right Sagittal 0 to 360 Vectorcardiography 1790 0 7 D 8 Vectorcardiography M1790A 12345678 97 01 1996 84 55 PM FARLEY CHARLOTTE UNIVERS TY MEDICAL CENTER 29 yea Female ER 1 Room 213A D Oper 18 iA LL SNR Ru a NP VCG complet Frostat PR QRS plase project 0 5 4 ORSD 1 o 74 las QRS AUTO 6 9s Spatial vectors Mas ORS ayr v Time SCALAR 0um LEFT SAGITTAL ORS 20m FRONTAL ORS l0mm aV eit HORIZONTAL ORS 1 Froatet Horssoetal Leti sagittal Er T LOOPS 40ma aV wr 00043 12345078 87 00 1990 10 04 55 FARIEY CHARLOTTE UNIVERSITY MEDICAL CENTER years Feaste 154 Doe 67 ER 1 Re Room 3238 De No teose Dr Oper 18 VCG comptes RO gua 085 085 14 085 ORSO Stas 1 1 m a av nub ORS os AUTO 9 Time SCALAR ECG 5002 5 20 LOOPS 10 HORIZONTAL ORS 2taa av Pp 0 Prostot Horizontal Rigar saqeetat NE N S D f LOOPS s0em av RIGHT SAGITTAL ORS 24 FRONTAL ORS 20 987 VCG3 300 00045 LOC 00000 1790 Figure 0 4 VCG3 Right Sagittal 180 to 180 11345874 07 01 1990 10 04 55 FARLEY CHARLOTTE UNI
84. Store Stores the configured software on disk Print Prints copy of the cardiograph configuration Exit Returns you to the main configuration menu Store the configured software each time it is changed Print a copy of the cardiograph configuration and keep it with the configuration disk If the software is lost due to loss of battery power you will be able to easily restore the cardiograph to its latest configuration The M1702A can only print its configuration Store Storing the configured software creates a disk that contains the software language option and on the M1700A only criteria version as well as the configuration The disk can then be loaded at power on to initialize the cardiograph with a known configuration When you press Store the prompt Enter disk label appears followed by a blank field This label which is optional can be up to 16 characters long and is displayed during installation of the software Examples of labels are 11 90 Config or Dr Jones Disk Installation and Configuration 2 31 2 32 Note v E After you type in the name and press Enter the prompt Insert disk then press Continue appears When you do so the cardiograph displays Storing cardiograph configuration until the storage is complete Then Disk your label created is displayed Press Exit to get back to the main configuration menu With the 02 and higher software
85. The patient module collects data from up to 13 electrodes The multiplexors sample the data and a calibration voltage at 4 kHz rate and a successive approximation analog to digital converter ADC digitizes the data The patient module controller arranges the serial data from the ADC into 24 bit serial words that it sends to the cardiograph The patient module electrically isolates the electrodes from the cardiograph with opto isolators for the data and a transformer for the power The patient module receives leadwire status data from the cardiograph for presentation on the patient module s LCD display A push button Q gt on the patient module allows the cardiograph operator to remotely start a recording Figure 5 3 is a simplified block diagram of the patient module s circuitry PageWriter XLe M1702A does not have an LCD display or a push button on the patient module The patient module connects to the cardiograph by a cable that plugs into the cardiograph at J9 The pin assignments for the patient module connector are described in Appendix A ADDRESS ORFEDATA QRFEDATA P M RFEDATA 570 ISOLATORS RFEQDATA FEQCLK FEQCLK VFE SUPPLIES ADDRESS START LCD BUTTON DISPLAY ANALOG GROUND lt LL Figure 5 3 Patient Module Block Diagram Theory of Operation 5 7 C o aoo a a CPU Assembly This discussion of the CPU assembly covers the following circuits N CPU m System Memo
86. Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly Remove the battery as described earlier in this chapter Remove the top cover assembly as described previously in this chapter Disconnect the two rectifier cable spade lugs J6 and J7 and the two disk drive cables J14 and J15 See Figure 7 20 for jumper locations If the unit has a preview assembly remove the preview logic board assembly as described previously in this chapter Remove the board mounting screws shown in Figure 7 20 Also remove the jackposts that hold the serial and patient module connectors to the rear panel Lift off the RFI shield then slide the board toward the front of the cardiograph and disconnect the spade lug at J8 Lift the board out of the lower chassis Removal and Replacement 7 29 7 ie 7 7 2 T 7 4 4 7 4 4 Z 7 p 2 4 M1700 27 Figure 7 20 Screw and Connector Locations on the CPU Assembly 7 30 Removal and Replacement Replacing the CPU replace the CPU assembly reverse the removal procedure Assembly The Disk Drive This section describes how to remove and replace the disk drive M1700A and remove the disk drive M1701A only Caution Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting cables from and handling the disk d
87. VERSITY MEDICAL CENTER 29 years Female 134 tbe 67 vee ar D 323A Oper 3B Sagittal 1 085 1 045 1 40 v 14 n ORS o AUTO 6 Ma QRS cg 4 1 4 aV 33 Elevation Time 4293 SCALAR ECG 0ma s 2 HORIZONTAL ORS 10ma umV f LOOPS i9ms aV z 997 Frostal Moriaostal Lefi T LOOPS 40 FRONTAL ORS 2 LEFT SAGITTAL ORS 10i VCG4 590 HP 00045 Figure D 5 VCG4 Left Sagittal 180 to 180 Vectorcardiography M1790A D 9 Manual Report Formats When the cardiograph is configured for VCG recording some manual report formats with Frank leads are automatically added to the list of formats from which you can choose One of the manual 3 lead ECG report formats contains the X Y and Z leads Another format is the custom 3 lead group which can be set in the global cardiograph configuration to include any combination of three out of 15 leads If you configure a custom 3 lead group you must choose the X Y and Z leads in that sequence to be able to print a VCG report from that format The VCG report cannot be printed unless the leads are presented in the correct sequence Caution Troubleshooting This chapter contains information about troubleshooting the VCG recording Table D 5 Troubleshooting Extra lead labels VX1 VX2 VX3 Research leads instead of Frank VX4 appear in the cardiograph s leads are configured display In global configuration u
88. X entry Allow OPERATOR entry Allow DEPARTMENT entry m Allow ROOM entry m REQUESTED BY entry Allow USER A entry USER A is replaced by the label defined in global configuration Allow USER B entry USER B is replaced by the label defined in global configuration Allow STAT ECG entry Instructs ECG Management System to process this ECG first M1700A only Installation and Configuration 2 27 Transmit Configuration When you press Transmit the Configure menu for transmit appears in the display The transmit information in this section applies only to the M1700A Note l cardiograph Configure Transmit Receive AutoDial Exit The following list briefly describes the function of each menu selection detailed discussion of each selection follows the list Transmit Use this key to configure the cardiograph for four transmission sites Receive Use this key to select the receive connection type and its baud rate AutoDial Use this key to select a site to which the cardiograph automatically sends an ECG when you transmit Exit Returns you to the previous menu Transmit The Transmit key brings the Configure Site menu to the display Configure Site 1 2 3 4 Exit When you select a site number a parameter selection display appears Table 2 4 lists each parameter and the settings available The default setting for each parameter 1s shown in boldface type 2 28 Installat
89. a display or a remote start button To increase contrast on the keyboard display press and A to decrease contrast press the and v To increase contrast on the patient module display press and A to decrease contrast press and v You may need to press the arrow keys multiple times to achieve the contrast desired Operation 3 3 Choosing Report Format 3 4 Operation Note Note i You can record two types of ECGs m Auto ECGs are 1 page 12 lead ECGs with or without rhythm strips m Manual ECGs are continuous tracings of 3 6 or 12 leads In addition if you have the M1754A SAECG option you can record signal averaged ECGs Examples of a few of the ECG types are shown in the figures on the following pages To choose a report format use the softkeys shown in the menu display below This menu also allows you to set the date and the time the procedure for setting date and time is described in Chapter 2 If you do not have this or a similar menu in the display press until you do The information displayed in the message line upper line of the display depends on the format last chosen For this reason your display may be different than the example shown here Auto S3x4 3R Report Format Leads 04 01 1990 02 23 34 Report Selects between the Auto or Manual report menus Format Selects the number of leads and the report presentation The selections are Auto For
90. alysis software is biased to process human ECG data SAECG verification should not be required in addition to standard ECG simulation However you can use an ECG simulator to determine that the SAECG is functional leadwires should be connected to the simulator though you do not need to connect specific leadwires to specific outputs See Appendix B for more information Preventive Maintenance Caution Routine maintenance for the cardiograph consists mainly of cleaning and inspection The cardiograph does not require any kind of lubrication Lubricating any part of the cardiograph could damage it or diminish its performance Performance Verification and Maintenance 4 9 Care and Cleaning cardiograph and its accessories are chemically resistant to common cleaning solutions and non caustic detergents The following are some approved cleaning solutions for all of the outside surfaces of the cardiograph the patient module and the cart Mild soap and water Chlorine Bleach 3001 1 water 90 Isopropyl Alcohol If the keyboard requires cleaning you can remove it from the cardiograph and immerse it in lukewarm water Cleaning the Cardiograph and Patient Module 1 Unplug the power cord and ensure that the cardiograph is set to Standby at the front panel 2 Wipe the external surfaces of the cardiograph the patient module and reusable electrodes with a soft cloth dampened in any of the approved cleanin
91. and right clutches 7 Lift the preview screen assembly off of the cardiograph 8 Remove the user interface as described earlier in this chapter ATN 7 12 Removal and Replacement 9 Remove the three screws from the rear panel as shown in e Figure 7 10 Figure 7 10 Opening and Removing the Top Cover Assembly 10 Open the top cover and disconnect the preview cable from the preview logic board see Opening and Removing the Top Cover Assembly later in this chapter Disassembling the Preview Screen Assembly Use this procedure to disassemble the preview screen assembly Warning Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the two knobs from the front of the display 6 Remove the left and right clutch covers a Insert a small flat bladed screwdriver in the slot at the bottom rear of the cover and gently pry up till the catch releases b Tilt the cover forward slightly to disengage the tabs at the front then lift the cover away This is easier if the screen assembly lays flat on the PageWriter T Remove the right clutch a Remove the mounting screws and washers clutch fits tightly on the piv
92. anel The status message Printing Manual Report appears cardiograph will print the ECG continuously until you press the key or the P on the patient module You cannot store a Manual report Your cardiograph may be configured to request patient ID automatically each time you start an ECG To override the request for patient ID press again Using the Patient Module Start Button Note E Pressing the Q gt on the patient module will start recording an Auto or Manual report depending on which report format appears in the cardiograph display window refer to Choosing a Report Format earlier in this chapter You can halt the recording any time by pressing the again To restart the recording press the lt gt a third time The patient ID number appears on the patient module display when you have already recorded an ECG If you want to use this ID press the patient module start button to record the ECG otherwise enter the correct patient ID at the keyboard The M1702A patient module does not have a start button Preview Plus A 02 XX and Higher Software Only Note 1 Using Preview Plus This section contains information about the Preview Plus application You must have a preview screen on your cardiograph for this application The Preview Plus application allows you to perform the following tasks on your PageWriter XLi cardiograph Continuously view current ECG information prior to an
93. ardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the top cover assembly as described previously in this chapter Removal and Replacement 7 25 6 Remove the four screws that hold the preview logic board and shield to the chassis see Figure 7 18 7 Disconnect the preview logic board assembly from the system expansion connector on the CPU board assembly and slide the logic board out Figure 7 18 Preview Logic Board Removal Serial Number Prefix 3208A or Later 7 26 Removal and Replacement Caution Warning PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use this procedure to remove the preview logic board Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting and handling the preview logic board To remove the preview logic board Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages and to avoid damage to the preview display 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more ra
94. ars Delete Log Delete Log Edit Print Analyze Allows you to delete stored ECGs and SAECGs This key brings up the selection display the selection display is described at the end of this section After you select the patient ID numbers for the ECGs that you want to delete press the Delete softkey in the selection display The cardiograph displays the question Start Deleting 1 ECG s The number 1 will vary in all messages depending on how many ECGs were selected Press Yes if you want to continue The message Deleting 1 of 1 ECG s appears and the ECG is removed from the disk The following display appears to confirm that the ECG is deleted Press Exit to continue i ECG s deleted Exit Prints the ECG Log or Store Log The cardiograph prompts you to select before printing The ECG Log is a list of the last 60 Auto and Manual ECGs recorded on the cardiograph It shows the time and date the ECGs were recorded and if they were stored The Store Log lists all Auto ECGs stored on the flexible disk currently in the disk drive It shows if ECGs on the disk were transmitted analyzed or edited Operation 3 13 Edit Note Enables you to edit the patient ID information on stored ECGs when you press the Edit key on the selection display The cardiograph displays the patient ID information for editing just as it does when you press the key on the front panel When you finish editing the cardiograph offers to
95. ators light Performance Verification and Maintenance 4 1 Extended Self test cardiograph s Extended Self test loaded as part of the system software tests each major subassembly The display tests and the printer test require visual verification of displayed or printed output In most cases test failure halts the test and message indicating the failure appears on the keyboard display In the case of the tests that require visual verification visible failure symptoms appear in the printed or displayed test pattern See Chapter 6 Troubleshooting for a list of self test failure messages and failure symptoms To begin the Extended Self test press to turn on the cardiograph then quickly press and release the and x keys simultaneously The following display will appear Test All Select Test Next Previous ErrorLog The upper line displays the test choice while the lower line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the message line Asterisks appear around the test name to indicate its selection If the test 1s already selected pressing this key de selects the test the asterisks disappear You can select one or more tests in any combination but the sequence 1s fixed Test Begins running the selected test s Next Steps forward through the test menu Previous Steps backward through the test menu
96. ay The battery voltage should be slightly higher when the cardiograph is operating on AC AC LED is on indicating that the battery is charging 6 Install the battery and turn off the AC switch 7 Measure VBAT again If the battery is fully charged the voltage should measure 19 to 20 volts 8 Press the switch to turn the cardiograph On 9 Measure 4 5V It should read 4 5 V DC Its presence confirms the proper operation of the 5 volt supply 10 Measure VFE at pin 5 of the ECG Input connector J9 It should read approximately 11 volts Its presence confirms the proper operation of the VFE regulator circuit that supplies power to the patient module 11 Measure VPRINT It should read approximately the same as VBAT Its presence confirms the proper operation of the printer switch circuit 12 Measure VMOTOR It should measure 15 6 to 17 9 V DC Its presence confirms the proper operation of the regulator that supplies power to the motor 13 Carefully measure VIN see the CAUTION at step 3 VIN should read approximately one volt less than VBAT Its presence confirms the proper operation of the battery switch circuit 14 Turn on the AC switch 15 Measure VBAT It should read between 19 and 22 volts for a fully charged battery 16 Carefully measure VIN again It should read between 17 and 31 V DC This confirms the operation of the mains transformer and the rectifier assembly under full load 17 Close the top co
97. ay appears Connection None Enter Choose Exit Installation and Configuration Connecting the Patient Module 6 Press Choose until you see the choice LaserJet then press Enter The baud rate display will appear 7 Press Choose until you see the baud rate 19200 then press Enter 8 Select whether to print a grid If you have unlined paper in the printer this selection will print the grid with the ECG Your cardiograph is now set up to print to an HP LaserJet when you select the configured site from the Transmit menu See the PageWriter XLi Operating Guide for information about transmitting ECGs 1 Connect the patient data cable to the ECG input jack on the back of the cardiograph 2 Connect the other end of the patient data cable to the patient module as shown in Figure 2 4 3 Connect the leadwires to the patient module Match the color coding on the leadwires to the color coding on the patient module M1702A only Match the labels on the leadwires to the labels on the patient module 4 Install shorting plugs in the patient module in those positions without leadwires PACKARD Figure 2 4 Connecting the Patient Module A Leadwires B Patient Data Cable Installation and Configuration 2 7 2 8 Note Note Changing the Line Voltage Setting Caution U The M1702A patient module does not feature a signal quality display Or start button The 1754 SAECG patient module can acq
98. ay from the handle making sure that the slots on the feet engage the rail edges Lock the cardiograph in place by installing the locking screw The locking screw passes through the hole in the left cart rail and screws into the threaded hole on the left underside of the cardiograph Attach the Hayes modem to the cart as shown in Figure 2 1 Figure 2 1 Installing the Hayes Modem Installing the M1756A Fax Modem Note fax capability is also available using the 1706 modem with 8 03 3 or higher software To install the fax modem perform the following steps see Figure 2 2 1 2 3 Installation and Configuration Press the switch to turn the cardiograph to Standby Turn the cardiograph AC switch off Insert the larger connector end of the fax modem cable M1752 61600 into the RS 232C plug on the fax modem as shown in Figure 2 2 Place the fax modem flat into the bracket so that its data cable is retained by the two upright tabs at the narrow end of the bracket The battery compartment should be accessible through the cutout at the wide end of the bracket 10 A 9 volt battery is not essential for fax modem operation From the rear of the cart with the data cable away from you pass the modem under the horizontal square bar Pull the modem towards you so that the clip on the bracket is securely over the horizontal bar Align the hole in
99. by writing data to and reading data from the board This test also displays test patterns on the preview screen Each of the following patterns appears on the screen for several seconds and in this order m checkerboard pattern m inverse checkerboard pattern all black screen m vertical white bar moving left to right m horizontal white bar moving top to bottom all white screen m horizontal black bar moving bottom to top m vertical black bar moving right to left m all black screen m text characters in a white box on the black screen The message Displaying test pattern appears on the keyboard display during the time the test pattern is on the preview screen You must observe the preview screen while the test pattern is running to ensure m accurate rendition of all characters and patterns no random lines or dots in the display no permanent patterns visible at normal contrast Patterns may be visible at low contrast darker screen this is normal m no LCD flickering If the preview display fails the test or if the test is run when a preview display is not installed on the M1700A the message Preview test failed appears on the keyboard display If the M1700A is not equipped with a preview display selecting the preview display test results in a test failure If you have selected the All test choice remove the preview display test from the selected tests to avoid an erroneous test failure Performanc
100. cardiograph and check that the AC indicator on the front panel is lit 3 Open the battery compartment by loosening the two captive thumbscrews on the back of the cardiograph as shown in Figure 7 1 the figure shows the M1700A RS Warning Warning Figure 7 1 Opening the Battery Compartment A Battery door B Thumbscrews The battery is relatively heavy for its size Support the battery from underneath as you remove it to prevent it from slipping and possibly causing injury 4 Slide the battery and battery holder out of the cardiograph 5 Separate the battery holder from the battery and set the battery aside for storage or proper disposal Dispose of or recycle depleted batteries according to local regulations Do not disassemble puncture or incinerate the battery assembly Removal and Replacement 7 3 Replacing the Battery To replace the battery 1 Install the battery in the battery holder Make sure the tab on the holder fits into the slot on the battery as shown in Figure 7 2 Figure 7 2 Fitting the Battery Holder Tab Into the Battery Slot A Battery slot 2 Gently slide the battery and holder into the battery compartment until completely seated 3 Finger tighten the thumbscrews on the battery holder 4 Press the switch to turn the cardiograph On Check that the AC indicator and one or more battery level indicators are lit ca Note To insure full battery capacity
101. cator When the low battery indicator on the front panel illuminates the battery has discharged to the low battery warning point The cardiograph can continue to operate in this condition until it reaches the low battery shutdown point 5 Volt Regulator 5 Overvoltage Undervoltage Sensor The low battery shutdown point occurs when the battery is approximately 70 discharged The low battery indicator begins flashing and the message Low battery plug cardiograph into AC is displayed After one minute the cardiograph will go to Standby unless it is connected to AC before the minute expires If the battery is not allowed to recharge it will continue to discharge until it reaches the low battery disconnect point Low battery disconnect occurs when the battery is approximately 8096 to 90 discharged When this occurs the battery is completely disconnected from the system and memory and clocks are lost The disconnect circuit is described later in this section The 5 volt regulator provides logic power to the cardiograph This regulator converts VIN to 5 volts 5 with a buck step down converter The UNITON signal from the DRAM gate array turns the regulator on and off and soft start circuitry prevents voltage overshoot at start up Maximum rated output current is 3 amps This circuit monitors the 5 volt supply to sense an overvoltage or undervoltage condition When the key is pressed to turn the cardiograph On 5READY
102. ctor J2 Signal Pin Signal VTHERM 15 nPSTB nPSTB NC 6 GROUND 19 nPSTB 8 NC 2I nLATCH 9 nPSTB 22 GROUND NC NN gt nPSTB GROUND Signal Definition 5VREF Reference voltage from the pulse width monitor PWM in the 5 volt supply Valid when the cardiograph is On nLATCH Printhead latch latches a line of print data nPSTB Printhead strobe enables the dot drivers PDOUT Print data output to printhead PRCLK Printhead clock Clocks serial data into printhead at 4 MHz VTHERM Voltage from printhead thermistor indicates printhead temperature Connector Pin Assignments 3 Table 3 Printer Motor and Sensor Connector J3 Pin Signal Pin Signal I VPRINT i 2 GRouND 9 GROUND 3 P4 I0 DETECTOR VMOTOR VMOTOR 6 P1 EMITTER VMOTOR DOOR Signal Definition DETECTOR Paper sensor detector DOOR Indicates the state of the printer compartment door High when door closed EMITTER Paper sensor emitter P1 P4 Drive signals for the printer s four phase stepper motor VPRINT Switched battery voltage to the printhead Enabled with 5READY signal VMOTOR Power to the motor Enabled with 5READY signal A 4 Connector Pin Assignments Signal NOBATT THERM THERM Signal VPRINT Table A 4 Battery Connector J4 Pin Signal 6 VBAT 8 Definition Indicates
103. d Self test w Patient module and cable CPU assembly m Printer Disk drive M1700A and M1701A only Preview display M1700A only m Keyboard display Modem and cable M1700A only m All The modem and cable test are described in more detail in the discussions that follow Fax Modem Test M1700A Only The modem test checks the operation of the Worldport 2496 fax modem 4 The fax modem may have 9 V battery installed If a battery is not installed cardiograph should be connected to AC voltage to test the fax modem Note If the fax modem passes the test the message Modem firmware checksum xxx appears If the modem fails the test the message Modem test failed appears on the keyboard display Note 1 If the M1700A is not equipped with modem selecting the modem 9 test results in a test failure If you have selected the AII test choice remove the modem test from the selected tests to avoid an erroneous test failure C 6 M1756A Direct Digital ECG Fax s 42922525 Troubleshooting Table C 1 Transmit and Fax Symptom Corrective Action Message No answer at Cabling problems between fax Perform Extended Self test modem test site modem and cardiograph Substitute normal telephone for fax modem and dial number Ensure that fax answers with high pitched tone Telephone line or telephone cable
104. d during printing m Record a patient s ECG automatically at regular intervals m delayed Manual ECGs m Reformat a stored ECG You can also configure the PageWriter to use Preview Plus as its power on application See Power on Application in Chapter 2 for more information To use the Preview Plus application do the following 1 Press until the following appears in the display XLi SAECG SAECG appears only if available 2 Press Prev The following display appears Reformat Timed ContPrev Delayed Exit Operation 3 17 Reformat Timed ContPrev Delayed Note Reformats a stored 500 sample second ECG for printing using a format and features you select To reformat a stored ECG insert the ECG storage disk in the cardiograph and press Reformat selection display appears and you can select an ECG to reformat Once you select the ECG a screen appears that allows you to select the format and features you want Press Print to print the reformatted ECG You cannot store a reformatted ECG It will be stored in the format in which it was originally recorded Enables you to record an ECG automatically at regular intervals To do this press Timed The message Interval in minutes 1 20 appears Enter the interval at which you wish the cardiograph to record Auto ECGs then press Enter Press and to begin the series of Auto ECGs An ECG will be recorded immediately and at each
105. d vector lead M1754A Signal Averaged ECG SAECG System B 9 Editing and Printing a Stored SAECG pese edit or print a stored SAECG report 1 Press until the following display appears Print Edit Config 2 Press Edit A display similar to the following appears Edit ID 12345678 Select Next Previous Exit 3 Press Next or Previous until the patient ID number you want appears 4 Press Select The onset offset adjust menu shown earlier appears Note If you know the patient ID number of the ECG you want to edit or print you can select the as follows m Press More then Find Type the patient ID number Press Enter most recent with that patient ID number appears If you want a different ECG for that patient you must scroll through the list by pressing Previous When the ID number you want appears press Select You can now adjust the onset and offset and print the report as described earlier Deleting a Stored You can delete SAECGs from the main XLi menu by selecting the SAECG SAECGs to be deleted and pressing Delete 77 10 M1754A Signal Averaged ECG SAECG System Performance Verification and Maintenance Extended Self test The cardiograph s Extended Self test loaded as part of the system software tests each major subassembly The display tests and the printer test require visual verification of displayed or printed output In most cases a test failure
106. defective RS 232 cable not plugged in or Plug in to cardiograph if defective defective replace Extended Self test modem test failure Power cable not plugged in or Plug in to cardiograph and turn on AC defective or cardiograph AC off if defective replace Fax modem not turned on Turn on Fax modem Check for unplugged or defective power cable Fax modem battery bad Replace battery Defective fax modem Replace fax modem Defective CPU assembly Replace CPU assembly Unable to transmit or receive cable unplugged or defective Plug in phone cable if defective Modem passes Extended replace Self test Configuration changed without Cycle power on cardiograph cycling power Defective fax modem Replace fax modem Defective CPU assembly Replace CPU assembly 9V power missing Check voltage at cardiograph power connector ECG disk is write protected Move write protector tab Call again if possible on another phone line Black or white lines appear on Noisy phone lines lose fax data the fax Note 4 The fax modem does not require battery for operation when the cardiograph is connected to AC power However the fax modem cannot receive when operating from the battery M1756A Direct Digital ECG Fax 7 40 Parts List Table C 2 Fax Modem Parts List Screw 1
107. disconnecting the preview logic board to eliminate it as the source of the power on problems Tip 5 Troubleshooting 6 7 Table 6 1 Power on Errors Corrective Action 6500 Defective ROMs or other related hardware Replace CPU assembly problem on CPU assembly 6502 Failed to complete loading of software Reload software 6503 No RAM code found in machine 01 00 1 Reload software software defect 2 Load software version 01 01 or later 3 Replace CPU assembly 6504 RAM cyclic redundancy check CRC failed Reload software RAM code corrupt after loading code 6505 6506 6600 6601 Catastrophic software failure Reload software 6602 Failures in power on routine 1 Cycle power 2 Reload software 3 Replace CPU assembly 6605 6609 6610 Missing message table Disk could be bad Reload software 6606 6607 Failures in power on routine 1 Cycle power 2 Reload software 3 Replace CPU assembly 6612 Wrong message table version Reload software 6613 6614 Software failure Reload software 6615 6616 To reload the software on the M1702A XLe remove the battery then 9 reinstall the battery and reconfigure the unit 1 Replace cable 2 Replace disk drive 3 Replace CPU assembly Failed to initialize disk controller Disk drive connecting cable bad disk drive bad or CPU assembly bad 1 Load proper software 2 Replace CPU assembly Insuff
108. does not warrant that the operation of the software firmware or hardware shall be uninterrupted or error free If Hewlett Packard is unable within a reasonable time to repair or replace any product to a condition as warranted Buyer shall be entitled to a refund of the purchase upon return of the product to Hewlett Packard The foregoing warranty shall not apply to defects resulting from any of the following 1 Improper or inadequate maiutenance by Buyer 2 Buyer supplied software or interfacing 3 Unauthorized modification or misuse 4 Operation outside of the environmental specifications for the product 5 Improper site preparation and maintenance THE WARRANTY SET FORTII ABOVE IS EXCLUSIVE AND NO OTHER WARRANTY WIIETIUZR WRITTEN OR ORAL IS EXPRESSED OR IMPLIED HEWLETT PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Copyright 1989 1990 1991 1992 1995 Hewlett Packard Company A 595 0 0 2 5 Printing History May 1990 Edition 1 May 1991 Edition 2 July 1991 Edition 3 February 1992 Edition 4 March 1992 Edition 5 November 1992 Edition 6 September 1995 Edition 7 Safety Summary Safety Symbols Marked The following symbols are used on the cardiograph or the cart on the Cardiograph Caution See operating instructions 49 CF external defibrillation protected o Alternating current Equipotential this is on th
109. e configuration disk appears on the display If you do not want to load the configuration shown remove the disk and place the cardiograph in Standby Find the correct disk and restart this procedure at step 2 4 Choose a language and power line frequency when prompted If you load the software from a configuration disk the language and line frequency prompts will not appear because these selections are part of the stored configuration See Configuration Files later in this chapter 5 When the software installation is complete the main menu appears on the display Remove the disk and store it in a cool dry dust free location away from magnetic fields 6 Check the battery level and AC indicator lights The AC indicator and one or more of the green battery level indicators should be lit The red low battery indicator should be off though if the battery is low the green indicators will be off and the red indicator will be on Installation and Configuration 2 13 Note Installing the Software 2 14 on the M1702A Loading the Paper The battery level indicators function only after software is installed To verify battery capacity turn on the unit while the cardiograph is connected to AC power and the AC switch is on The cardiograph must be connected to AC power when verifying battery capacity Once the software is installed it does not need to be reinstalled unless the cardiograph loses battery power
110. e printer test require visual verification of displayed or printed output In most cases a test failure halts the test and a message indicating the failure appears on the keyboard display In the case of the tests that require visual verification visible failure symptoms appear in the printed or displayed test pattern See Chapter 6 Troubleshooting for a list of self test failure messages and failure symptoms To begin the Extended Self test press to turn on the cardiograph then quickly press and release the and x keys simultaneously The following display will appear Test 11 Select Test Next Previous ErrorLog The upper line displays the test choice while the lower line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the message line Asterisks appear around the test name to indicate its selection If the test is already selected pressing this key de selects the test the asterisks disappear You can select one or more tests in any combination but the sequence is fixed Test Begins running the selected test s Next Steps forward through the test menu Previous Steps backward through the test menu ErrorLog Prints out the stored error log To stop or exit Extended Self test you must press to place the cardiograph in Standby 1756 Direct Digital ECG Fax 5 These the tests available in Extende
111. e 3 1 shows the keyboard and front panel Controls and indicators shown are described on the following page The Keyboard and Front Panel B C Speed wets vues CJ C9C9O9 C9C9O COCOCOCOCO amp 9 mm sec 5 10 20 Full e 6500 5 occ CS Page Advance ru L Auto Manual p Copy Figure 3 1 The Keyboard and Front Panel 3 2 Operation t ies po Z o AO Speed Changes the paper speed It switches between 5 10 25 and 50 mm sec for Manual ECGs and between 25 and 50 mm sec for Auto ECGs ECG Size Changes the limb and chest lead sensitivity between 5 10 and 20 mm mV V Leads Changes the chest lead sensitivity between full and half size with Filter respect to the value set by the key Turns artifact and baseline wander filters on and off depending on which filter or filters are set in configuration Allows patient identification entry review and edit softkeys These five keys f1 5 called softkeys appear dir ctly beneath Menu to nua the display window and perform different functions at different times When a particular f key is active a label describing its function appears above it in the display window Changes the softkey selection between two displays Starts an Auto ECG recording Starts a Manual ECG recording Halts any cardiograph function Prints a copy of an ECG which has just been acquired Pag
112. e Advance Advances the paper to the beginning of the next page On Standb Switches the cardiograph between On and Standby cardiograph is not operational when in standby but it is powered Low Battery Light indicates that the cardiograph must be plugged and recharged Battery Level Lights indicate the remaining capacity level of the battery When gt 2 Alt the battery is fully charged all the lights are on Always check the battery level lights before disconnecting AC power Light will be on when the power cord is plugged into a wall outlet and the AC switch is on This indicates that the battery is charging The AC switch is on the back of the cardiograph Pressed with x at power on for cardiograph self test 9099 A The left and right arrows move the cursor when typing information Other Operating Controls Note uj in data entry fields on the keyboard display The down and up arrows select leads on Preview Screen Enter key There are other operating controls that are not part of the keyboard The knobs that control preview screen contrast and brightness are on the preview screen front panel M1700A only The remote start button is located on the patient module M1700A amp M1701A only The contrast controls for the keyboard display above the keyboard and the patient module display are key combinations entered at the keyboard The M1702A patient module does not have
113. e M1700 47309 Foot M1700 47319 Cup M1700 47320 Retainer M1700 47321 8 8 Parts Lists CABLE CONNECTORS r CABLES WOT Figure 8 3 Main Assembly Exploded Diagram Serial Number Prefix Prior to 3208A Note The battery door assembly does not include the door label To get 83 the label order the label set for the language needed Parts Lists 8 9 8 10 Parts Lists Table 8 3 Main Assembly Parts List Serial Number Prefix Prior to 3208A CPU assembly M1700A Refurbished CPU assembly M1700A CPU assembly M1701A Refurbished CPU assembly M1701A CPU assembly M1702A Refurbished CPU assembly M1702A User interface assembly Main bezel asseinbly Key PCB assembly Keyboard rubber gasket LCD Key asseinhly Dutch Key assembly English Key assembly French Key assembly Gerinan Key assenibly Italian Key assembly Spanish Key assembly Swedish Battery assembly lead acid Battery guide left or right side Battery shield left or right side Battery door assembly Cover right side printhead Left side not shown Cover top rear 1700 w o preview M1702A Cover top rear w preview Cover front 1700 and MITOIA not shown Cover front 1702 Side right lower Side left lower See item 27 Jack nut Diode array cable assembly Disk drive M1700A and 1701 Ref Description Part No No M 1700 60100 M1700 68100 M1700 60104 M1700 681
114. e Verification and Maintenance 4 5 Keyboard Display Test The keyboard display test exercises each cell in the LCD by displaying the following patterns m checkerboard cells m all black cells m inverse checkerboard cells m all white cells m text characters You must observe the keyboard display while the test pattern is running to ensure m accurate rendition of all characters and patterns no random lines or dots in the display m no permanent patterns visible at normal contrast Patterns may be visible at low contrast darker screen this is normal no LCD flickering This test relies on the visual inspection of the test patterns for detecting failures There is no failure message for the keyboard display test Modem Test M1700A Only The modem test checks the operation of the Hayes modem and its connecting cable The cardiograph must be connected to AC power to operate the Hayes modem Note If the modem passes the test the message Modem firmware checksum xxx appears If the modem fails the test or if the test is run when a modem is not installed on the M1700A the message Modem test failed appears on the keyboard display If the M1700A is not equipped with a modem selecting the modem test results in a test failure If you have selected the test choice remove the modem test from the selected tests to avoid an erroneous test failure Note 45 4 6 Performance Verificatio
115. e at system initialization The SRAM address bus can be driven by the CPU or by the LCD controller The address multiplexers under the control of the LCD controller select between these two address sources In the event of contention the LCD controller forces the CPU to wait for access to the RAM E 1 CONTROLS ONTROLS DECODE BUFFERED ADDRESS ADDRESS ADDRESS CYCLE STEAL STROBE aoDRESS CONTROLL R ADDRESS 1 VLCDEN M1700 12 Figure 5 13 Preview Logic Board Block D agram Theory of Operation 5 25 Preview Display Power Supply Board Note i Y 5 26 Theory of Operation The SRAM is CMOS 32K x8 static RAM that contains a complete graphics bit map of the LCD Display data is written to or read from SRAM The LCD controller reads the display data from SRAM and outputs it on the upper and lower screen data lines UD and LD The controller also generates synchronization signals that send the data to the LCD The LCD enable circuitry generates the VLCDEN signal that allows the system to turn the LCD and backlight on and off Functionally this circuit is an AND gate that generates VLCDEN when 5 volts is stable 5READY and the system has turned on the LCD LCDON The latch pulse signal LP must also be present before the LCD can be turned on thus preventing damage to the LCD The upper screen and lower screen data lines UD and LD sync signals FP LP and SCP VLCDEN VIN 45
116. e flexible disks for storing ECGs Exact ECG copies can be made at the bedside or later Each ECG is automatically logged and can be automatically stored by the cardiograph A list of all stored ECGs can be printed facilitating administrative reporting and billing Typically 50 150 ECGs can be stored per flexible disk although the actual quantity depends on usage From a service standpoint the PageWriter XL cardiographs are similar except for five major hardware differences The M1700A preview display allows you to view the ECG prior to recording The M1700A CPU assembly has extra memory to accommodate the measurement and interpretation software but uses the same ROM as the M1701A m Each PageWriter has a unique CPU assembly Note M1705A Cart m The M1700A and M17014A load software from and store ECGs to the disk drive The M1702A software is in ROM and does not store ECGs m The M1700A and M1701A patient modules feature a display that indicates signal quality and a start button The M1702A patient module does not offer these features All other model differences are found in the cardiograph s software The M1700A and M1701A software is installed in the cardiograph from flexible disk while the M1702A software is installed from ROM After installation the software is stored in dynamic RAM DRAM Re installation is required only when a user desires a different configuration or if DRAM loses its contents du
117. e ground lug B The maximum weight that the cart can hold Please see chapter 4 Performance Verification and Maintenance for safety requirements that apply to the cardiograph Conventions Used in This Manual Warning 3 Warning statements describe conditions or actions that can result in personal injury or loss of life Caution Caution statements describe conditions or actions that can result in damage to the equipment or software Note 4 Notes contain additional information cardiograph usage Softkey represents the temporary key labels that appear on the display represents keys on the front panel 2122272 Preface This manual contains service information for the Hewlett Packard M1700A PageWriter XLi M1701A PageWriter XLs and 1702 PageWriter XLe cardiographs The information and procedures in this manual apply to all models unless otherwise specified This manual is organized as follows Chapter 1 Introduction Contains a general description of the cardiographs lists of technical specifications and lists of accessories and options Chapter 2 Installation and Configuration Summarizes the cardiograph installation and explains how to configure the cardiograph for specific customer requirements Chapter 3 Operation Summarizes how to operate the cardiograph Chapter 4 Performance Verification and Maintenance Explains how to check the cardiograph s performance using built in self te
118. e power on routine and will appear only as numbers on the display The table defines and explains each error and suggests one or more corrective actions for each All the other tables list failure symptoms possible causes and suggested remedies Troubleshooting 6 5 POWERS UP YES ERROR DISPLAYED NO PATIENT MODULE CPU amp CABLE ERROR DISPLAYED SEE TABLE 6 1 SEE TABLE 6 2 SEE TABLE 6 1 PRINTER DISK DRIVE System inoperotive No poper Unoble to Bod ECG System errors movement store or Start button displayed Poor print retrieve won t work See Table 6 4 quality data LCD display blank See Table 6 3 PREVIEW DISPLAY Nothing on display Garbled data on display See Table 6 7 Caution 6 6 Troubleshooting See Toble 6 5 See Toble 6 6 KEYBOARD amp TRANSMIT MAIN DISPLAY FAX amp MODEM Keys don l Unoble to function transmit and or or gorbled receive data display See Table 6 9 See Table 6 8 Figure 6 2 Troubleshooting Flowchart Before removing or inserting any board or connector make sure AC power is off the battery is removed and the rectifier assembly capacitors are discharged Note A In Table 6 1 the corrective action Cycle power means to press the key repeatedly to turn the cardiograph to Standby and back to On If the cardiograph will not turn on or operate and displays an error code the preview logic board may be defective and causing these symptoms Try
119. e procedures make up performance verification visual inspection of the cardiograph exterior execution of Extended Self test and visual examination of an ECG recorded from an ECG patient simulator The performance verification checklist at the end of this chapter summarizes the steps you should follow to verify the cardiograph s performance These are some suggested uses for this checklist m Make copies of the blank checklist then fill out a copy each time the cardiograph is tested m Attach the printer test output simulator ECG trace and error log printout to the completed checklist and file with the cardiograph s permanent maintenance record Before beginning the inspection press the key to put the cardiograph in Standby and unplug the power cord from the wall outlet Then inspect the cardiograph for the following Worn or damaged power cord Loose or missing hardware Mechanical damage Evidence of liquid spill Worn printer drive gear m Worn printer roller Corroded or damaged electrodes Worn or damaged patient module cable Dirt on the thermal printhead Replace any damaged or missing items and clean the printhead and patient electrodes as necessary Cleaning instructions are listed under Preventive Maintenance later in this chapter Connect the cardiograph to AC power and turn on the AC switch Observe that the AC indicator comes on Turn the cardiograph On and observe that one or more of the battery indic
120. e requested before recording an ECG Print Prints the cardiograph configuration Exit Returns to the main menu Transmit M1700A Only When you press Transmit the following menu is displayed Transmit Selected All NewGroup Query Exit Selected Presents the selection display the selection display is described at the end of this section Allows you to select one or more stored ECGs for transmission If AutoDial is enabled the cardiograph automatically dials and transmits the selected ECG s to the chosen site when you press Transmit in the selection display All Transmits all the stored ECGs If AutoDial is enabled the cardiograph dials and transmits immediately If AutoDial is not enabled the following display appears Choose Site 1 2 3 4 Manual Selecting one of the numbers initiates transmitting to the site assigned to that number If you e select Manual the display prompts you to enter configuration information Refer to Chapter 2 for details about configuring autodial sites NewGroup Transmits only those ECGs that have not previously been transmitted Query Calls a site to receive ECG information Query is used only with an ECG management system The PageWriter can receive ECGs from an ECG management system on request by using the Query function PageWriters with A 01 XX software can only receive text information this way and cannot receive ECG traces Note The PageWriter provides two types of Query sta
121. e to a low battery The PageWriter XL family of cardiographs is designed for long term reliability The modular design makes extensive use of VLSI and gate array technology resulting in a minimum number of major subassemblies The modular approach means less down time for the user since replacing subassemblies allows quicker field repairs The extended self test efficiently identifies faulty subassemblies further speeding the repair process of February 1992 all new PageWriter XL cardiographs are manufactured to a revised mechanical design specification All units having a serial number prefix of 3208A or later conform to this revised specification This manual describes all specific differences The following paragraphs describe some of the significant options available for the PageWriter XL cardiographs The M1705A Cart provides mobility for the PageWriter XL family of cardiographs The large wheels make the cart easy to move yet steady when in use Slots in the cardiograph s feet and a thumbscrew secure the cardiograph to the cart rails The tray directly below the cardiograph provides storage for acquired ECGs the user s guide and several flexible disks The tray also has molded fittings that accommodate the modem in the M1706A B Telecommunications Package Storage for the power cable is built in and other built in cable retainers hold the patient data cable out of the way T wo compartmented trays provide storage for the pati
122. ear aluminum rail c Slide the door out of the rails and set it aside 3 Lift off the printhead cover as shown in Figure 7 7 As you lift off the cover note how the tabs on the printhead cover interlock with the other plastic parts of the top cover Figure 7 7 Removing the Printhead Cover 4 Remove the four screws that attach the keyboard ground plane to the upper chassis and set the keyboard ground plane aside Callout D in Figure 7 8 shows two of the screws Removal and Replacement 7 9 M1700 24 Figure 7 8 Printer Drive and Keyboard Ground Plane Screw Locations Gear housing screws Motor ground spring Motor ground spring attaching screw Keyboard ground plane screws two of four sos 5 Remove the screw callout C in Figure 7 8 that attaches the motor ground spring to the upper chassis 6 Disconnect the motor and sensor connectors 7 Remove the two screws callout A in Figure 7 8 that attach the plastic gear housing to the cardiograph 8 Carefully pry up the plastic gear housing to free it from the alignment pins on the cardiograph If the gears fall off their shafts refer to the first step in the printer drive replacement procedure later in this chapter 7 10 Removal and Replacement Replacing the Printer Use this procedure to replace the printer drive assembly This Drive Assembly procedure applies to all units To replace the printer drive assembly 1 If necessary reinstall the gears T
123. ears Fails Extended Self test disk drive test Power problems Defective cables plugs Defective disk Defective drive Hardware problems on CPU assembly Unit is jarred while storing to disk Defective disk used for test No disk in drive Disk write protected Wrong disk density Defective cable Defective disk drive Defective CPU assembly Check power supply Check disk drive power cable and plugs Check cables plugs Try known good disk Replace Replace CPU assembly Do not move unit during disk operations while yellow disk drive light is on Replace disk and retry Insert disk in drive and retry Change write protection on disk Use 1 44 MB disk Replace cable and retry Replace disk drive Replace CPU assembly Troubleshooting 6 17 Note 6 18 Troubleshooting Follow these rules to keep your flexible disks and their stored files in good condition Never manually open the silver shutter on the disk Do not expose the disk to direct sunlight extremes of temperature or humidity magnetic fields or dust m Place the disk in a protective cover when the disk is not inside the drive m Store disks in a clean dry place m Clean the disk drive with a wet dry cleaning kit regularly Wet dry cleaning kits are available from local computer stores Clean the disk drive every six months unless the working environment is particularly dusty or dirty Clean the drive more
124. ecessary and to provide printhead voltage to the printer gate array This circuit connects the battery VBAT to VIN when the cardiograph is not connected to AC power This provides power to the 5 and patient module voltage regulators and to the preview power supply The switch which consists of three FETs closes when SWITCHON from the ACON circuit is high diode in the circuit isolates VIN from the battery during printer current surges This circuit generates the SWITCHON signal that controls the battery switch and the CHARGEROFF signal that controls the battery charger When the cardiograph is running on battery power the CHARGEROFF and SWITCHON signals are high which disables the battery charger and enables the battery switch respectively When running on AC power CHARGEROFF and SWITCHON are low enabling the battery charger and disabling the battery switch ACON circuit samples AC voltage directly off of the main transformer secondary rectifies it and compares it to a reference voltage from the backup supply ACON is high when AC power is on ACONLED drives the AC indicator LED on the front panel 5 Backup Supply Low Battery Disconnect Note 5 to Backup Switchover Patient Module Voltage Regulator The 5 backup supply VBACK provides power for DRAM and associated logic when the cardiograph is in Standby When the cardiograph is On and the 5 supply is in operation the backup supply is
125. ect a 3 x 4 3R format with X Y and Z leads as rhythm strips In global configuration change the answer to the VCG question to one of the four possible VCG report formats VCG1 VCG2 VCG3 or VCG4 In global configuration change the answer to the VCG question to one of the four possible VCG report formats VCGI VCG2 VCG3 or VCGA VCG report printing is impossible Analyze the ECG on a cardiograph that is configured for VCG on a cardiograph not configured for recording VCG recording Vectorcardiography M1790A 0 11 Parts List Table D 6 VCG Parts List Software set VCG version 01 00 M1790A M1790 17700 Leadwire set Peds Frank includes 2 Frank leads labels 1717 Shorting plug 1700 47602 D 12 Vectorcardiography M1790A Index 1 1 ECG s Transmitted C 1 5 volt regulator 5 2 5 1 1 A 23 signals 8 AC s power 2 2 accessories cardiograph 1 10 11 AC indicator 2 13 3 3 5 20 7 4 AC on detector circuit 5 20 CONLED signal 5 20 2 AutoDial configuration 2 30 Auto report formats 3 4 rhythm lead selection 3 4 Auto start control 3 3 Index 1 Index 2 backup 5 supply 5 21 battery compartment 2 11 installation 2 11 operation 5 18 7 4 slot 2 12 7 4 ycle output mode 5 18 float output mode 5 18 battery condition 5 18 ow battery disconnect 5 19 ow ba
126. eivers as shown in Figure 5 5 The system memory provides storage for ECG data printer image construction signal processing needs and system software DRAM gate array controls RAM operations including read write and refresh cycles The refresh cycle continues when the cardiograph is in Standby The DRAM gate array also provides the following m watchdog timer shuts off the system after a software selected delay if not reset by software real time counter RT C keeps track of elapsed time since the last RTC reset m Power supply support manages the power on and power off event sequences data transceivers buffer the data on the CPU data bus to provide adequate drive for the RAM array The system memory circuitry remains energized regardless of whether the cardiograph is On or in Standby The only times that power is lost to system memory are when m The battery is not installed and the cardiograph is disconnected from AC power m The cardiograph enters the low battery shutdown condition When all power is lost to system memory its stored data is lost including the configured software This makes it necessary to reload the software from disk The read only memory consists of a 64K x16 EPROM M1700A and M1701A which stores the code that starts the system The M1702A read only memory consists of a 128k x 16 EPROM which stores the cardiograph software 32768 Hz CRYSTAL OSCILLATOR
127. embly Spanish M1700 64748 Key assembly Swedish M1700 64768 Battery assembly lead acid M1721A Battery guide left or right side 1700 47309 Battery shield M 1700 47308 Battery door assembly M 1700 67108 Battery door M 1700 07303 Thuinb screw M1700 27909 C Ring 0510 1205 Cover right side printhead M1700 47204 Left side not shown M1700 47205 Cover top rear M1700A w o preview 1702 M1700 47206 Cover top rear MI700A w preview M1700 47225 Cover front M1700A and MI701A M1700 47207 Cover front M1702A M 1702 47207 Side right lower M 1700 47217 Side left lower M1700 47229 Parts Lists 8 5 8 6 Parts Lists Table 8 2 Main Assembly Parts List Serial Number Prefix 3208A or Later continued Jack nut Diode array and capacitor cable assembly Disk drive M1700A and M1701A Disk logic cable M1700A and M1701A Disk power cable M1700A and M1701A Keyboard cable Fuse battery 8 time delay Line module Voltage selector Fuse holder 2 5 100 120 V Fuse holder 1 6 A 220 240 V Line module fuse 2 5 A 100 120 V Line module fuse 1 6 A 220 240 V AC switch ROM M1700A and M1701A not shown ROM 1702 not shown ROM delete analysis preview option D06 not shown Software set version A 01 02 M1700A Software set version A 01 02 M1701A Software set SAECG version 01 00 1754 Software set version 02 00 Software set version A 0
128. ent module spare patient electrodes and leadwires additional thermal paper consumable supplies and miscellaneous items An optional paper management tray is also available for the 1705 Introduction 1 3 m S 0 1706 Telecommunications Package M1755A A 03 XX Software A 02 XX Software A 01 XX Software Inquiries 1 4 Introduction With the addition of the M1706A or M1706B Telecommunications Package the M1700A can transmit ECGs over telephone lines to another site The receiver at the other site can be Hewlett Packard ECG Management system or another M1700A This feature is not available for the 1701 The M1706A or M1706B Telecommunications Package consists of a Hayes modem a bracket that attaches the modem to the cart a power cable that connects to the modem power outlet on the cardiograph and data cables that connect the modem to the cardiograph and the telephone system Local laws regulations and phone system standards determine the specific type of modem and accessories included and the types of cables included in the M1706A or M1706B Telecommunications Package This software is shipped with PageWriter XLi on a standard basis This revision provides the PageWriter XLi with severity only analysis LaserJet printing option and extended configurable transmission phone numbers This revision includes all A 02 XX enhancements and also provides fax
129. er to M1754A SAECG User s Manual 77 or Z leadwire defective Replace leadwire No SAECG waveforms LA or LL not terminated Install shorting plugs or connect LA and LL to patient M1754A Signal Averaged ECG SAECG System 15 A Parts List Table B 5 SAECG Parts List SAECG patient module 1700 69511 M1700A SAECG patient module IEC M1700 69512 M1700A Patient data cable 2 5 M M1719A Patient data cable 9 0 M M1720A Label for SAECG patient M1700 84589 module M1700A Label for SAECG patient M1700 84590 module IEC M1700A Module end label M1700 84521 Software set SAECG version M1754 17700 01 00 1754 16 M1754A Signal Averaged ECG SAECG System M1756A Direct Digital ECG Fax Introduction Note Y The 1756 option lets the XLi transmit high quality ECGs to any CCITT Group 3 fax machine or to any XLi equipped with direct digital fax The 1756 also enables the XLi to receive fax transmissions from any Group 3 fax machine Fax capability is ideal for transmitting ECGs to sites that do not have a cardiograph or ECG management system Fax modem transmission requires the A 02 XX and higher M1755A software The FAX Modem also functions in place of the M1706A Hayes Modem for standard ECG transmissions Typical fax machines send ECGs by optically scanning a paper copy of the ECG This often produces low quality faxes not alway
130. erial Communications The other important element in the I O control circuitry is the serial communications block shown in Figure 5 7 which provides asynchronous serial communication for direct connect or modem The universal asynchronous receiver transmitter UART circuit provides buffering parity handshake logic interrupt capabilities and parallel to serial conversions for sending and receiving RS 232 data The driver receiver circuit converts serial signals between RS 232 voltage levels and TTL levels BUFFEREO RS 232 DATA CONNECTOR R5 232 DRIVER ENABLES SELECTS RECEIVER SERIAL DATA BAUD RATES INTERRUPTS TO PIC M1700 05 Figure 5 7 Serial Communications Circuitry The digital signal processor DSP assembly consists of a Motorola 560018 digital signal processor and three static RAMs that provide 32K words 24 bits per word of memory Refer to Figure 5 8 The DSP provides a high speed synchronous interface for 24 bit serial data from the patient module and digital filters for ECG data DSP ADDRESS RFE DATA 56001 SER SA SRAM 32K x 24 FROM P M RFE CLK DSP DATA BUFFERED DATA LATCHED ADDRESS INTERRUPT 20 MHz OSCILLATOR 1700 06 Figure 5 8 Digital Signal Processor Block Diagram System Expansion The system expansion connector J12 provides the CPU signals and Connector power sources required by the preview display assembly The pin assignments for this connector are li
131. ess than 300 mV DC offset ECG resolution on paper voltage axis 200 dots in 8 dots mm time axis 500 dots in 20 dots mm at 25 mm s and slower 250 dots in 10 dots mm at 50 mm s 1 6 Introduction Table 1 5 Power Supply and Battery Specifications AC line frequency 50 and 60 Hz 100 V setting 90 110 V AC 120 V setting 108 132V AC 220 V setting 198 253 V AC 240 V setting 216 269 V AC 18 Y DC 6 5 Ahr Battery recharge time from 70 down to 90 capacity 8 hours typical to full capacity 16 hours typical Battery capacity M1700A with preview 30 ECGs 40 typical 30 ECGs 40 typical 20 minutes 30 typical 2 hours 3 typical without storage with storage continuous rhythm Manual mode continuous idle Battery capacity M1700A without preview 50 ECGs 70 typical 45 ECGs 60 typical 30 minutes 40 typical without storage with storage continuous rhythm Manual mode continuous idle Battery capacity 1701 without storage 4 hours 6 typical 55 ECGs 75 typical 50 ECGs 70 typical 30 minutes 40 typical 4 hours 6 typical 55 ECGs 75 typical 30 minutes 40 typical 4 hours 6 typical with storage continuous rhythm Manual mode continuous idle Battery capacity M1702A continuous rhythm Manual mode continuous idle Battery life AC and battery operation
132. est name in the display Printing the Error Log As errors occur they are stored in memory in the error log Pressing the ErrorLog softkey prints the stored error log While the error log is printing the message Printing error log appears on the keyboard display When the printout is complete you can select another test from the Extended Self test menu To understand the error printout refer to the error lists in Chapter 6 Troubleshooting Store the error log printout with the cardiograph s permanent maintenance record Performance Verification and Maintenance 4 7 362689 11 39 1989 01 44 55 PM Charles Ullyses Farley University Medical Center Su A A v A A tl 25 majsec mo mV Haly V 50 0 5 4 Hz 12345 0001 Figure 4 1 12 1 ECG from ECG Simulator ECG Simulation Taking an ECG using a 12 lead ECG simulator allows you to verify areas of operation that Extended Self test cannot test m the integrity of the patient module leadwires m the accuracy of the paper speed m the accuracy of the gain settings The recorded ECG trace should look similar to the one shown in Figure 4 1 although there will probably be differences in the trace you record The trace differences result from differences in simulators simulator settings and more importantly from differences in configuration and control settings on the cardiograph To make a recording similar to the one in Figure 4 1
133. g Battery charge level indicator not fully charged never indicates full capacity Battery is defective Replace battery Keyboard circuit board is defective Replace the user interface assembly Battery fuse F2 or VIN fuse F1 or both defective Battery charger is defective CPU assembly is defective Indicator is not updated Replaces fuse s Replace CPU assembly Replace CPU assembly Connect to AC power and power on Replace user interface assembly if Extended Self test keyboard test shows LED is out Replace battery Battery charge level indicator Keyboard circuit board is defective always indicates full capacity on power with battery Battery is defective Battery fuse F2 is open Replace fuse CPU assembly is defective Replace CPU assembly 1 Only the M1700A and M1701A patient modules feature a display and 89 start button Note 6 10 Troubleshooting When dealing with noise problems remember that most noise is the 4 result of faulty operator technique or poor quality electrodes If noise persists after checking the electrode placement and other elements of operator technique the noise may be the result of faulty leadwires Only when you eliminate technique and leadwires as the causes of the noise should you consider replacing the patient module Note Tip 1 leadwire status indicato
134. g solutions listed above Avoid the leadwire inputs and cable connections Caution p Do not use any strong solvents or abrasive cleaning materials Do not spill any liquids on the surface of the cardiograph Do not immerse the patient module Do not use any of the following to clean the cardiograph Ammonia based cleaners Acetone lodine based cleaners m Phenol based cleaners m Ethylene oxide sterilization ETO a Autoclave Cleaning the Keyboard 1 Carefully insert a small flat bladed screwdriver into the notches at the top or bottom edge of the keyboard and pry the keyboard up 2 Rinse off the keyboard and thoroughly dry it 3 Snap it back into the cardiograph Caution Do not wash the keyboard in hot water Do not attempt to clean the keyboard in a dishwasher 4 10 Performance Verification and Maintenance Cleaning the Printhead and Paper Sensor If you use Hewlett Packard recording paper you should not have to clean the printhead for the life of the product Should you decide to do so this is the procedure to follow These are the materials required Foam swabs Hewlett Packard part number 9310 0468 or 9300 0767 9096 Isopropyl Alcohol Hewlett Packard part number 8500 0559 or equivalent Dry lint free tissue Kimwipes or Hewlett Packard lint free wipes Hewlett Packard part number 92193W To clean the printhead 1 From the front of the cardiograph unlatch and open the paper door The pr
135. h patient module 4in x 5 in x 1 5 in 10 11 cm x 12 7 cm x 3 81 cm cardiograph 15 5 in x 22 25 in x 5 5 in 39 37 cm x 56 5 cm x 14 cm cart 33 37 in x 17 12 in x 36 0 in 84 76 cm x 43 48 cm x 91 44 cm Weight patient module 15 oz 425 25 g or less cardiograph 46 Ibs 20 87 kg or less includes battery and preview display cart 38 Ibs 17 24 kg or less Connector life patient module 350 cycles insertions RS 232 350 cycles insertions Chemical resistance cleaners Withstands the following isopropyl alcohol except leadwires and patient data cable mild soap and water chlorine bleach and water 30 ml l of water Table 1 2 Patient Module Specifications Gain accuracy Patient isolation risk currents Crosstalk rejection Calibration signal 1 mV 2 after processing i Introduction 1 5 Table 1 3 SAECG Patient Module Specifications Resolution 5 after processing in standard mode 1 22 V after processing in high resolution mode Table 1 4 ECG to Paper Specifications Parameter Specification Frequency response Auto ECG 3 dB down at user selectable 0 05 150 Hz 0 15 150 Hz 0 5 150 Hz 0 05 100 Hz 0 15 100 Hz or 0 5 100 Hz 0 15 40 Hz 0 5 40 Hz Manual ECG 3 dB down at user selectable 0 05 40 Hz 0 05 150 Hz 0 5 40 Hz 0 5 100 Hz 0 05 100 Hz SAECG 3 dB down at user selectable 25 300 Hz 40 300 Hz 80 300 Hz power line 115 dB rejection at 50 or 60 Hz with l
136. halts the test and a message indicating the failure appears on the keyboard display In the case of the tests that require visual verification visible failure symptoms appear in the printed or displayed test pattern See the Troubleshooting section for a list of self test failure messages and failure symptoms To begin the Extended Self test press to turn on the cardiograph then quickly press and release the and x keys simultaneously The following display will appear Test 11 Select Test Next Previous ErrorLog upper line displays the test choice while the lower line displays the softkey labels With the softkeys you step through the test menu select tests and initiate testing Select Selects the test displayed in the message line Asterisks appear around the test name to indicate its selection If the test 15 already selected pressing this key de selects the test the asterisks disappear You can select one or more tests in any combination but the sequence is fixed Test Begins running the selected test s Next Steps forward through the test menu Previous Steps backward through the test menu ErrorLog Prints out the stored error log stop or exit Extended Self test you must press to place the cardiograph in Standby M1754A Signal Averaged ECG SAECG System 11 These are the tests available in Extended Self test m Patient module and cable CPU assembly m Printer Disk drive M1700
137. hat connect the top cover assembly to the CPU assembly 9 Lift the top cover assembly out of the way and set it aside 7 18 Removal and Replacement PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use this procedure to open and remove the top cover assembly open the top cover assembly 1 Disconnect the AC cord 2 Turn on the cardiograph and remove the battery while the cardiograph is on This discharges the rectifier assembly in approximately 20 seconds 3 Remove the PageWriter from the cart and place it on a suitable work surface Warning When the cardiograph is connected to AC power there are dangerous voltages on the line module terminals even when the AC switch is off When the AC switch is on there are also dangerous voltages on the terminals of the mains transformer If you must have the AC power connected while the cardiograph is open do not touch any of the exposed connectors The rectifier assembly capacitors store hazardous amounts of energy during AC and battery operation Be careful not to touch any of the exposed capacitor connections 4 Remove the seven screws from the rear panel as shown in Figure 7 14 Figure 7 14 Opening and Removing the Top Cover Assembly 5 Slide the top cover forward about 1 inch then carefully lift it straight up until there is enough clearance to tilt the left side up Removal and Replacement
138. he gears are arranged on the shafts in the gear housing as shown in Figure 7 9 Each gear has a number molded into it That number corresponds to a number molded into the gear housing next to the appropriate shaft Insert gears with molded numbers facing up e M1700 20 Figure 7 9 The Printer Drive Gears 2 Press the gear housing onto the alignment pins 3 Reinstall the two gear housing screws 4 Reconnect the motor and sensor connectors The motor ground spring callout B in Figure 7 8 and the motor ground spring attaching screw callout C were not included on units having a serial number prefix of 3208A and may be left off Note x 5 On models having a serial number prefix prior to 3208A reinstall the motor ground spring and its attaching screw and reinstall the keyboard ground plane 6 Reinstall the printhead cover 7 Reinstall the printer door and the retainer clip 8 Reinstall the user interface assembly and the keyboard Removal and Replacement 7 11 Preview Screen This section describes how to remove and replace the preview screen m Assembly assembly i Note 4 PageWriters having a serial number prefix of 3208A or later have E new design that allows easier component level repair of the preview screen assembly Removing the Preview procedure you will use depends on the serial number prefix of Screen Assembly the unit you are servicing Make sure you use the correct procedure fo
139. heart The VCG application requires the use of three orthogonal leads X Y Z The PageWriter XLi cardiograph s patient module can be set up to use Frank leads which provide the X Y and Z leads If the X Y Z leads were connected when the ECG was acquired and one of the VCG report formats was configured a one page VCG report will be printed immediately after the ECG report any time an is printed on the cardiograph One of the following Auto ECG report formats must be selected in order to record a VCG 3x4 1R configured with an X Y Z rhythm strip 3x4 3R configured with X Y Z rhythm strips The M1730A TraceMaster ECG Management System does not print a VCG although you can store VCG data to the system from a disk Research has shown that VCGs offer incremental diagnostic value over conventional 12 lead ECGs in the areas of atrial enlargement right ventricular hypertrophy and in the recognition of certain infarctions Vectorcardiography M1790A 0 1 Installation and Configuration Setting Up the Patient Module VCG recording requires that you use the Frank lead set in addition to the standard 12 lead set to obtain the VCG from the patient The following information describes how to set up the patient module and attach leads to the patient for VCG recording To set up the patient module perform the following steps 1 Turn off the cardiograph 2 Replace the four shorting plugs on the patient module with F
140. ical Center BP 140 90 Depi Emer Ral Room 323A Oper JTB 200 lbs 74 105 Temp 98 6 Ins 213 444 65596 Requested Dr Keating PRELIMINARY MD MUST REVIEW EO I I50N Hzc W Figure 3 2 An Auto 3x4 ECG 3x4 36268974 04 23 1990 12 11 01 PM Charles Farley University Medical Center 43 years Male White 200 Ibs 74 ins BP 140 90 Dept Emer Ral Lidocaine Room 323A Hypertensive HD Oper JTB Temp F 98 6 los 213 444 65596 Requested by Dr Keating PRELIMINARY MD MUST REVIEW dire LOC 12345 0001 Speed 25 mm sec Limb 10 om av Chest 5 am nV FO 15 150VHz W 708 00016 Figure 3 3 An Auto 3x4 ECG With Three Rhythm Strips 3x4 3R Operation 3 7 362689 02 01 1990 01 44 55 PM Timothy Robert Heathrow University Medical Center 43 years Male White 200 Ibs 74 105 BP 140 90 Dept Emer Lidocaine Room 323A Hyperteastre HD Oper ITB Temp F 98 6 Insur 213 444 65596 Requested by Dr Gregory 25 mm sec 5 mm mv Ii F 604 0 5 40 Hz W el a ae dedi Pu de e e de e pr hr pb e vt di de ob de be da 12345 0008 Figure 3 4 A Manual 6 Lead ECG 3 8 Operation 513431735 01 03 1992 09 35 08 AM Lawrence Edward Evans 6 years Male Comments Complaining of chest pain of 2 47 LE236523 FIL Number of beats 294 Final noise 0 300 High pass rcq
141. icient memory M1700A software loaded into an MI701A Note 6 8 Troubleshooting Table 6 2 Power Supply and Battery Symptom Corrective Action Message No battery Load Battery not installed Install the battery then try turning on battery Cardiograph won t the cardiograph turn on One or more power supply Defective regulator circuit s Replace CPU assembly voltages missing see Testing the Power Supply at the end of this chapter AC indicator not lit Plug in power cord Turn on AC switch Replace AC fuse Plug in ACON connector Replace cable Power cord unplugged AC switch is off AC fuse is blown ACON connector not plugged in Bad user interface cable Replace user interface assembly Plug in VMAIN connector Bad keyboard circuit board VMAIN connector J6 not plugged in on CPU assembly VBACK or VBAT regulator defective VMAIN or VIN not present Replace CPU assembly Check for VMAIN and VIN on CPU assembly see Testing the Power Supply at the end of this chapter If only VIN missing replace CPU assembly If both missing replace rectifier assembly Cardiograph doesn t run on Low battery or defective battery Charge or replace battery gra E battery but runs on Battery fuse F2 is blown Check for VBAT and VBAT on CPU assembly Replace fuse if VBAT is not
142. icro potentials not detected by conventional SAECG filtering techniques The SAECG application requires the 02 and higher M1755A software The SAECG Patient Module also acquires standard 12 lead ECGs The SAECG application cannot reside on the cardiograph with the VCG application The SAECG software uses an XYZ lead configuration to acquire and average about 200 heartbeats Averaging these beats allows the physician to determine whether micro potentials exist following the QRS These micro potentials can indicate if the patient is at risk of sudden death from ventricular arrhythmia The M1754A System consists of a software disk and a high resolution patient module The system is easy to learn and use and provides full signal averaging capability while eliminating the need for dedicated SAECG equipment The SAECG System continuously displays real time waveforms averaged waveforms and noise level information on the XLi cardiograph s preview screen The system provides three user selectable high pass filters 25 40 and 80 HZ and allows you to select either number of beats or noise level as the termination criteria The system also allows you to adjust QRS onset and offset in all filtered leads and final vector composite and automatically displays all QRS templates for verification An adjustable template window lets you perform P wave averaging and HIS bundle analysis A patented BiSpec filter provides undistorted detecti
143. ient lead leakage current sink current with line voltage applied Perform these tests as part of your preventive maintenance program and after any corrective maintenance to assure compliance with the named standards To perform these tests use a safety tester or analyzer designed specifically for this purpose Follow the manufacturer s operating instructions Performance Verification and Maintenance 4 13 PageWriter XL Model number Performance cuba E Test technician ecklis Visual Inspection Disconnect the cardiograph from AC power and inspect for the following Loose or missing hardware Frayed or damaged wiring Mechanical damage Evidence of liquid spill Printer drive gear wear Printer roller wear Wear or damage to power cord and associated strain relief Corroded or damaged electrodes Damaged leadwires or patient module cable Dirt on the thermal printhead ETE E Connect the cardiograph to AC power and turn on the AC switch Verify the following 1 The AC indicator is lit One or more green battery indicators are lit when On Standby is pressed to turn on the cardiograph Extended Self test Run Extended Self test select menu choice and verify that each test passes with no errors Patient module and cable CPU assembly Printer Disk drive writable disk must be in drive M1700A and M1701A only Preview display M1700A only de select test if not installed Keyboard dis
144. ing ECG appears while the ECG is being stored Then the display returns to the main menu If the disk you inserted in the drive is new and unformatted the cardiograph will ask if you want the disk formatted Press Yes if you do formatting takes about 90 seconds or insert a formatted disk in the drive at this time A disk must be formatted for storage to take place The A 02 XX and higher software allows you to erase reformat flexible disks by using CheckDisk see below This function allows you to configure the PageWriter See Chapter 2 for details A 01 XX Software With the A 01 XX software CheckDisk allows you to determine how much storage capacity remains on the disk When you press CheckDisk a message similar to the following appears in the display Disk 25 full A 02 XX and Higher Software The A 02 XX and higher software enables CheckDisk to reformat flexible disks as well as determine how much storage space is available on the disk When you press CheckDisk the message Reading the disk appears followed by a second message that shows the percentage of storage space available on the flexible disk For example you may see a message such as Disk 25 full Erase Exit If you want to reformat the disk press Erase Files This key gives you access to several functions that allow you to M1700A amp M1701A only manipulate the stored ECGs in a variety of ways When you press this key this menu appe
145. ing environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments disks regularly The recommended replacement interval is every three months If the disks are used for more than 50 ECGs per day replace the disks more frequently m For best results use only Hewlet Packard recommended disks HP part number M1700 89004 more information contact your Hewlett Packard service representative 4 12 Performance Verification and Maintenance Caution Cleaning the Electrodes Leadwires and Patient Data Cable Clean the electrodes leadwires and patient data cable with a soft cloth moistened with soapy water You also can use a disinfectant or cleaning agent such as Cetylcide Cidex Lysol Wescodyne or Ves phene 8 Wring any excess moisture from the cloth before cleaning m Do not autoclave cable or use ultrasonic cleaners m The leadwires and patient module cable are not immersible m Do not use abrasive materials to clean metal surfaces scratches on electrodes cause artifacts Safety Tests safety tests listed below are performed at the time of manufacture to assure compliance with these standards IEC 601 1 IEC 62D CO 17 UL 544 and CSA 22 2 No 125 Chassis to ground resistance Ground wire leakage current Enclosure leakage current Patient lead leakage current source leakage to ground Leakage current between patient leads Pat
146. inthead is to the right under the paper blade behind the ESD brush see Figure 4 2 2 Scrub the printhead with a foam swab moistened with isopropyl alcohol 3 Dry the printhead with a lint free tissue To clean the paper sensor lens 1 From the front of the cardiograph unlatch and open the paper door The paper sensor lens is to the right under the printhead see Figure 4 2 2 Lightly wipe the paper dust off of the paper sensor lens with a dry foam swab Figure 4 2 Cleaning the Digital Array Printhead A Printhead B Paper Sensor Performance Verification and Maintenance 4 11 Maintaining the Flexible Disk Drive Follow these rules to keep your flexible disks and their stored files in good condition m Never manually open the silver shutter on the disk Do not expose the disk to direct sunlight extremes of temperature or humidity magnetic fields or dust Place the disk in a protective cover when the disk is not inside the drive m Store disks in a clean dry place Clean the disk drive with a wet dry cleaning kit regularly Wet dry cleaning kits are available from local computer stores Clean the disk drive every six months unless the working environment is particularly dusty or dirty Clean the drive more often in dusty or dirty environments TraceMaster ECG Management System users If you transfer ECGs to the TraceMaster System by disk clean the TraceMaster drive every six months unless the work
147. ion and Configuration Table 2 4 Site Transmission Configuration Setting Choices Programmable Modem 1200 for Hardware Dial Type Tone Tone is for audio tone dialing pulse is for Pulse rotary dial system Connection None Direct Hard wire connection to receiver Programmable Modem The Hayes M1706A modem Hardware Modem Not supported Fax programmable modem 02 and higher software using M1756A modem 03 3 and higher software using M1706B modem LaserJet A 03 XX software Modem and 19200 for LaserJet This parameter does not appear if you select None Pause Length Seconds 2 4 6 8 10 secs See explanation following this table Print grid on report A 03 XX software only No Baud Rate Defaults 9600 for Direct 2400 for as the connection type 1 This parameter appears only when the Programmable Modem is selected as the connection type Programmable Modem and Fax Phone number Blank field phone number 36 characters max See explanation following this table 2 This parameter appears only when Fax Programmable Modem or LaserJet is selected as connectin type Entering the Phone Number When you advance to the phone number parameter the Phone number prompt appears on the display followed by an underscore cursor Two additional softkey labels Pause and Tone W also appear To enter the phone number type the numerals on the keyboard The number
148. isk drive M1700A and M1701A only Preview display M1700A only m Keyboard display Modem and cable M1700A only m Fax modem M1756A only Instructions for entering and using Extended Self test are found in Chapter 4 Performance Verification and Maintenance 6 4 Troubleshooting The messages the following list are Extended Self test s failure messages If a subassembly test fails the failure message for that subassembly appears in the keyboard display The message remains there until you set the cardiograph to Standby or it shuts itself off to preserve the battery Because the keyboard display is tested entirely with a test pattern there is no failure message for the keyboard display test Test pattern errors must be visually detected while the test patterns are displayed This is also true for the test patterns displayed on the preview screen the patient module display and the printer m Patient module test failed m Patient module cable test failed m CPU assembly test failed m Printer test failed m Disk drive test failed m Preview test failed m Modem test failed 77 Troubleshooting Tables The troubleshooting tables in this section help you to localize a fault and correct it The troubleshooting flowchart in Figure 6 2 guides you to the troubleshooting table that covers a particular functional area of the cardiograph Table 6 1 lists errors that can occur only during th
149. k leaf spring for printhead platen pressure door latch Check for proper paper Replace printhead assembly Defective printhead or printhead cables Defective component in printer Replace CPU assembly circuitry Selector 51 on CPU set incorrectly Set selector S1 correctly refer to Chapter 7 Printed data is garbled Defective printhead Replace printhead assembly 1 Check printhead cables 2 Replace CPU assembly Defective component in data path Poor print quality or some Dirty printhead Clean printhead dots not printing Loose ESD brush fibers Remove loose brush fibers and clean printhead Correct cable dress so that printhead assembly moves properly Incorrect printhead or sensor cable dress Defective printhead or printhead cables Replace printhead assembly Defective component in printer Replace CPU assembly circuitry Some dots always on Defective printhead Replace printhead assembly Printing is dark on one side of Printhead is not free to float and Correct binding condition page but faint on the other provide even uniform pressure Replace printer door side distribution across platen roller Replace printhead assembly 6 16 Troubleshooting Table 6 6 Disk Drive M1700A and 1701 only Symptom Corrective Action Disk drive inoperative Error message Try new disk app
150. language See Table 1 8 which shows the configuration of each country option ABA North American English Version ABB European English Version ABC French Canadian Version ABD German Version ABE Spanish Version ABF French Version ABG Australian Version ABH Dutch Version ABK Intercon English Version ABM Latin American Version ABS Swedish Version U K Version ABZ Italian Version AB4 Singapore Version ACF Japanese Version ACQ South African Version AKM Chinese Version AKV South American Version Delete Options DOL Delete preview display M1700A only 02 Delete cart M1700A M1701A only the 1702 is shipped without a cart D03 Delete standard AHA patient module D04 Delete standard IEC patient module D05 Delete interpretation from the M1700A D06 Delete interpretation and preview from the 1700 Cable Options Cable options are applicable to the M1700A only J01 Direct transmission cable 24542M J02 ECG WorkStation adapter 92224F Introduction 1 9 1 10 Introduction Supplies Accessories Options aa A04 Add paper tray to M1705A cart M1705 89500 K01 Extra leads kit Frank pediatric research leads M1717B K02 9 meter patient data cable M1720A Extra paper 8 5 11 1 case 1600 sheets M1707A K04 Extra A4 paper 1 case 1600 sheets M1709A K05 Dust cover M1700 87600 K06 Extra disposable electrodes 6 boxes each of 13943B 1000 box 1 set 13946A electrode adapters included
151. ling for Hayes Modem Transmission Only Table 8 12 Hayes Modem Cable Parts List No 2 2 8 8 Hayes Optima 288 Modem Power Cable M1706 61620 Phone Line Cables US 8120 3395 French 1706 61632 Dutch M1706 61633 UK M1706 61634 Italian M1706 61635 3 Data Cable M1706 61630 Parts Lists 8 25 eo Figure 8 11 Cabling for Hayes Modem and Direct Connect Quick Connect Transmission Table 8 13 Hayes Modem and Direct Connect Cables Parts List Ref Description Part No No 1 T a Hayes Optima 288 Modem Power Cable M1706 61620 2 3 Hayes Quick Connect Cable M1706 61637 M1706 61636 cable functions as a direct connect cable when Note 83 separated from the 1706 61637 8 26 Parts Lists 92909 11 Figure 8 12 Cabling for LaserJet Printing Table 8 14 LaserJet Cable Parts List PageWriter XLi cardiograph LaserJet Printer HP LaserJet Printer Serial Interface Port Serial Data Cable 24542G Parts Lists 8 27 Connector Pin Assignments The tables in this appendix list the pin assignments for each connector on the CPU assembly and the preview display boards Following each table is a dictionary of the signal names listed in the table Signal names that begin with a lowercase n are active low signals NC means no connection to pin Refer to Figure 5 2 and Figure 5 12 to see how the system interco
152. mary computer generated interpretation and interpretive reason statements Extend Prints a tabular summary of all measurements Measure performed on ECG data An alternative report Choice Allows you to select the level of information included when an ECG is copied or printed from disk without having to change the overall instrument configuration Power on Application M1755A A 02 XX and Higher Software Only To select which application XLi Preview Plus or SAECG the PageWriter will start up with set the Power on application parameter to that application Line Frequency This parameter selects the frequency of the filter enabled by the line power filter The user usually selects the frequency in response to a prompt from the system during initial installation However the system will not prompt for a frequency selection when a custom configuration is loaded Including this parameter in Global configuration allows the user to change the frequency selection after initial software installation 2 24 Installation and Configuration Custom Lead Groups Besides the pre defined lead groups you can configure one group of three leads and one group of six leads that may be selected for Auto 3x4 3R Manual 3 or Manual 6 reports These lead groups will appear and be recorded when you select Custom 3 lead group and Manual 6 lead reports from the main display 1 Configure custom lead groups from global configuration when
153. mats Manual Forinats The Auto Formats are in row by column format R means rhythm strips Leads For an Auto report 3x4 3R and 3x4 1R only this key selects the set of leads used for rhythm strips For a single rhythm strip 1R you select any one of the twelve leads the default lead is I For three rhythm strips 3R the lead sets available are I II III m aVR aVL aVF a V2 V3 V4 V5 V6 a Custom Default I aVF V2 For a 3 or 6 lead Manual report this key selects the set of leads used 12 lead reports automatically use all 12 leads The selections for the 3 lead set are the same as for the 3R sets listed above The selections for 6 lead sets are I II IIT aVR aVL aVF u V1 V2 V3 V4 V5 V6 a Custom Default 1 2 4 6 You can change power on default leads in Global Configuration The lead selections listed above are for the Standard configuration If the cardiograph is configured for Cabrera leads the lead selections that appear will be different Also if pediatric Frank or research leads are connected in place of standard leads the cardiograph detects their presence and alters the displayed lead sets accordingly Operation 3 5 36268974 Rx Lidocaine Dx Hypertensive HD LOC 12345 0001 3 6 Operation 04 23 1990 43 years Male 12 07 53 PM Charles Farley White Speed 25 mm sec Limb 10 mm nV Chest University Med
154. module operates as described Module The Standard Patient Module to acquire classical ECGs In SAECG mode the SAECG patient module operates as in standard mode except for the following The module collects data from 6 electrodes m The multiplexors sample the data twice in each sampling period giving a functional sample rate of 8 kHz instead of 4 kHz SAECG mode increases amplifier gain and analog to digital conversion resolution by a factor of approximately 4 1 This provides better signal resolution and reduces system noise You can use SAECG mode with all four limbwires RA LA RL LL attached However you will get better results if you attach only RA and RL and insert shorting plugs in LA and LL This is because the common mode rejection performance is enhanced if the LL and LA inputs have shorting plugs installed The SAECG software does not include line frequency rejection since the signals of interest are smaller than in standard mode common mode rejection becomes critical e Figure B 4 shows a block diagram of the SAECG patient module s circuitry M1754A Signal Averaged ECG SAECG System B 13 M CLOCK MUX A 3 ADDRESS P M CAL CONTROLLER VOLTAGE ANALOG GROUND A D er PE GAIN CONTROL 3 ADDRESS START BUTTON ANALOG GROUND QRFEDATA SOARS FEQCLK LCD DISPLAY loy E QRFEDATA RFEQDATA FEQCLK SUPPLIES OPTIONAL SEE TEXT
155. n and Maintenance All Tests The All test choice allows you to select all the tests with one keystroke Then when you press Test Extended Self test continuously runs all of the individual tests in sequence At the end of each successful pass through the test sequence the number in the message Selected tests passed nnnn times is increased by one If one of the selected tests fails testing stops and the failure message for the failed test is displayed until the cardiograph is placed in Standby or shuts off due to a low battery Before you press Test to start the All selection delete any tests that would cause a false failure indication The tests that fall into this category are the disk drive test 1700 and M1701A only delete if you do not have a disk suitable for testing Testing the disk drive with a write protected disk or without a disk installed will cause the test to fail 3 the preview display test M1700A only delete if the M1700A does not have a preview display installed The test will fail if a preview display is not installed the modem test M1700A only delete if the M1700A does not have a modem installed The test will fail if a modem is not installed If you want to delete one or more of these tests after selecting All you can move through the list and press Select to remove any test from those selected When you delete a test the asterisks disappear from around the t
156. n display Defective preview logic board Replace board Defective CPU assembly Replace CPU assembly Table 6 8 Keyboard and Keyboard Display LCD Symptom Corrective Action Display stays blank Contrast or brightness misadjusted Adjust contrast or brightness No 5 volts due to defective interconnect cable Replace cable assembly Test power supply Defective LCD assembly Defective 5 volt regulator in main power supply Replace user interface assembly Replace CPU assembly Interconnect cable unplugged or Reconnect or replace cable defective Keys won t work Unable to enter data or operate controls Keyboard circuit board defective Replace user interface assembly CPU assembly defective Replace CPU assembly 6 20 Troubleshooting Table 6 9 Transmit and Modem Symptom Corrective Action Message Data transmission abnormal termination Message ERROR 153x Remote site failure Message No answer at site Extended Self test modem test failure Unable to transmit or receive Modem passes Extended Self test Error 1540 Error 1541 Covers errors 1532 1533 1534 1536 and 1537 The remote site is terminating the link and has sent the message to inform the local user Cabling problems between modem and cardiograph Telephone line or telephone cable defective RS 232 cable not plugged in or defective
157. ndard and 2 interactive interactive query is only available with A 02 XX and higher software In standard query text reports analysis only are queued at the system for output to the cardiograph Only diagnostic and extended measurement reports can be sent in standard query In interactive query the cardiograph user selects the ECG to receive A single patient s ECG report and waveform can be retrieved from the system this way by answering yes to the question Select an on line report Operation 3 11 Store M1700A amp M1701A only Note Config CheckDisk M1700A amp M1701A only 3 12 Operation Revision 02 and higher software enables the M1700A to transmit Auto 6x2 ECGs to the ECG management system Exit Returns you to the previous menu This key stores the current Auto ECG on the disk Manual ECGs cannot be stored An ECG must have a patient ID number before it can be stored If the ECG to be stored has no patient ID when you attempt to store it the cardiograph asks if you want to give it one If your answer is No the cardiograph aborts the store attempt and returns you to the alternate main menu If your answer is Yes the cardiograph takes you through the patient ID entry process as if you pressed the key on the front panel Once you enter a patient ID and exit the patient ID entry process the cardiograph stores the ECG on the disk The message Stor
158. nder Special applications change the answer to the Research leads question to No to enable Frank leads Turn the cardiograph off and on again Extra lead labels V4R and V7 instead of X Y and 7 appear The Frank lead wires are not Be sure that all Frank lead wires on the cardiograph s display D 10 Vectorcardiography M1790A correctly plugged into the patient module The H slot contains a shorting plug are correctly plugged in Be sure that all of the other leads are plugged into the patient module and that no shorting plugs are installed Turn the cardiograph off and on again Table D 5 Troubleshooting continued No VCG report is printed and the message Defective VCG data appears briefly on the cardiograph s display The Electrode off message appears on the Auto ECG report No VCG report is printed after the 12 lead Auto ECG report No report is printed from the stored VCG file One or more X Y Z leads are missing or the ECG line is flat Incorrect 12 lead Auto ECG report format selected VCG report format not selected to enable VCG printing VCG format was not selected to enable VCG printing No X Y or Z lead ECG data has been recorded X Y Z data was recorded in special mode 500 samples second Be sure that all Frank lead wires are correctly plugged into the patient module Select either a 3 x 4 1R format with an X Y or Z lead as rhythm strip or sel
159. nnector are listed in Appendix A Connector Pin Assignments The converter is of the buck boost type It is actually a buck rectifier connected to a boost step up regulator so that the output voltage can be higher or lower than the input voltage Two circuits provide current limiting One limits charging current to the battery to 1 7 amps average The other current limit circuit limits the charger output current to a peak 5 amps This has two purposes m To limit peak current during power on and power off To limit peak current from the battery charger during printer power on When the printer turns on it can draw peaks of current as high as 20 amps The battery and battery charger provide this current This current limit circuit helps prevent overstressing the switching FETs There are two output voltage modes cycle and float The charger enters cycle mode when the charging current exceeds 400 to 700 mA In cycle mode the output voltage is fixed at approximately 21 to 22 volts The charger enters float mode when charging current is less than 400 to 700 mA In float mode the output voltage varies inversely with battery temperature The charger determines temperature by measuring a voltage across a thermistor in the battery Battery Operation and Condition When operating on battery power the cardiograph software monitors the battery and displays the amount of charge remaining on the front panel battery indi
160. nnects CPU Assembly Connectors Note Refer to Figure 7 20 for the CPU assembly connector locations The system s 5 V power supply is divided into several circuits each of which is passively filtered for EMI Therefore the 5V signal shown in the pin assignment tables does not always represent the same filtered 5 volt circuit Connector Pin Assignments 1 Table 1 Keyboard and Keyboard Display LCD Connector J1 Note Y Pin Signal Signal GROUND 24 LCDDATA 4 13 el The connector listed in this table is shared by the keyboard and the keyboard display Pins 1 11 serve the keyboard while pins 12 26 serve the keyboard display All of the signal lines except ground are filtered before they pass through this connector Signal ACONLED KBD RESET KRX KTX LCDDATA LCDE LCDRS LCDRW nONKEY VLCD A 2 Connector Pin Assignments Definition AC on LED Drives the AC indicator LED on the keyboard Keyboard controller reset Keyboard receive data from the CPU assembly Keyboard transmit data to the CPU assembly Eight data bits for keyboard LCD LCD Enable active high Control that identifies data as display or instruction LCD Read Write control read high write low Signal generated by key active low Initiates the DRAM gate array during power up Contrast voltage to the keyboard display LCD Table 2 Printhead Logic Conne
161. nsistent print quality for all four patterns constant width for all four patterns visible separation between the close parallel lines accurate rendition of all characters clean black bars with no dropout in black areas perforation aligned with tear bar If the printer assembly fails the test not including the visual verification of the printout the message Printer test failed PON appears on the keyboard display Disk Drive Test M1700A and M1701A only Caution This test destroys any data previously recorded on the disk Be sure that any data on the disk is expendable or use a blank disk The disk drive test formats writes to and reads from a disk installed in the drive When you select the disk drive test the following display appears requesting confirmation of the selection Disk test destroys disk data Select Yes No Yes Allows the test to be selected No Prevents the test from being selected Suggestion R Clearly label and set aside a test disk to help avoid the possibility of 83 accidently destroying valuable data If the disk drive fails the test the message Disk drive test failed appears the keyboard display 4 4 Performance Verification and Maintenance Note Note Y 5 The disk drive test will fail if the disk is write protected or if the test is started when there is no disk in the drive Preview Display Test M1700A Only The preview display test checks the preview logic board
162. nsity on the circuit boards Unauthorized component replacement can impair cardiograph performance and jeopardize credit towards replacement assembly Test Equipment The following test equipment is required to troubleshoot the cardiograph as described in this chapter m A digital voltmeter such as the Hewlett Packard E2373A hand held multimeter m 12 lead ECG simulator m blank 1 44 Mb disk not needed with M1702A Troubleshooting 6 1 m UEME 7277 The Error Log Clearing the Log 6 2 Troubleshooting All events that produce displayed errors place those errors into the error log this does not include power on errors or operator error messages such as an out of paper message The error log can be printed by entering Extended Self test and selecting the ErrorLog key as explained in Chapter 4 printed error log includes four fields for each logged error see Figure 6 1 Error error code Useful in diagnosing what is happening in the cardiograph Frequent errors of the same type are indications of a problem especially if they are logged close together in time Date The date the error occurred as set on the cardiograph Time The time the error occurred as set on the cardiograph Status This field is reserved for factory use It may help factory personnel assist on very difficult problems The error log lists the 100 most recent events
163. nthead heat sink VREF25 VBATMEAS THERMAL PRINTHEAD VPRINT TRANSPORT PRINTHEAD CODE PAPER DETECTOR NOBATT PRNTON M1700 08 Figure 5 11 Printer Block Diagram Theory of Operation 5 23 The Preview Display Y Note 5 24 Theory of Operation The preview display is available only on the M1700A The preview display consists of three subassemblies m The preview logic board The preview power supply board The preview LCD The preview logic board connects to the system expansion connector on the CPU assembly The three subassemblies then connect to each other as shown in Figure 5 12 Pin assignments for the preview display connectors are listed in Appendix A 1700 09 Figure 5 12 Preview Display Subassembly Connections Preview Logic Board The preview logic assembly is diagrammed in Figure 5 13 The buffers reduce loading on the CPU address data and system control lines and ensure proper logic levels and transitions for the preview logic circuitry The address decoder determines whether the system has access to the LCD static RAM SRAM or the LCD controller Upon recognition of the proper addresses the decoder generates control signals that provide the following read write access to the LCD bit map stored in static RAM SRAM for display data reads and writes m write only access to the LCD controller s internal control registers for I O register writes usually don
164. nu will appear Configuration Global ID Transmit Files Exit 3 Press Global for global configuration selections 4 Select the VCG choices as shown in Table D 3 5 Press Exit twice when you have finished configuring your cardiograph Table D 3 lists global configuration parameters and choices you need for VCG recording Vectorcardiography M1790A 0 3 Table D 3 Global Configuration Fields Special applications Yes Research leads No Select No to enable Frank leads ECG storage mode Standard 250 samples second Special is the preferred mode for VCG Special 500 samples second storage Off Select to suppress the VCG report 0 to 860 right sagittal VCG2 0 to 360 left sagittal VCG3 180 to 180 right sagittal VCGA 180 to 180 left sagittal Disabling VCG Reports To reconfigure the cardiograph to disable VCG reports select Off in the VCG parameter of global configuration Now you cannot record VCGs until the cardiograph is reconfigured for VCG recording and the Frank lead set is attached Operation You must configure the cardiograph for VCG recording and have Frank leads attached to the patient in order to record a VCG Recording a VCG record a perform the following steps 1 Press 2 To select Auto report press Report until Auto appears above Report 3 Press Format to select the 12 lead Auto ECG report format Select one of the t
165. o digital converter 5 23 oading paper 2 1 ook up table 5 22 paper transport 5 22 RAM 5 22 7 9 printer drive assembly installing the gears 7 11 printer switch circuit 5 20 5 23 7 20 cleaning 4 1 removing 7 20 7 21 Index 13 Index 14 resistance code 7 23 emperature 5 22 printhead assembl removing 7 9 printing onnecting cables 2 4 the error log 4 7 3 rinting ECGs on printer 2 4 programmable interrupt controller 5 8 g EN ORFEDATA signal 6 QRS loops D READDATA signal A 10 recelve configuring baud rate 2 30 onnection 2 30 ecording a simulated ECG 4 8 reformatting a disk 3 12 einstalling the top cover assembly 7 2 removing the battery 7 2 he CPU assembl he disk drive 7 31 he keyboard 7 5 he preview logic board 7 25 7 27 the preview screen assembly 7 12 7 15 emoving the preview logic board 7 2 1 20 eplacing the battery 7 4 he disk drive 7 32 he preview logic board 7 28 he printhead assembly 7 23 0 7 29 Research leads D 10 reset processor 5 2 reset vector 5 2 7 23 setting the selector 7 23 RFECLK signal A 6 RFEDATA signal A 6 RI signal 7 outine maintenance 4 9 RTS signal A 7 RXD signal 7 S SAECG patient module
166. o place the cardiograph in Standby Insert the M1754A SAECG application disk in the cardiograph 3 Press to turn the cardiograph On The message Load SAECG application appears 4 Press Yes The copyright display appears briefly then the following display appears SAECG 1754 01 00 The asterisks gradually extend across the display as the software is installed When installation is complete the following display appears i Auto 3x4 Report Format 01 26 92 01 23PM M1754A Signal Averaged ECG SAECG System B 3 SAECG Configuration A 02 XX and higher Software Only i SAECG configuration can only be accessed from the SAECG Note application Select Config from the following SAECG menu Print Edit Config Table B 1 and Table B 2 show the configuration options for the 1754 SAECG application The default settings appear in bold type These defaults are adequate for most applications Acquisition Fields Table B 1 shows the choices available to configure acquisition Table B 1 Acquisition Configuration Fields Setting Choices Fiducial point peak of the QRS be moved from the center to the right or left third of the display and the printed report The noise window is moved by the same amount as the fiducial point Correlation coefficient 0 01 0 This controls how closely the acquired beats must match 0 99 the template value of 0 99 means the acquired beats m
167. oes not have a display The test patterns displayed on the patient module consist of in this order all white cells checkerboard cells all black cells inverse checkerboard cells 80 characters displayed in 5 successive groups of 16 all white cells You must observe the patient module display while the test pattern is running to ensure m accurate rendition of all patterns and characters m no random lines or dots are displayed Before and after the tests asterisks appear in the display CPU Assembly Test This test looks for failures in the following CPU assembly subsystems Real time Clock Printer Controller Read Only Memory ROM Random Access Memory Digital Signal Processor DSP DSP RAM Performance Verification and Maintenance 4 3 If the CPU assembly fails the test the message CPU assembly test failed appears on the keyboard display Note The printer door must closed to properly test the CPU assembly Y Printer Test The printer test exercises the printhead and paper drive mechanism by printing a test pattern on the page four times once for each printer speed The pattern consists of a rectangular box that contains the entire character font a column of numbers and a black amp white pattern While the test patterns are printing the message Printing test pattern appears in the keyboard display When the printout is complete inspect it for straight diagonal lines co
168. of the signal and that the T wave is not inside the window a and v Allow you to place the template on another lead 4 Once you have selected a template beat the message Averaging appears and the preview screen displays continuous ECG signals for leads X Y and Z 1 You can press Done at any time to end the averaging process 7 Note B 8 M1754A Signal Averaged ECG SAECG System 5 When the averaging process is complete the message Filtering averaged beats appears followed by this display Adjust the onset and offset Print Onset Offset Lead Exit Print Prints and stores the SAECG report If your application is configured for manual file naming you will be prompted to name the file after it prints The name can have up to eight characters followed by a three digit extension for example MKEATING 001 Press Done to store the report Onset Allows you to adjust the QRS onset marker When you press Onset or Offset the following display appears Adjust the onset Done Exit Use the 4 and gt keys to move the onset window then press Done Offset Allows you to adjust the QRS offset marker see above Lead Lets you view another lead When you press Lead the following display appears Choose another lead Vector X Y Z Exit Press X Y or Z to view that lead or press Vector to view the combined vector lead You can adjust the onset and offset for each lead independently and for the combine
169. on of potentials and preserves data integrity and comparability Measurements made by the M1754A System correlate with accepted threshold criteria The system meets or exceeds all applicable ACC AHA recommendations for SAECG and conforms to all applicable IEC VDE UL CSA AHA and AAMI ECG specifications M1754A Signal Averaged ECG SAECG System 1 Installation and Configuration Connecting the Patient Module Note A 1 Connect the patient data cable to the ECG input jack on the back of the cardiograph 2 Connect the other end of the patient data cable to the patient module as shown in Figure B 1 3 Connect the leadwires to the patient module Match the color coding on the leadwires to the color coding on the patient module 4 Install shorting plugs in the patient module in those positions without leadwires Figure B 1 Connecting the Patient Module Leadwires B Patient Data Cable M1754A SAECG patient module can acquire both SAECG and standard ECGs To get the best results for SAECG remove the LL and LA leadwires and install shorting plugs in the LL and LA inputs 2 M1754A Signal Averaged ECG SAECG System Installing the SAECG To install the M1754A SAECG application software perform the Software following steps Version 02 A 03 00 software must already be installed in the Note cardiograph prior to installing SAECG software 1 Press the switch t
170. or transmitting ECGs Fax transmission also requires 02 revision software After the cardiograph has been configured to use a site for fax transmission you can fax an ECG to the site To transmit an ECG 1 Press until the following display appears Transmit Store Config CheckDisk Files 2 Press Transmit The following display appears Transmit Selected A11 NewGroup Query Exit 3 Press Selected The message Reading the disk appears followed by this display 123456 02 13 92 12 09 41PM Select Transmit Next Previous More 4 Press Next or Previous until the patient ID number you want appears then press Select If you know the patient ID number of the ECG you want to transmit you can select the ECG as follows Press More then Find z Type the ID number and press Enter The most recent ECG with that ID number appears m If you want a different ECG for that patient scroll through the list by pressing Previous When the ID number you want appears press Select 5 Press Transmit The following display appears Choose site 1 2 3 4 Manual 6 Press the key under the number of the intended receiving site This number corresponds to the receiving site previously 1756 Direct Digital ECG Fax 3 configured Messages such as Calling site Connected to site Transmitting and Transmitting 1 of 1 ECG s might appear 7 When the ECG has been successfully transmitted the message 1 ECG s Transmit
171. ot arm and requires effort to e b Slide the clutch off of the screen housing s right pivot arm remove it Removal and Replacement 7 13 8 Pull the screen housing s left pivot arm out of the left clutch and N lay the screen face down on top of the cardiograph 9 Pry off the back cover of the screen housing a Use a small flat bladed screwdriver to disengage the three catches on the bottom of the screen housing shown in Figure 7 11 Figure 7 11 Removing the Preview Screen Assembly b Pivot the cover up until the catches on the top of the screen housing release 10 Use the T10 Torx driver to remove the screw that connects the green and yellow ground wire from the display cable to the metal display frame 11 Lift the power supply board out of the screen assembly and disconnect the ribbon cable from the power supply board 12 Remove the flat ribbon cable to the LCD and set the power supply aside 13 To remove the display screen from the assembly remove the 7 14 Removal and Replacement remaining four screws that attach the screen to its case and lift the screen out Warning 0 Warning PageWriters with Serial Number Prefix Prior to 3208A If the PageWriter has a serial number prefix prior to 3208A use these procedures to remove or disassemble the preview screen assembly Removing the Entire Preview Screen Assembly Use this procedure to remove the preview screen assembly as a single unit
172. ou can restore it if the battery is removed or if changes are made to the configuration Installation and Configuration Selecting Configuration Parameters When you select or change configuration parameters the method is generally the same whether you are selecting Global Transmit or ID parameters The display will be similar to Initial Interpretation Reasons Enter Choose Exit In this chapter this type of display is referred to as the parameter selection display The message line on top displays the parameter and its current setting The softkey labels are displayed on the bottom line Enter Accepts the current setting then advances to the next parameter in the list or returns to the menu if pressed when the last parameter in the list is displayed Choose Advances through the list of choices for the specified parameter Tab Appears only for the Custom parameters in the Global list Used to select the leads for the custom format Moves an underscore cursor to the lead to be changed then Choose is used to advance through the list of choices Leads Used to select rhythm leads in Default Auto parameter in global configuration Previous Returns to the previous parameter does not appear when the first parameter is displayed Exit Returns to the menu Installation and Configuration 2 19 Global Configuration Pressing Global from the configuration menu brings up the parameter selection display The first
173. ows the sequence that the CPU executes to initialize the cardiograph and begin cardiograph operation Cardiograph operation begins after the CPU has begun executing the software stored in RAM Power off The power off sequence is software controlled The power off sequence 1s initiated when the key is pressed battery timeout occurs or the battery is too low to continue At power off the software sees a keycode and begins housekeeping tasks such as completing disk I O requests turning off the printer disabling the keyboard turning off the keyboard display and turning off the preview display if present When the housekeeping is complete the software instructs the DRAM and FGA gate arrays to stop the processor and shut down the power supply The details of how the power supply shuts down are described later in this chapter in the power supply description Another method of shutting down the power supply is provided by the watchdog timer The watchdog timer part of the DRAM gate array shuts down the power supply if the CPU is disrupted beyond recovery and fails to reset the timer before a specified time elapses The timer is programmable and can be set by software for two four six or eight seconds the time depends on the operation currently being executed RESET VECTOR FFFFFO INITIALIZE CPU HARDWARE BATTERY PLUGGED ERROR JUMP TO RAM Y LOAD OPERATINC SYSTEM JUMP TO RAM 1700 14 Figure 5 1 CPU
174. pen the line module door with a small bit screwdriver Pull out the fuse holders and check that the line fuses are the correct rating for the selected voltage Refer to Table 2 2 If you need to install line fuses with a different rating you will also need different fuse holders Fuses for lower voltages require fuse holder part number 2110 0686 fuses for higher voltages require fuse holder part number 2110 0687 Place the fuses in the fuse holders and push each fuse holder back into the line module Make sure that the arrows on the fuse holders point in the same direction as the arrows on the line module door Close the line module door Installing the Battery This procedure describes installing the battery for the first time If you are replacing a battery refer to the battery replacement procedure in Chapter 7 Removal and Replacement 4 The cardiograph is primarily battery powered instrument It will 89 not operate without the battery even if it is plugged into AC power Use only HP battery assembly 1721 Note Warning The battery is relatively heavy for its size Support the battery from underneath as you install it to prevent it slipping and possibly causing injury To install the battery 1 Open the cardiograph s battery compartment by loosening the two thumbscrews on the back of the cardiograph as shown in Figure 2 6 and pulling the battery holder out Figure 2 6 Installing the Battery
175. per tray 0624 0400 Flat washers 2 per front caster 2190 0457 Screw machine 8 32 secures front of lower tray 2510 0270 Hex head captive screw 3 8 16 x 2 secures front 2940 0201 caster Wave washer 2 per rear wheel removable axle 3050 1296 Spacer wheel 2 per rear wheel removable axle M1705 27405 Nylon washer for lower tray screws removable 3050 0769 axle Metal washer for rear lower tray screws 2190 0758 Retainer cap painted axle 0590 1977 E ring removable axle 0510 1195 Flat washer painted axle 3050 1401 8 20 Parts Lists Figure 8 7 Cart Exploded Diagram Parts Lists 8 21 Table 8 9 M1705B Cart Parts List Ref Description Part No No Cart assembly M1705B M1705 69500 Retaining cap axel 0590 1977 Screw tpg 6 19 0624 0400 Screw tpg 6 19 0624 0654 Rear wheel includes dust cover amp bushings 1492 0129 Front caster 1492 0150 Hex head captive screw 3 8 16x2 2940 0201 Handle bolt 2940 0281 8 22 Parts Lists Frame Washer Washer flat Upper tray Lower tray Paper tray Handle Label Cart Nut 3 8 Ick Washer Flat mtl Tray Filler M1705 27301 2190 0758 3050 1401 M1705 47301 M1705 47302 M1705 47305 M1705 67300 M1705 84502 0590 1037 2190 0457 M1705 47313 Figure 8 8 Data Communications Package Diagram Table 8 10 Data Communications Package Parts List Description Bracket for Hayes 9 modem Screw 10 32 knurled for Hayes Power cable for Hayes Smar
176. pidly 4 Remove the battery as described earlier in this chapter 5 Remove the top cover assembly as described previously in this chapter 6 Remove the screws that hold the preview logic board and shield assembly to the chassis bottom and rear see Figure 7 19 Removal and Replacement 7 27 0009 0 0 0 0 002050 0 0 Figure 7 19 Preview Logic Board Assembly Screw Locations 7 Disconnect the preview logic board assembly from the system expansion connector on the CPU board assembly and slide the entire assembly out 8 Remove the screws that hold the RFI shield and board to the frame The shield and board can then be lifted off the frame Replacing the Preview replace the logic board reverse the appropriate removal Logic Board procedure or refer to the installation instructions included with the replacement part 7 28 Removal and Replacement The CPU Assembly Removing the CPU Assembly Caution Warning This section describes how to remove and replace the CPU assembly This procedure applies to all units To remove the CPU assembly Use an electrostatic wrist band or other approved method for protection against electrostatic discharge when disconnecting cables from and handling the CPU assembly Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 10 Disconnect the AC power cord Verify that no disk is in the disk drive
177. play Modem M1700A only de select test if not installed Print out the error log Store the printout with the cardiograph s permanent maintenance record 4 14 Performance Verification and Maintenance ECG Simulation Comments Record an ECG using an ECG simulator Verify the following C Trace activity for all 12 leads No gross distortion of complexes or calibration pulses Calibration pulses of proper duration 200 ms and amplitude 1 mV The trace will vary depending on simulator settings used and simulator type Calibration pulse measurements will vary depending on the cardiograph gain and speed settings Performance Verification and Maintenance 4 15 5 Theory of Operation This chapter contains an overview of the cardiograph operation and circuit descriptions of the major subassemblies Except as noted the information in this chapter applies to the M1700A PageWriter XLi the M1701A PageWriter XLs and the M1702A PageWriter XLe Operational Overview ECG Data Path This overview covers two areas of cardiograph operation the path that ECG data follows from collection to display and the cardiograph s power on power off sequence ECG data is collected at the patient module There the data from as many as 13 patient electrodes is sampled after the multiplexors at 4 kHz rate The cardiograph software determines the number of electrodes sampled and the order in which
178. port 1200 M1756 89504 ABU U K fax modem Worldport 2400 M1756 89505 ABZ Italy fax modem Worldport 1200 M1756 89506 K01 Quick Connect cables for fax modem M1756 61601 and M1706 61636 Includes patient module lead set and disposable electrodes kit Options A01 Standard AHA patient module A02 Low cost AHA patient module A03 Standard IEC patient module A04 Low cost IEC patient module Substitute Options 501 Substitute inch size 1 8 post reusables 502 Substitute metric size 4mm post reusables Introduction 1 13 M1790A PageWriter XLi Includes M1790 17700 A 01 00 software set VCG leadwires Vectorcardiography and manuals Country option must also be ordered The part number for replacement leadwires is M1717B The M1790A option requires the M1755A A 03 1X software version Note M M1790A option will not function with the A 03 0X software Country Option The following table gives the configuration of each country option Configurations Table 1 8 Country Option Configurations AHA IEC Volts A e i ua wm A 220 220 4 ABG AHA 05 Europe UK jN ph Clo tj o Manuals ABA North American English Engish 12 ACQ AKM South American Note In Table 1 8 an in the Printer column refers to 8 5 x 11 in paper 4 refers to 210 x 297 mm paper gt 1 14 Int
179. r scaling on the printed report Manual Vector scale The vector scale used on the printed reports Vector scaling can also be changed during editing 1 This field appears only if Manual is selected in the Unfilt lead scaling field 2 This field appears only if Manual is selected in the Filt lead scaling field 3 This field appears only if Manual is selected the Vector scaling field M1754A Signal Averaged ECG SAECG System 5 Operation SAECG M1754A Only The 5 application allows you to use your PageWriter XLi cardiograph to acquire signal averaged ECGs for use in detecting late potentials SAECG requires 02 or higher revision software SAECG application software and an SAECG Patient Module 573431735 10 11 1991 02 01 13 PM Lawrence Edward Evans Dept ECG 56 years Male Room 24121 Oper 5 Comments Complaining of chest File fee o LE236523 FIL Vector Number of beats 182 Final ootse 0 300 High pass frequency 40 Hz QRSD ns Sampling frequency 2000 Hz RMS RMS40 LAS ns 240 4 185 i 185 Unfiltered leads Filtered leads Vector magoitude Seale 100uV mm Scale SuV om Scale 2vV um Figure B 2 An SAECG Report B 6 1754 Signal Averaged ECG SAECG System Using SAECG use SAECG do the following 1 Press until the applications menu appears in the display Applications XLi
180. r your particular PageWriter When you remove the preview screen assembly you can either disassemble it completely or you can remove the assembly as a single piece that includes the clutches and cables The complete replacement preview assembly also includes clutches and cables This section includes instructions for removing the preview assembly as whole and for disassembling it PageWriters with Serial Number Prefix 3208A or Later If the PageWriter has a serial number prefix 3208A or later use these procedures to remove or disassemble the preview screen assembly Removing the Entire Preview Screen Assembly Use this procedure to remove the preview screen assembly as a single unit a Warning Perform the following four steps sequentially to eliminate the chance of exposure to hazardous voltages 1 Disconnect the AC power cord 2 Verify that no disk is in the disk drive 3 Turn the cardiograph On This allows the rectifier assembly capacitors to discharge more rapidly 4 Remove the battery as described earlier in this chapter 5 Remove the left and right clutch covers a Insert a small flat bladed screwdriver in the slot at the bottom rear of the cover and gently pry up till the catch releases b Tilt the cover forward slightly to disengage the tabs at the front then lift the cover away This is easier if the screen assembly lays flat on the PageWriter 6 Remove the mounting screws and washers from the left
181. rank lead wires I E M H Optionally you may replace V4 C4 and V6 C6 chest lead wires with Frank lead wires C and A 3 Turn on the cardiograph The following tables describe how to set up the patient module for the lead set you are using Table D 1 AHA Lead Set and Patient Module Configurations Lead Color Code Label Color Slot Label Orange Red Orange Yellow Orange Green Orange Brown Orange Black Orange Violet Table D 2 IEC Lead Set and Patient Module Light Blue Red Light Blue Yellow Light Blue Green Light Blue Brown Light Blue Black Light Blue Violet D 2 Vectorcardiography M1790A Software Installation Note VCG Configuration A 03 XX Software Only Version 03 1 software must be installed in the cardiograph prior to installing VCG software To install the M1790A software perform the following steps 1 Press to place the cardiograph in Standby 2 Insert the application disk labeled VCG Disk in the disk drive in the front of the cardiograph 3 Turn on the cardiograph The message Load VCG Application will appear 4 Press Yes When installation is complete the following display appears Auto 3x4 Report Format 01 26 92 01 23PM To configure the PageWriter XLi cardiograph for VCG recording perform the following steps Press twice until the following display appears Transmit Store Config CheckDisk Files 2 Press Config The main configuration me
182. rive 1 1 Remove the top cover assembly as described previously in this chapter 2 Remove the two screws that attach the plastic vibration mounts to the chassis 3 On units having a serial number prefix prior to 3208A remove the 7 32 inch nut that attaches the ground strap to the chassis see Figure 7 21 Removal and Replacement 7 31 7 9 01 iw 1700 28 Figure 7 21 Disk Drive Mounting Screws 4 Lift the disk drive enough to disconnect the data cable and power cable 5 Remove the disk drive from the chassis 6 Remove the screws that attach the vibration mounts to the disk drive and set the mounts aside for reuse 7 Remove the screw that attaches the ground strap to the bottom of the disk drive set the ground strap and screw aside for reuse Replacing the Disk replace the disk drive reverse the removal procedure Drive 7 32 Removal and Replacement Parts Lists Introduction This chapter contains the parts lists for the cardiograph printer preview display cart and data communications package numbers on each figure or exploded view refer to the parts list on the facing page A8 434 Ordering Information You can order any of the parts listed through your local Hewlett Packard Sales Service Office listed at the back of this manual In the United States and Canada you can call
183. roduction 2 Installation and Configuration 1 This chapter describes how to install and configure the PageWriter XL M1700A M1701A and M1702A cardiographs This information provides you with a factory recommended process to use when assisting customers The configuration information guides you through the configuration menu structure and describes the configuration choices u TTT TS Installation The cardiograph is ready for operation when the following tasks have been properly performed Patient data cable connected m Patient electrodes and leadwires installed on patient module m Voltage setting and fuse checked m Battery installed m Software installed M1701A amp 1700 only m Language and line frequency chosen m Paper installed Clock set time and date m Configuration parameters chosen m Configuration saved to disk M1701A amp M1700A only In addition to these tasks the cardiograph should be mounted on the cart if you are using a cart and the modem attached to the cart if you are using a modem installation and Configuration 2 1 2 2 Installing the install the cardiograph on the cart Cardiograph and Modems on the Cart Set the cardiograph on the top rails so that the cardiograph s rear feet drop into the notches on the horizontal rail edges The operator panel must face the cart handle Slide the cardiograph aw
184. rs are done by persons authorized by Hewlett Packard m The electrical installation of the relevant room complies with the IEC requirements IBC regulated countries only m The instrument is used according to the instructions for use presented in tliis manual Warranty Hewlett Packard warrants this medical product against defects in materials and workmanship for a period of 1 One year on instrument 2 Lifetime 1700 and M1701A patient module remote front end Lifetime is defined as the end of the product s support life This is a minimum of fivc ycars after the cardiograph is removed from Hcwlctt Packard s price list 3 One year on 1702 patient module remote front end 4 All other accessories including cables battery and consumables are under standard 90 day warranty If Hewlett Packard receives notice of such defects during the warranty period Hewlett Packard shall at its option cither repair or replace hardware products which prove to be defective Limitation of Warranty Hewlett Packard software and firmware products that are designated by Hewlett Packard for use with a hardware product when properly installed on that hardware product are warranted not to fail to execute their programming instructions due to defects during the warranty period Hewlett Packard shall repair or replace software media and firmware that do not execute their programming instructions due to such defects Hewlett Packard
185. rs on the patient module and the 89 leadwire shorting plugs can be used as troubleshooting aid With the SAECG patient module these indicators are only active until the key is pressed Troubleshooting 6 11 Table 6 3 Patient Module and Patient Data Cable Symptom Corrective Action No display on patient module Incorrect contrast adjustment Adjust contrast LCD 1700 amp M1701A only Tighten if loose replace if damaged or defective Patient data cable or cable connectors Replace patient module Replace CPU assembly Defective patient module Defective part on CPU assembly Leads off displayed on Loose or defective patient data Check cable and connectors for damage preview screen but patient cable cable connectors Tighten connectors as necessary module appears blank or Replace damaged cable shows stars blanks and boxes Defective patient module Replace patient module Defective part on CPU assembly Replace CPU assembly Averaging in SAECG None stars normally appear during averaging Leads off not indicated when wire is off Ensure the contacts on the patient module are clean and dry Dirty contacts on patient module for leadwires Defective patient module Replace patient module Clean and switch to isolate defective leadwire Replace defective leadwire Defective or dirty leadwire
186. ry a ROM I O Control m Digital Signal Processor Flexible Disk Drive 1700 and 1701 only System Expansion Connector The block diagram in Figure 5 4 shows these circuits and how they interconnect CPU The microprocessor used in the CPU is the Intel 80376 a 32 bit processor with a 16 bit data bus and 24 bit address bus The CPU address and data buses go to the DRAM block the system expansion connector and to latches and buffers as shown in Figure 5 4 Address latches buffer the address signals in order to drive a larger number of devices and latch the addresses Data buffers transceivers allow the CPU to communicate with a larger number of devices and ensure that the CPU data bus is driven at the proper times The programmable interrupt controller PIC accepts and prioritizes interrupt requests and generates the interrupt signal to the microprocessor 5 8 Theory of Operation DISPLAY 14 BUS EXPANSION LOGIC POWER DYNAMIC POWER RAM p SUPPLY ADDRESS LATCHES INTERRUPT REQUESTS KEYBOARD SELECT SIGNALS FROM FGA PRINTER aa DIGITAL SIGNAL PATIENT PROCESSOR MODULE SERIAL COMMUNICATION nq DISK CONTROL o FRONT PANEL DISPLAY M1700 02 Figure 5 4 CPU Assembly Block Diagram Theory of Operation 5 9 System Memory ROM 5 10 Theory of Operation The system memory circuitry consists of the DRAM array the DRAM gate array and two data transc
187. s adequate for making diagnoses In contrast the M1756A transmits the electronic ECG directly from the XLi without scanning a paper copy This produces faxes of exceptional quality The M1756A fax option can be used by service personnel to receive faxed support information directly on the XLi The M1756A option consists of a Worldport 2496 Fax Data modem and a software disk A 9 volt battery allows up to 3 hours of transmission while the XLi is on battery power The fax modem can also be powered from the cardiograph M1756A Direct Digital ECG Fax 1 Installation and Configuration Note Parameter Choice The following table lists the settings to choose to configure the system to use a fax modem Each site may have different requirements Only ECGs may be faxed SAECGs and VCGs may not be faxed FAX Programmable Modem 2400 Type phone number 36 characters max Connection Baud Rate Phone Dial Type Tone Pulse 2 4 6 8 10 secs Type name 22 characters maximum Yes No A 03 XX only Pause Length Destination Print grid on report 2 M1756A Direct Digital ECG Fax Operation Transmitting ECGs by Note Fax Y The fax modem allows you to send and receive ECGs using standard fax machines The cardiograph must be configured for these functions before you can use them See chapter 2 for information about configuring your cardiograph f
188. s for all limb leads E m Each chest leadwire replacement kit contains three leadwires and ID rings for all chest leads The leadwire support kit contains shorting plugs lead spreaders and post adapters m Use part number M1717B for VCG replacement leadwires The C version chest leadwire kits are the same length as the original A version kits The SAECG patient modules function identically to the standard modules when the cardiograph is not in SAECG mode Figure 8 2 Main Assembly Exploded Diagram Serial Number Prefix 3208A or Later 8 4 Parts Lists The battery door assembly does not include the door label To get Note w ep the label order the label set for the language needed Table 8 2 Main Assembly Parts List Serial Number Prefix 3208A or Later Ref Description Part No No CPU assembly 1700 M1700 60100 Refurbished CPU assembly M1700A 1700 68100 CPU asseinbly M1701A M1700 60104 Refurbished CPU assembly M1701A M1700 68104 CPU assembly 1702 M1700 60106 Refurbished CPU assembly 1702 M1700 68106 User interface asseimbly M 1700 67120 Main bezel assembly M 1700 67202 Key PCB assembly includes gasket M1700 47201 Keyboard shield 1700 84602 LCD M1700 67204 Keyboard rubber gasket M 1700 47310 Key assernbly Dutch 1700 64738 Key assembly English M1700 64708 Key assembly French M1700 64718 Key assembly German M1700 64728 Key asseinbly Italian M1700 64758 Key ass
189. signments for are listed in Appendix keyboard consists of the control switches the alphanumeric keyboard and the LED indicators The keyboard communicates with the CPU assembly over serial transmit and receive lines The system reads keycode information on the transmit line and writes LED indicator information on the receive line While the cardiograph is in Standby the key is connected to the system by a separate signal line when the cardiograph is On the key is also encoded like the other keys The AC indicator is driven by the system through a separate signal line keyboard display 15 a 40 character 2 line alphanumeric LCD It receives 8 bit data from the system and control signals from the FGA Printer The cardiograph s printer consists of the control and drive circuitry on the main circuit board the thermal printhead and the paper transport mechanism The block diagram in Figure 5 11 shows how these parts connect to each other and to the rest of the cardiograph Printer Gate Array printer gate array is the principal component of the printer control circuitry It buffers print data coming from the system and status data going to the system controls printer timing controls the printer RAM regulates motor speed monitors printhead temperature and resistance monitors the battery condition and provides the interface between the printer and the system CPU Printer The printer RAM consists
190. sted in Appendix A Disk Drive disk controller on the CPU assembly see Figure 5 9 provides M1700A and 1701 the interface to the system data bus for the 3 5 inch disk drive The only disk drive connects to the CPU assembly through two connectors J14 disk power and J15 data and control signals Pin assignments for these connectors are described in Appendix A BUFFERED DATA DISK CONTROLLER WRITE DATA 1 0 CONTROL INTERRUPT 1700 07 Figure 5 9 The Disk Drive and its Control Circuit Theory of Operation 5 15 n 777 Power Supply Note E VMAIN and VIN 5 16 Theory of Operation The power supply s basic tasks are to charge the battery when the A cardiograph is connected to AC power provide 5 volts to the system logic provide power to the printer and provide operating voltage to the patient module These are the circuits that make up the power supply Battery Charger and Battery Sensor m 5 Volt Regulator 5 Overvoltage Undervoltage Sensor m Printer Switch Battery Switch ACON Detector m 5 Backup Supply and Low Battery Disconnect 5 to Backup Switchover Patient Module Voltage Regulator Although the power supply circuits are discussed separately from the CPU assembly they are all physically located on the CPU assembly except for the battery the transformer and the diode assembly cable which includes the rectifier and filter capaci
191. store the ECG on the disk When the storage is complete or if you press No the alternate main menu returns to the display On the M1700A only when you finish editing the cardiograph offers 9 to analyze the again When this analysis is complete or if you decline analysis then the cardiograph offers to store the ECG Print Analyze 3 14 Operation Prints the selected ECG s when you press Print on the selection display menu the selection display menu is described at the end of this section While the ECG is printing this message is displayed Printing 1 of 1 ECG s When the printout is done this message is displayed Printed 1 ECG s This function is available only on the M1700A Analyzes the selected ECGs when you press Analyze on the selection display menu Also provides the option of printing the analyzed ECG s While the cardiograph analyzes the ECG s these messages appear Reading 1 of 1 ECG s Analyzing 1 of 1 ECG s Storing 1 of 1 ECG s When complete the cardiograph displays Analyzed 1 ECG s Choose Exit to return to the alternate main menu The Selection Display M1700A amp M1701A only The selection display is a two part menu that allows you to select patient ID numbers of stored ECGs for operations such as transmitting editing deleting printing and analyzing Selection Display Menu Part 1 first part is a display similar to the menu shown here 123456 04 01 90 11
192. sts and lists maintenance procedures and safety requirements that apply to the cardiograph Chapter 5 Theory of Operation Provides an overview of how the cardiograph works and describes the operation of the major subassemblies Chapter 6 Troubleshooting Contains procedures and error codes to aid the service person in localizing faults to a replaceable subasseinbly Chapter 7 Removal and Replacement Contains procedures for removing and replacing each of the cardiograph s major subassemblies Chapter 8 Parts List Lists part numbers for the cardiograph s replaceable parts and provides asseinbly drawings Appendix A Connector Pin Assigninents Identifies and defines the signals assigned to the subassembly interconnections Appendix B M1754A Signal Averaged ECG System Enables the cardiograph to detect display and record high frequency low amplitude ECG signals Appendix 1756 Direct Digital ECG Fax Permits the PageWriter XLi to receive or transmit from fax machnines Appendix D Vectrocardiography M1790A Adds vector loop repoting capability to the cardiograph Index vi Contents Introduction PageWriter XL Cardiog 11754A PageWriter XLi Signal Aver aged E ECG System Documentation 11755A PageWriter XLi Upgrade Kit is 1756 PageWriter XLi Direct M UAM ECG Fax Modems 11788A Extra Patient Substitute Options 11790 PageWriter X
193. t modem 2400 Power cable for Hayes Optima modem 288 Standard data cable for Hayes modem Hayes Smart modem 2400 US Canada Hayes Optima modem 288 US Canada Hayes Smart modem 2400 France Hayes Optima modem 288 France Hayes Smart modem 2400 Italy Hayes Smart modem 2400 Netherlands Hayes Optima modem 288 Netherlands Hayes Smart modem 2400 United Kingdom Hayes Optima modem 288 United Kingdom Data cable direct Data cable direct to LaserJet Quick Connect cable M1756A Worldport fax modem WorkStation adapter XL Quick Connect Quick Connect Hayes M1706 07102 0370 3219 M1706 61619 M1700 61620 M1706 61630 M1706 89501 M1706 89521 M1706 89503 M1706 89523 M1706 89506 M1706 89504 M1706 89524 M1706 89505 M1706 89525 24542M 24542G M1756 61601 92224F M1706 61636 M1706 61637 Parts Lists 8 23 Note Y 8 24 Parts Lists Figure 8 9 Connections for Direct Connect Transmission Table 8 11 Direct Connect Cable Parts List Ref Description Part No No 1 1 Direct Connect Cable 24542M or 1706 61636 M1706 61636 cable has locking clips to securely connect to the faceplate The 24542M cable does not The M1706 61636 cable measures 5 feet 1 52 meters the 24542M measures 9 9 feet 3 meters The 24542 M1706 61630 and M1706 61636 cables are electrically equivalent and can be interchanged for troubleshooting Figure 8 10 Cab
194. tandard 250 samples sec Special 500 samples sec Standard Cabrera XLi Prev SAECG User defined up to 8 characters Special allows ECGs to be measured and interpreted on an M1700A If available Lead system Power on application Allows your cardiograph to start up in the selected application appears with A 02 XX and higher software only Password 1 This parameter appears only on the M1700A cardiograph 2 This parameter appears only if Special Applications is set to yes 3 This parameter does not appear on the M1702A cardiograph Installation and Configuration 2 23 Interpretation Parameters These parameters determine the amount of information included in an Auto ECG report m Initial Interpretation controls the information that appears on the ECG when it is first taken Copy Interpretation controls the information that appears on subsequent copies of the ECG m Print Interpretation controls the information that appears on a printout of a stored ECG Each setting choice adds another piece of information to the printed The settings definitions are None Prints waveform and patient ID Severity only A 03 XX only Prints waveform ID and severity Measure Prints waveform ID and measurements summary Interpret Prints waveform ID measurements summary and computer generated interpretation Reasons Prints waveform ID measurements sum
195. te Configuring the M1700A and M1701A Note E The cardiograph is designed to provide custom operation The configuration parameters allow you to program the cardiograph for the most useful and efficient operation Typically the cardiograph is configured only during initial installation Software revisions A 02 00 1755 or later allow you to select either XLi Preview Plus or SAECG as the default configuration Set the Power on application global parameter to the application you want the cardiograph to start up in This section describes the menu structure that enables you to configure the cardiograph s operating parameters Each menu choice is described briefly in a list then in more detail in the narrative section that follows the list Press until the following display appears Transmit Store Config CheckDisk Files The Transmit key appears only on the 1700 Only the 1700 has transmission capability Press the Config softkey to display the main configuration menu Configuration Global ID Transmit Files Exit If this is not the initial configuration you must type in the cardiograph s password if one has been set before you can make any changes to the configuration Installation and Configuration 2 17 Configuring the 1702 2 18 Note Note v 7 The softkeys function as follows Global Allows you to set the operating parameters of the cardiograph The Global configuration affects all
196. ted appears 8 Press Exit to continue Transmitting More than One ECG To transmit several ECGs follow the same steps as above but select all the ECGs you want to transmit After selecting the ECGs press Transmit To transmit all stored ECGs follow the same steps as above but press Transmit 411 instead of Transmit Selected To transmit all ECGs that have not been previously transmitted follow the same steps as above but press Transmit NewGroup instead of Transmit Selected m Manual allows you to transmit to a site that has not been configured See the Pagc Writer XLi User s Refcrence Guide for more information Note 5 about transmitting ECGs Receiving ECGs The cardiograph can receive ECGs from a fax machine whenever it is turned on configured for fax modem usage and idle If the cardiograph is turned off it cannot receive ECGs All ECGs are printed as they are received You cannot edit or store received ECGs You can stop receiving the ECGs any time by pressing Stop The fax modem can also transmit ECGs to receivers other than fax machines When configured as a programmable modem the fax modem performs in the same manner as the M1706A Hayes modem Note C 4 1756 Direct Digital ECG Fax Performance Verification and Maintenance Extended Self test The cardiograph s Extended Self test loaded as part of the system software tests each major subassembly The display tests and th
197. the battery s presence Low while battery is installed Connects to the thermistor in the battery assembly Connects to the thermistor in the battery assembly Battery negative terminal connected to ground through a resistor Battery positive terminal connected to VBAT voltage line through a fuse Table A 5 Printhead Power Connector J5 Pin Signal Pin Signal ifvprint s GROUND VPRINT Definition Power to the printhead Enabled with 5READY signal Connector Pin Assignments 5 Table 6 Patient Module Connector J9 Pin Signal GROUND RFECLK GROUND RFEDATA VFE 6 QRFEDATA 8 GROUND GROUND CASE GROUND Signal Definition QRFEDATA Output signal to the patient module RFECLK Clock input from the patient module RFEDATA Data input from the patient module VFE Regulated voltage for patient module A 6 Connector Pin Assignments Signal DCD 5 nDTR RI RTS RXD TXD Table A 7 RS 232 Connector J10 Pin Signal TR SR TS TxD 6 DSR crs e 4 Definition Data clear device RS 232 handshaking signal Clear to send RS 232 signal UART output Ring in RS232 signal Ready to send 5232 signal Received data UART input Transmit data UART output Connector Pin Assignments 7 Table 8 System Expansion Connector J12 RowA RowB Rowa RowB Rowc
198. the bracket with the tapped hole on the underside of the bar and secure the modem with the knurled screw Bring the fax modem cables up over the square bar and insert the smaller end of the faxmodem cable into the plug on the back of the cardiograph marked Data Comm Tighten the retaining screws Plug the round end of the fax modem cable into the cardiograph s modem power connector Secure the retaining Screws Insert the telephone cable into either phone connector on the side of the fax modem M1756 01 Figure 2 2 Connecting the Fax Modem Cables Installation and Configuration 2 3 PageWriter XLi Cardiograph Fax Modem Power Cable Fax Modem Phone Line Connector Fax Modem Data Cable gt For modem cabling variations see Chapter 8 Parts Lists Note Printing an ECG on You can print stored ECGs on an HP PCL5 LaserJet printer an HP LaserJet Figure 2 3 shows how to connect the cables between the cardiograph Printer and the printer 92909 11 Figure 2 3 Connecting the Printer Cable A PageWriter XLi Cardiograph LaserJet Printer C HP LaserJet Printer Serial Interface Port D Serial Data Cable HP 24542G 2 4 Installation and Configuration 5 5 222 Setting up the You must set up the LaserJet printer for serial printing before using LaserJet Printer it to print stored ECGs from the cardiograph
199. the cardiograph is open do not touch any of the exposed connectors The rectifier assembly capacitors store hazardous amounts of energy during AC and battery operation Be careful not to touch any of the exposed capacitor connections 1 Open the top cover assembly as described in Chapter 7 Removal and Replacement 2 Make sure the cardiograph is connected to AC and that the AC switch is on Then pull out the battery enough to disconnect it Be very careful to not short VIN to ground or to other pins This will result in cardiograph failure 3 Measure VIN It should read approximately 24 V DC The presence of this voltage confirms the proper operation of the mains transformer and the rectifier assembly under light load 4 Measure VBAT It should read approximately 21 to 22 volts This voltage confirms the proper operation of the battery charger 5 Measure VBACK through the opening in the shield at the tab on transistor Q5 sce Figure 6 3 It should read 5 V DC Its presence confirms the proper operation of the backup 5 volt supply Note Y The battery voltage can be read on the keyboard display using the following sequence starting from Standby a Press the key to turn on the cardiograph b Immediately press and hold the key c Press the v key for Voltage d Release the and v keys simultaneously The battery voltage will be displayed briefly in the center of the keyboard displ
200. the software from the System Disk that came with the cardiograph If the failure persists replace the CPU assembly Troubleshooting 6 3 1540 This error is logged when the message Data transmission abnormal termination appears error is received from the remote system and the Status field on the printout shows the error passed by that system 1541 This error is logged when the message Data transmission abnormal termination appears and indicates a transmission problem at the local cardiograph Try each of these possible remedies 1 Check cabling 2 Retry the operation 3 Use a different phone line 4 Check with the system operator to find out if abnormalities exist at the other end 9000 9499 Errors in this range indicate a communication problem between the cardiograph and the patient module The problem can be caused by hardware or software and can occur in the cabling the CPU assembly or the patient module To locate and correct the problem use these actions Check all cables Cycle the power Run Extended Self test Reload the software Refer to the troubleshooting table for the patient module and cable afr WN Using Extended The cardiograph s Extended Self test is a simple to use looping test Self test in that gives you pass fail status for each of these major subassemblies Troubleshooting m Patient module and cable m CPU assembly m Printer D
201. they are sampled Following the multiplexors is the analog to digital converter ADC The ADC by the process of successive approximation converts the multiplexed analog signals to digital words The patient module controller performs a parallel to serial conversion then sends the data to the cardiograph In the cardiograph the digital signal processor DSP receives the ECG data processes it and sends it to the system RAM where it is stored The data stored in memory is then available for analysis M1700A only printing display or storage to disk M1700A and M1701A only Theory of Operation 5 1 Power on and Power off Sequences 5 2 Theory of Operation When the cardiograph is turned on or off it follows a sequence of events in applying power to or removing power from its circuits The gate array that controls dynamic RAM DRAM also controls this sequence because the DRAM gate array remains powered up even when the cardiograph is in Standby Power on When the key is pressed to power up the cardiograph the DRAM gate array asserts the processor reset signal and sends the UNITON signal to the 5 V regulator to turn it on When 5 V is in regulation the power supply signals the DRAM gate array which releases the processor reset When the reset is released the processor begins execution at its reset vector FFFFFOh This location is in ROM which contains initialization routines and tables The flow chart in Figure 5 1 sh
202. tion code a 5 character code See explanations following this table Cart ID Institution Name a 4 character code See explanations following this table name up to 40 characters See explanations following this table PRELIMINARY MD MUST REVIEW a label up to 30 characters Confirmation User label User B label Battery timeout Type a label up to 8 characters See explanations following this table a label up to 8 characters See explanations following this table minutes between 3 and 999 lower UPPER No See explanations following this table Set keyboard Allows configuration of research leads ECG storage mode and lead system See the PageWriter XLi Physician s Guide for more information Special applications Allows 4 additional unipolar leads of user s choice Research leads Default Adult Criteria 08 15 the adult analysis criteria P4 is the pediatric analysis criteria Default Pediatric Criteria 2 Yes causes Criteria Version prompt to appear during patient ID entry Allows use of criteria residing on ECG Management System ID criteria version entry Default ID criteria version User defined 2 characters Appears only if ID criteria version entry is yes ECG storage mode S
203. tors N Figure 5 10 shows how these circuits connect to each other and to other parts of the system VMAIN connects to the CPU assembly at J6 and J7 It is the unregulated rectified AC that comes from the main transformer and bridge rectifier assembly After passing through a fuse VMAIN becomes VIN which supplies power to the 5 volt regulator the patient module regulator and the preview display assembly N FUSE SWITCH F2 J6 F1 VMAIN VIN TRANSFORMER AC VOLTAGE BATTERY LH 18 VOLT ROUN SELECTOR RECTIFIER CROUND 47 CHARGER _ BATTERY 5 N no Ml PRNTON NOBATT IH J8 CHARGEROFF BATFLT 5READY MODEMO POWER ACON BATTERY PRINTER DETECTOR SWITCH SWITCH gt ACON VPRINT gt ACONLED SWITCHON VBATMEAS CHARGEROFF gt SWITCHON LOW BAT UNITON UNITON DISCONNECT 5 BACKUP 5READY SUPPLY gt VBACK 5TO 5READY gt BACKUP SWITCH 5 SUPPLY UNITON t5 OVER VOLTAGE UNDER VOLTAGE VFE SUPPLY UNITOFF gt VIN TO PREVIEW 1700 11 Figure 5 10 Power Supply Block Diagram Theory of Operation 5 17 Battery Charger Battery Sensor 5 18 Theory of Operation The battery charger converts VIN 15 to 31 volts to VBAT 20 to 22 volts VBAT connects to the terminal of the battery through a fuse which is located on the CPU assembly The battery connects to the CPU assembly at J4 Pin assignments for the battery co
204. transmission SAECG and VCG capabilities The software is shipped with all new PageWriter XLi cardiographs in late 1992 This software revision provides the PageWriter XLi with enhanced preview displays interactive query and FAA transmission The software also gives the XLi fax transmission using the M1756A modem and SAECG capabilities This revision is only available for support purposes original software for PageWriter XLi provides all basic features with preview display This revision is only available for support purposes Refer any questions or comments regarding these instruments to the nearest Hewlett Packard Sales Service Office or to one of Hewlett Packard s Service Dispatch Centers They can provide you with additional information about service training special applications and schematics Always identify the instrument by model number and serial number in all correspondence Hewlett Packard sales and service offices are listed at the end of this manual Toll free numbers for Service Dispatch Centers are listed in Chapter 8 Parts List 2 Specification Data The following tables list the technical specifications for the cardiographs and the mobile cart Specifications are the same for all models except as noted Table 1 1 Physical Specifications Specification Dimensions 1 x w x
205. ttery shutdown 5 18 ow battery warning 5 18 374 attery sensor 5 18 aud rate selection receive 2 30 block diagram CPU assembly 5 9 control 5 1 power supply 5 1 preview display 5 24 review display power supply 5 preview logic board 5 25 patient module B 14 serial communications circuit 5 14 system 5 5 brightness knob BTO0 signals 8 cable modem 2 2 printer 2 4 cable options 1 cables fax modem connecting 2 3 calibration pulse amplitude 4 9 duration 4 9 alibration voltage 5 6 B 13 alling site C ardiograph cleaning 4 10 onfiguring 2 1 PU initialization 5 description 1 1 nstalling on cart 2 2 odel differences 1 operation 3 1 17 erational overview 5 1 options and accessories 1 9 11 assword 2 1 specifications 1 5 ardiograph specifications 1 8 1 O m lescription 1 arts list 8 20 changing the date setting 2 16 he line fuses 2 10 he line voltage setting 2 8 he time setting 2 16 hoosing a report format 3 4 he line frequency 2 1 ircuit descriptions 5 4 27 leaning 4 10 13 ardiograph 4 10 electrodes 4 13 sensor 4 11 patient data cable 4 13 printhead 4 1 leaning materials 4 10 4 11 global 2 19 e
206. uency 40 Hz ORSD 2000 Hz RMS RMS 40 LAS uv 256 48 178 48 164 Sampling requency 256 0 256 48 177 ee et td 100 200 100 200 Unfiltered leads Filtered leads Scale 121uV mm Scale 8uV mm 300 ms Figure 3 5 An SAECG Report Vector magnitude cate Dept Roon Oper 178 3uV mm ECG 24121 1 5 Vector Operation 3 9 Main Functions Note Note 3 10 Operation This section discusses the cardiograph features and functions that you access from the alternate main menu selected by the key To begin press until the following display appears Transmit Store Config CheckDisk Files Transmit Selects stored ECGs for transmission to another site Store Stores the last recorded Auto ECG on disk Config Provides access to the cardiograph s operating parameters Refer to Chapter 2 CheckDisk Checks the disk and reports how much storage capacity is in use Files Provides access to the stored files for ID editing printing analyzing M1700A only or deleting These functions are described in the following pages The Transmit softkey appears only on the M1700A The M1702A key brings up the following menu Configuration Global ID Print Exit Global Allows you to set the operating parameters of the cardiograph The Global configuration affects all cardiograph operations ID Allows you to choose which patient identification entries ar
207. uire both SAECG standard ECGs To get the best results for SAECG remove the LL and LA leadwires and install shorting plugs in the LL and LA inputs The cardiograph can be set to operate at nominal line voltages of 100 120 220 230 or 240 Volts It was set at the factory to the line voltage in your area Nevertheless it is a good idea to check the setting especially if the cardiograph was brought from an area with a different line voltage The cardiograph can be damaged if plugged into the incorrect voltage or if fused incorrectly The voltage setting appears in the line module window The line module is located on the rear panel immediately to the right of the AC switch see Figure 2 5 If the voltage setting is incorrect change it to the correct setting for your area using the procedure that follows If you need to change the voltage setting be sure to also check the line fuses Modem 9V 1 4A M 1700 47 Figure 2 5 The Line Module and AC Switch A Voltage selection drum B Fuse holders Installation and Configuration Caution To change the voltage setting 1 Unplug the power cord from the line module 2 Open the line module door with a small bit screwdriver 3 Remove the voltage selector drum from the line module The voltage selections marked on the selector drum are 100 120 220 or 240 Do not rotate the voltage selector drum while it is
208. ust match the template as closely as possible Average to Noise level The end of the averaging process is controlled by either Beats the average noise level of the three leads or by a total number of accepted beats Number of beats 1 9990 The total beats that must be collected before the process completes Noise level 0 100 The noise level required before the process completes Automatic file naming This controls whether the file is named automatically Manual file naming is used for easier file exchange with the Corazonix Predictor 1 This field appears only if Beats is selected in the Average to field 2 This field appears only if Noise level is selected in the Average to field B 4 M1754A Signal Averaged ECG SAECG System Measurement Fields Table B 2 shows the choices available to configure measurement Table B 2 Measurement Processing Configuration Fields Setting Choices Filter frequency 40 This sets the frequency of the high pass filter 80 25 Unfilt lead scaling Auto This sets the automatic scaling of the unfiltered leads Manual on the printed report Unfilt lead scale 1 100 nV mm scale used for unfiltered leads on the printed reports Filt lead scaling Auto This sets the automatic scaling of the filtered leads on Manual the printed report Filt lead scale 5 pV mm scale used for filtered leads on the printed reports Vector scaling This sets the vecto
209. ver assembly Troubleshooting 6 23 T or VPRINT es p 15 M1700 37 Figure 6 3 Voltage Test Locations 6 24 Troubleshooting 7 Removal and Replacement Introduction Note Note 45 v This chapter contains procedures for removing and replacing these cardiograph subassemblies m The battery m The keyboard and the user interface assembly m The printer drive assembly m The preview screen assembly M1700A only m The top cover assembly m The printhead assembly m The preview logic board M1700A only m The CPU assembly The disk drive M1700A and 1701 only As of February 1992 all new PageWriter XL cardiographs are manufactured to a revised mechanical design specification All units having a serial number prefix of 3208A or later conform to this revised specification This chapter contains procedures for all PageWriter XL cardiographs The particular procedure you will use depends on the serial number prefix of the PageWriter you are servicing Make sure you use the correct procedure for your particular cardiograph The way in which wires and cables are routed and dressed inside the main chassis plays an important part in reducing electromagnetic and radio frequency interference emitted by the cardiograph When you disassemble any part of the cardiograph pay special attention to the way cables and wires are routed and dressed When you reassemble the cardiograph be sure to route and dress all
210. w Display Assembly Diagram Parts Lists 8 17 Table 8 6 Preview Display Assembly Parts List Ref Description Part No No Replacement preview assembly complete M1700 67104 Preview LCD M1700 27904 Preview power supply 1700 60102 Knob 1700 47501 Preview bezel assembly M1700 67203 Preview back cover M1700 47222 Preview ESD shield serial number prefixes M1700 84594 prior to 3208A only Clutch cover right M1700 47101 Clutch cover left 1700 47102 Display cable includes left preview clutch M1700 61620 Preview clutch M 1700 67901 Cover top rear M 1700 47225 PageWriters having a serial number prefix of 3208A or later have a Ll e new design that allows easier component level repair of the preview screen assembly 8 18 Parts Lists Figure 8 6 Cart Exploded Diagram Parts Lists 8 19 Table 8 7 Cart Parts List No Cart assembly M1705A Paper tray 1705 47305 Upper tray M1705 47301 Lower tray M1705 47302 Handle M1705 67300 Handle bolt 2940 0281 Front caster 1492 0150 Rear wheel removable axle 1492 0151 Rear wheel painted axle 1492 0129 Touch Up Paint French Grey 6010 1147 Paper management tray not shown M1705 89500 Table 8 8 Cart Fastener List Cardiograph securing screw captive M1700 27907 Ring retaining 2 per rear wheel 0510 1195 Lock nut secures front caster 0590 1037 Screw tpg 6 19 secures upper and lower trays 0624 0654 Screw tpg 6 19 secures pa
211. will appear on the display at the Phone number prompt The phone number is limited to 36 characters including tone and pause characters The Pause softkey inserts pauses which appear as commas in the display into the dialing sequence The pause avoids dialing errors that can occur if the number is sent too rapidly An example would be 1 234 567 8900 The length of the pause is selected with the pause length parameter The Tone W softkey inserts a tone wait which appears as a W in the display into the dialing sequence The W in the number instructs the modem to wait for a dial tone before completing the dialing sequence For example 9W1 234 567 8900 instructs the modem to dial the 9 for an outside line then wait for a dial tone before it dials the rest of the number If you want to change one of the characters use the left and right arrow keys 4 and to move the cursor to the digit you want to Installation and Configuration 2 29 change and type the new number The new character will replace the old one Or you can use the backspace key to erase back to the character you want to change then retype the erased part with any changes you want to make Receive When you select Receive the parameter selection display appears The following table lists each parameter and the settings available The default setting for each parameter is shown in boldface type Table 2 5 Site Receive Configuration Setting Choices
212. wo rhythm formats 3x 4 1R or 3 x 4 4 Press Leads to select which leads are recorded for the rhythm strips Select X Y or Z for the rhythm strip lead with the 3 x 4 1R format and select X Y Z for the rhythm strip leads with the 3 x 4 3R format The VCG format representation that is currently configured will be displayed in parentheses next to the ECG format Refer to the VCG Report Formats section later in this chapter for information about VCG report formats Press Auto The VCG report will be printed after the ECG Auto report is printed 6 Press for additional copies D 4 Vectorcardiography 1790 that has been accquired with Frank leads and press Print Both e Printing a Stored VCG Print a stored VCG the same way you print a stored ECG Select a the Auto ECG report and the VCG report will be printed Preventing the VCG To prevent the one page VCG report from printing when the patient Report from Printing is connected to Frank leads select a report format that is not one of the following formats 3x4 IR X 3x4 1R Y 3x4 1R 7 3x4 3R XYZ Vectorcardiography M1790A D 5 VCG Report 135601 07 01 1990 10 04 55 FARLEY CHARLOTTE UNIVERSITY MEDICAL CENTER 19 gears Femelle 134 De Dept ER 1 3234 18 Horrtoetad ORS plane s Man QRS y5 QRS o AUTO e 9e Mvs QRS ay1 1 49aV 4 E w SCALAR S0us s 20ma

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