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Service manual - Frank`s Hospital Workshop

1. 4 23 ECG Findings List 1516066 4 24 Recording Resolution SOHN a bn 4 25 Cue Mark 4 26 Time Setting ciere lt Ded aie nee Pan ua d E EUR e ze da 4 28 Setting the Date and Time iet tasse tr e rg d e at 4 28 Hoard Umt Description 5 1 Block Diagrami 5 1 Power e 5 2 ECG CONTROL BOAd 5 2 LT 5 3 INVERTER Boat EE 5 3 Disassembly and 6 1 a LS TE 6 1 Warnings lt and Cautions 6 1 TOOLS c ih 6 1 Service Manual ECG 9110 9130 Rev CONTENTS Board and Unit 6 2 NG7o ja Toi o pm 6 3 Removing the Top Casihg ASSy tec e ini iau nee 6 4 Removing the ECG CONTROL Board ssssssssseseseseeeeeeenern nennen nennen nnne nnns 6 5 Removing the Power Unit and POWER 6 6 Replacing the 6 7 Removing the T
2. 12 1 9Ah 21 22 23 Name 17 Patient input connector 18 EXT IN 1 2 connector 19 CRO OUT connector 20 SIO connector 21 Battery compartment 22 Equipotential ground terminal 23 AC power cord socket Left Side Panel Name 24 Magazine 25 Magazine release button 1 8 Service Manual ECG 9110 9130 Rev B 1 GENERAL ECG 9130K P Top View Electrocardiograph LCD screen NIHON KOHDEN 000000000000000000 00000000000000000000 oo Magazine 00000000000000000000 ECG 9130K Operation panel The keyswithes on the ECG 9130P have a name label instead of the symbol Service Manual ECG 9110 9130 Rev B 1 9 1 GENERAL Operation Panel Name POWER Battery charge lamp Battery operation lamp AC power lamp F2 function keys MODE key Keyboard RHYTHM key lamp FEED MARK key FILTER key lamp 11 COPY CAL key lamp 12 START STOP key lamp 13 AUTO MANUAL key lamp No 1 10 Service Manual ECG 9110 9130 Rev 1 GENERAL Right Side Panel For the A mark refer to the descriptions for the Right Side Panel in Section 1 Panel Descriptions of the ECG 9130K or 9130P Operator s Manual
3. 9 6 CNJ102 to PAPER SENSOR Board 9 6 CNJ103 to Motor Assy en nnns innen 9 6 CGNJ111 to PO Gard 9 7 CNJ121 to LCD CN Board 2222242 00 0 0 9 7 CNJ401 to CRO nan 9 7 CNJ402 to EXT INPUT1 Connector nn 9 7 CNJ403 to EXT INPUT2 Connector 9 7 FEASELROM Board ivi cree indie da cedet de Ona ea 9 8 CNJO21 to ECG CONTROL Board nn 9 8 INVERTER kake ja is te costa 9 10 CN1 to ECG CONTROL Board nennen nnns 9 10 CN2 to LCD Module 02224 00 0 nennen nennen inneren 9 10 External Input Output Socket 9 11 SIO SOCKE et tieni AE Ec ir Me ent 9 11 EXT Input and CRO nana 9 11 Service Manual ECG 9110 9130 Rev A 9C 1 Power Unit CN101 to AC Inlet Pin Signalname Description 1 AC AC power 2 DGND Ground 3 AC AC power CN21 to ECG CONTROL Board 8 CONNECTOR PIN ASSIGNMENT Pin Signalname Direction Description 1 5 Input 5 V for digital circuit 2 5 Input 5 V for digital circuit 3 5 Input 5 V for digital circuit 4 NC Not connected 5 AGNDSND Ground for sound analog circuit 6 DGND Ground for digital circuit 7 DGND Ground for digital circuit 8 DGND Ground f
4. M 9 1 rop ed 9 1 CN21 to ECG CONTROL Board 9 1 CN301 to Thermal Head cioe pene deat cete tace ee slave 9 1 CN501 to Battery nana 9 1 EGGCONTROL Board E OR 9 2 CNJOTT to Thermal Head 5 2 caeteri otto 9 2 CNJO21 to FLASH ROM Board 9 2 CNJO32 to Key Connector cain tuere repeteret pere ii ni 9 4 to KEY BOAT edet eem eet et nate n a 9 4 CNJO035 to Power Uit 2 eia Ea pil Bde ua ta RR andl 9 5 CNJ091 to 2 2 iti eda re terr node a gne voden 9 5 CNJ101 to SIO Connector nennen nennen nnne nnns entrent 9 6 CNJ102 to PAPER SENSOR Board 9 6 CNJT1OS to Motor ASSY 9 6 CNJ111 to PC Card 9 7 CNJ121 to LOD CN Board iinet eie Gadsden delle gti 9 7 CNJ401 icto ua totins ied et eror nace rectus eau 9 7 CNJ402 to EXT INPUT1 Connector nana 9 7 CNJ403 to EXT INPUT2 Connector 9 7 FEASH ROM ome Cede raa 9 8 CNJO21 to ECG CONTROL 9 8 INVERTER Boat 9 10 1 to ECG CONTROL 2 nnne 9 10 CN to ECD Mo
5. 1 9 TOP VIOW rekli 1 9 Operation Panel 1 10 Right Side Paneli 1 11 Lett Side Panel Pete tus eee 1 11 ECG 9132K Electrocardiograph 1 nn 1 12 VIEW 1 12 Operation Panel 1 13 Right Side 1 14 Lett Side Panel reto tet vu veke al Te Pies s 1 14 COMPOSI sine P HE 1 15 ECG 9110K Electrocardiograph 1 15 ECG 9130K Electrocardiograph 2 1 16 ECG 9130P Electrocardiograph 2 1 17 ECG 9132K 3 1 18 aa sec 1 19 Block DIAagrattis 1 20 Connection trajen 1 21 Service Manual ECG 9110 9130 Rev 1 1 1 GENERAL Introduction This service manual provides useful information to qualified service personnel to understand troubleshoot service maintain and repair the ECG 9110K ECG 9130K P and ECG 9132K Electrocardiograph referred to in this service manual as the instrument ECG 9110K or ECG 9130K which includes ECG 9130P 9132 replaceable parts or units of this instrument and its optional units are clearly listed with explode
6. 14 15 16 17 18 0090000 LJ AQ A 4 y P 19 20 21 Name 14 Patient input connector 15 EXT IN 1 2 connector 16 CRO OUT connector 17 SIO connector 18 Memory card slot 19 Battery compartment 20 Equipotential ground terminal 21 AC power cord socket Left Side Panel Name 22 Magazine 23 Magazine release button Service Manual ECG 9110 9130 Rev B 1 11 1 GENERAL ECG 9132K Top View Electrocardiograph LCD screen NIHON KOHDEN Magazine 0000000000000000000 00000000000000000 bes ECG 9132K Operation panel The keyswithes on the ECG 9130P have a name label instead of the symbol 1 12 Service Manual ECG 9110 9130 Rev B 1 GENERAL Operation Panel SSS od oc 9 9 9 9 9 9 0 9 C0 CO 9 D CO 9 9 60 WOO lt gt 00000000 e 7 ALT A Ej ECG 9132 Name POWER key lamp Battery charge lamp Battery operation lamp AC power lamp F2 function keys MODE key Keyboard RHYTHM key lamp FEED MARK key 10 FILTER key lamp 11 COPY CAL key lamp 12 START STOP key lamp 13 AUTO
7. 3 4 Troubleshooting General Operation Problem 3 4 Troubleshooting Recording 3 6 System Error Message 3 7 System Test and Setting 4C 1 SWEET 4 1 4 1 Calling up the Test Level 1 sereias naaa aia 4 2 Calling up the Test Eevel2 eau cstv tintin 4 3 Entering the System Test 4 4 Executing the System Test a aS 4 5 QUITTING ThE System TeSt sacaron 4 6 Exiting the System Test 4 6 4 7 512160 0 mM 4 8 Thermal FCA 2 4 11 ROY wis 4 12 M 4 13 Single Memory 5 Ra 4 14 Continuous Memory Test Mode e 4 14 A 4 15 Gado np sd eee nea eee 4 17 Calibration m 4 18 GormminicatioD ss satin ipe eire situer atra dua boca Puls exe Pues eus Ed Ea 4 19 GRO EXTU ioni EET 4 21 System Setup lnitialization
8. System Test screen appears for the ECG 9130K only as shown in the previous page To cancel printing the following information press the START STOP key The only difference between the ECG 9110K and ECG 9130K printouts is the description of the key explanation Printout ECG 9130K Service Manual ECG 9110 9130 Rev System Test 1 To check system press system test number then press START STOP key To quit the test press AUTO MANUAL key Key Explanation 0 00 SON re Test level 2 Recorder Thermal head Recording resolution setting Key Memory single Memory continuous LCD LED Input unit Calibration Communication CRO EXT1 CRO EXT2 System Setup Initialization Cue mark adjustment 4 0 mm Cue mark adjustment 3 5 mm Cue mark adjustment 3 0 mm Cue mark adjustment 2 5 mm Cue mark adjustment 2 0 mm Cue mark adjustment 1 5 mm Cue mark adjustment 1 0 mm Cue mark adjustment 0 5 mm Cue mark adjustment Cue mark adjustment 0 5 mm Cue mark adjustment 1 0 mm Cue mark adjustment 1 5 mm Cue mark adjustment 2 0 mm Cue mark adjustment 2 5 mm Cue mark adjustment 3 0 mm Cue mark adjustment 3 5 mm Reset elapsed time Font Down Load RS 232C Font Down Load PC CARD Flash memory initialization 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21
9. 22 23 24 25 26 27 28 31 32 33 34 4 3 4 SYSTEM TEST AND SETTING Entering the System Test Number 4 4 Use the following keys on the operation panel to enter a 2 digit number for executing the desired system test e ECG 9110K Refer to ECG 9110K keys and corresponding number values shown below e ECG 9130K Use the number keys The specified system test numbers are indicated in the xx bracket at the right of each system test item on the printout when the Test level 1 or 2 is called up Refer to the Calling up the Test Level X section To delete the entered number press the AUTO MANUAL key To delete a 2 digit number press the AUTO MANUAL key twice At this time the ones digit number is deleted before the tens digit number is deleted ECG 9110K Keys and Corresponding Number Values Number Key Number Key 0 EXTRA key 5 x1 2 5 mm mV GAIN key 1 3 10 12 5 mm s SPEED key 6 1 10 mm mV GAIN key 2 25 mm s SPEED key 7 x2 20 mm mV GAIN key 3 50 mm s SPEED key 8 LEAD key left 4 1 4 2 5 mm mV GAIN key 9 LEAD key right ECG 9110K operation panel O gt o o at ar e EPI um CJ o Ol Q LJ O 1 2 3 4 5 6 7 8 9 0 Service Manual ECG 9110 9130 Rev A Executing the System Test 4 SYSTEM TEST AND SETTING Press the START STOP key For some tests the System Tes
10. Connection Diagram in Section 1 for details with regard to each cable Cable Connection Diagram Ag Li a NS Va PILI 7 55 VDAN Y V DN V X 5 97 8 6 3 Service Manual ECG 9110 9130 Rev A 6 DISASSEMBLY AND ASSEMBLY Removing the Top Casing Assy 1 Turn off the instrument unplug the AC power cord and remove the rechargeable battery 2 Remove the four M3 pan head screws with spring washers from the bottom of the instrument g M3 pan head screw with spring washer 7 CAUTION When opening the top casing assy be sure not to let the top casing assy fall off Otherwise the two cables which connect the following boards and the their connectors may be damaged e LCD CN board and ECG CONTROL board e KEY board and ECG CONTROL board 3 Open the top casing assy in the direction of the arrow shown below Be careful not to pull the cables between the top and bottom casings 4 Disconnect the LCD CN board cable connector and KEY board cable connector from the ECG CONTROL board Top casing assy KEY board cable connector LCD CN board cable connector ECG CONTROL board 6 4 Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY Removing the ECG CONTROL Board CAUTION Local language text is stored in the flash memory on the ECG CONTROL board When the ECG CONTROL board is replaced local languag
11. Operating atmospheric pressure Storage duration and temperature Depends on the battery Storage humidity Storage atmospheric pressure Recording paper storage temperature Recording paper storage humidity Electromagnetic compatibility Other Dimensions and weight Dimensions Weight ECG 9110K ECG 9130K ECG 9130P ECG 9132K 1 4 10 to 40 C 50 to 104 F 25 to 90 RH 70 to 106 kPa 2 weeks or less 20 to 60 C 4 to 140 F Between 2 weeks and one year 15 to 40 C 5 to 104 F Over one year 15 to 25 C 5 to 77 F 15 to 95 RH non condensing 70 to 106 kPa 20 to 50 C 4 to 122 F 25 to 80 RH IEC60601 1 2 CISPR11 Second Edition 1990 1999 Group 1 Class Indoor portable 240 W x 104 H x 324 D mm excluding protrusions Approx 3 8 kg without battery Approx 4 2 kg without battery Approx 4 2 kg without battery Approx 4 2 kg without battery Service Manual ECG 9110 9130 Rev B 1 GENERAL Safety Safety standard IEC 60601 1 1988 IEC 60601 1 Amendment 1 1991 60601 1 Amendment 2 1995 IEC 60601 2 25 1993 IEC 60601 2 25 Amendment 1 1999 Type of protection against electric shock AC power Class I Battery power Internally powered equipment Degree of protection against electric shock Defibrillator proof type CF applied part when patient cable BJ 901D BJ 902D or BJ 903D is used Degree of protection against harmful ingress of water Ordinary equipment
12. Removing the Power Unit and POWER Board section 4 Remove the thermal head with the thermal head bracket thermal head spring and thermal head axle as described in the Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle section 5 Remove the two M3 pan head screws with spring washers holding the recorder base to the bottom casing 6 Use a flat blade screwdriver to pry out the three pawls of the recorder base from the bottom casing as shown in the expanded illustration below to separate the recorder assy from thebottom casing pan head screw with spring washer Recorder base Service Manual ECG 9110 9130 RevA 6 13 6 DISASSEMBLY AND ASSEMBLY Removing the Battery Terminal Assy Battery terminal assy 6 14 Remove the top casing assy as described in the Removing the Top Casing Assy secion Remove the thermal head with the thermal head bracket thermal head spring and thermal head axle as described in the Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle section Remove the motor assy as described in the Removing the Motor Assy section Remove the Motor assy as described in the Removing the Motor Assy section Remove the recorder base as described in the Removing the Recorder Base section Remove the two M3 pan head screws with spring washe
13. Spacer bolt L10 Rubber spacer TM 166 12 Bearing B F3 27 Ultra spring No 5542 Aligning plate Thermal head bracket Thermal head axle Thermal head spring SP bracket Coil cushion Mark sensor board plate Recorder base Guide spacer Gear assy Motor assy Bottom casing Battery terminal assy Battery spring bracket Ultra spring No 6544 Rubber foot Thermistor seal Battery holder Battery case cover Ground terminal assy Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST ji SW 8 3 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST Index 500 502 503 504 505 506 508 509 510 511 512 513 8 4 NK Code No 2249 000983B 6114 008437A 294397 6114 091171A 6114 091117A 294949 6114 091126A 6111 004691B 6114 088353A 294397 547534 6114 091135A 6114 071932A YZ 015H3 6113 031497A 6112 011618A 545946 543984 UT 2368 UT 2367 UT 23572 UT 23581 UT2358 534771 568036 JEY 9S 1A2B SC 904D 547605 357035 332543B RK 0015 UT 2369 Qty e e N e e N e N e nm e om Description Platen roller Platen axle assy E ring E 32 Magazine lock axle Magazine release lever Bearing SS5 8ZZ Magazine spacer Magazine Magazine shaft E ring E 32 Ultra spring C147 Magazine lock Magazine lock spring ECG 9110K top casing ECG 9110K LED rubber ECG 9
14. System Test Test level 1 1 Demonstration 00 To check system press system Recorder 01 test number then press Key 02 START STOP key Memory 03 2 LCD LED 04 To quit the test press Input unit 05 AUTO MANUAL key Calibration 06 Communication 07 Key Explanation CRO EXTI 08 CRO EXT2 09 System Setup Initialization 10 ECG Findings List Recording 111 Sytem Test Screen ECG 9130K stem Test Enter test number Press Start Stop key to start test Test number 4 2 Service Manual ECG 9110 9130 Rev A Calling up the Test Level 2 1 If the power is on turn it off 4 SYSTEM TEST AND SETTING NOTE Release the FEED MARK key immediately after the instrument starts printing If you continue to hold the FEED MARK key for more than 15 seconds the instrument recognizes that the FEED MARK key is short circuited and prints the system information Error 05 at the end of printing 2 Press the POWER key while pressing the FEED MARK and AUTO MANUAL keys together Hold the FEED MARK and AUTO MANUAL keys until the instrument begins to print the system test procedure relationship between the input number and its corresponding key name on the operation panel and system test number list as shown below The Test level 2 is called up and the instrument is in standby mode for entering the system test number The
15. e Cue mark adjustment LCD is checked for the ECG 9130K only Service Manual ECG 9110 9130 Rev A NOTE In the description of some test items in this section whenever it is appropriate a description of the source of problem and its corrective action will be described in table form for fast and easy troubleshooting If none of the actions solve the problem contact your Nihon Kohden representative 4 1 4 SYSTEM TEST AND SETTING Calling up the Test Level 1 1 If the power is on turn it off NOTE Release the FEED MARK key immediately after the instrument starts printing If you continue to hold the FEED MARK key for more than 15 seconds the instrument recognizes that the FEED MARK key is short circuited and prints the system information Error 05 at the end of printing 2 Press the POWER key while pressing the FEED MARK key Hold the FEED MARK key until the instrument begins to print the system test procedure relationship between the input number and its corresponding key name on the operation panel and system test number list as shown below The Test level 1 is called up and the instrument is in standby mode for entering the system test number The System Test screen appears for the ECG 9130K only as shown below To cancel printing the following information press the START STOP key The only difference between the ECG 9110K and ECG 9130K printouts is the description of the key explanation Printout ECG 9130K
16. Deere NERE 1 14 Lett Side Panel 1 14 COMPOSITION PEE 1 15 ECG 9110K Electrocardiograph nn 1 15 91 eene 1 16 ECG 9130P 1 17 ECG 9132K Electrocardiograph cccccceceescceeeeceeeecaeeeeenaeeeeeaeeeeeaeeetenaeeeseaeeenee 1 18 Mou 1 19 Block PAG AN eerie 1 20 Connection Diagram sisi edt cadens a ed dvds 1 21 Section 2 Maintenance 2C 1 2 1 Periodic Replacement Schedule sesenta 2 1 Cleaning aiaa a ee daa ie ty e ie tud eura nuda 2 2 Cleaning and Greasing 00004 0 0 0 2 2 Cleaning the Thermal Head 0 nn 2 2 Cleaning the Paper Mark Sensor and Paper Empty 2 3 Cleaning the Motor Rotation Sensor and Greasing the Motor Gear and Gear Meshed with Motor Gear 2 4 Service Manual ECG 9110 9130 Rev B 1 CONTENTS Section 3 Section 4 Section 5 Section 6 C 2 Troubleshooting and System Error Message 3C 1 Troubleshooting Flowchart 3 1 Troubleshooting Table
17. XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX XXXXX XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX H XXXXX XXXXX H XXXXX XXXXX Check Procedure for Characters H and X Check that all the parts of the characters and X are clearly evenly and completely printed and that the characters are not printed zigzag or diagonally Possible Source of Problem Corrective Action Incorrectly set thermal head recording Adjust the thermal head recording resolution resolution setting as described in this section Faulty cable connection to the CNJO11 Check the cable connections to the CNJO11 connector on the ECG CONTROL board or connector on ECG CONTROL board the CN301 connector on the power unit and the CN301 connector
18. single and continuous When single memory test mode is selected entire memory is tested once When continuous memory test mode is selected the memory is continuously tested until the AUTO MANUAL key is pressed The number of Count of test increases by one each time the entire memory test is tested One complete memory test takes about 30 seconds If no fault is detected an message appears for each memory If a fault is detected an Error message appears and the number of Error count for each memory increases by one Printout of Memory Test Result Memory test result Count of test 1 Error count Main memory BIT ADR OK 0 Recorder memory BIT ADR Error E88004 000000h 1 VRAM BIT ADR Error C10000h C10004h 1 Program ROM OK 0 Flash memory NONE 0 Input unit SRAM Error 1 Input unit ROM OK 0 Input unit EEPROM OK 0 File memory Error 1 RTC SRAM OK 0 Hospital NIHON KOHDEN HOSPITAL Model 9130K Version 01 05 Input unit version 01 01 Analysis version 01 03 Date Oct 16 1998 10 41 AM Cardiograph internal temp 46 5 Elapsed time 9 hours Thermal head temperature 27 0 Battery voltage 12 4 V Service Manual ECG 9110 9130 Rev A 4 13 4 SYSTEM TEST AND SETTING Single Memory Test Mode This mode tests the entire memory once You can use this mode to fully check all memory if a memory problem frequently occurs Procedure Enter the system test number 03 Test level 1 or 04 Test l
19. 020 8778 1882 WHALE ARIAS 20 8 818 024 2340 2565 024 2383 2557 RRS MAP ABH 25 8 KIAM 42028 8815 028 773 6236 028 773 6236 NIHON KOHDEN AMERICA INC 90 Icon Street Foothill Ranch CA 92610 USA Phone 1 949 580 1555 Fax 1 949 580 1550 European Representative NIHON KOHDEN EUROPE GmbH Raiffeisenstrasse 10 D 61191 Rosbach Germany Phone 49 6003 827 0 Fax 49 6003 827 599 NIHON KOHDEN ITALIA S r l Via San Tomaso 78 1 24121 Bergamo Italy Phone 39 035 219 543 Fax 39 035 232 546 NIHON KOHDEN IBERICA S L C Ulises 75A E 28043 Madrid Spain Phone 34 917 161 080 Fax 34 913 004 676 NIHON KOHDEN SINGAPORE PTE LTD 70 Shenton Way 14 05 Marina House Singapore 079118 Phone 65 6224 6700 Fax 65 6224 6216 The model and serial number of your instrument are identified on the rear or bottom of the unit Write the model and serial number in the spaces provided below Whenever you call your distributor concerning this instrument mention these two pieces of information for quick and accurate service Model Your Distributor Serial number PRINTED IN JAPAN
20. 15 Removing the LCD Assy INVERTER Board and LCD CN 6 16 Removing the LOD ASSy tt elec ek 6 16 Removing the INVERTER 6 17 Removing the LCD CN Board 6 17 Removing the Membrane Assy Film Cable and KEY Board 6 18 Removing the Membrane Assy Film Cable and KEY Board 6 18 Replacing the Membrane Assy Film 6 19 Removing the Bottom Casing enne nre 6 20 Replacing the Fuse on the POWER Board 6 21 Replacing the Lithium Battery on the ECG CONTROL Board 6 22 Service Manual ECG 9110 9130 Rev A 6C 1 6 DISASSEMBLY AND ASSEMBLY The procedures in this section tell how to remove replace and install major components in the instrument Before You Begin Removing replacing and installing major components should be done by qualified service personnel Warnings and Cautions WARNINGS To avoid the possibility of injury to yourself or damage to the instrument do not install or remove any component or change switch settings while the power is on and wait 10 minutes before installing to or removing any component from the instrument after the power is off To avoid accidental discharge of static electricity which could damage the instrument components use
21. 2 Do not remove the CNA106 cable from the KEY board 3 Reattach the magazine with the recording paper set 4 Call up the test level 2 Refer to Calling up the Test Level 2 in Section 4 Service Manual ECG 9110 9130 Rev A 7 1 7 ADJUSTMENT Printing Evenness Check and Correction Procedure If the printing is uneven with loss of recording information the following correction procedure allows the instrument to correctly print the recording information 1 Print the characters and From the System Test mode Test level 2 enter the system test number 01 and press the START STOP key Refer to Thermal Head in Section 4 To end printing press the AUTO MANUAL key 2 Check the printed test patterns for evenness of recording and no loss of recording information 3 Ifthe printed test patterns are not even or some information is not printed adjust the printing evenness using the adjustment nut and screw as shown below There are two pairs of adjustment nuts and screws at both edges of the thermal head Adjustment nut 1 ONY AA NE S Adjustment nut 2 Aligning plate 1 7 UR fs MSS SA X d NI Adjustment screw 2 Aligning plate 2 Adjustment screw 1 7 2 Service Manual ECG 9110 9130 Rev A Service Manual ECG 9110 9130 Rev A i ii iii iv 7 ADJUSTMENT If the printed test patterns in the upper area of the recording paper are uneven or
22. Board section Remove the Motor assy as described in the Removing the Motor Assy section Remove the thermal head with the thermal head bracket thermal head spring and thermal head axle as described in the Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle section Remove the recorder base as described in the Removing the Recorder Base section Remove the battery terminal assy as described in the Removing the Battery Terminal Assy section Remove the magazine assy as described in the Removing the Magazine Assy section Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY Replacing the Fuse on the POWER Board NOTE A blown fuse indicates that there may be a faulty circuit in the instrument Always fix the cause of the blown fuse before replacing the fuse The illustration below shows the location of the four fuses inside the instrument Use the correct fuse only The fuse rating is shown on the fuse holder 1 Remove the top casing assy as described in the Removing the Top Casing Assy section 2 Remove the ECG CONTROL board as described in the Removing the ECG CONTROL Board section 3 Remove the power unit as described in the Removing the Power Unit and POWER Board section 4 Remove the blown fuse from the fuse bracket with the small flat blade screwdriver Symbol NK Code No Descr
23. Disconnect the two cables from the POWER board and ECG CONTROL board Push the thermal head axle in either direction of the two way arrow shown in the previous page and lift off the one end of the thermal head axle from its attachment hole Lift off the other end of the thermal head axle from its attachment hole 6 9 6 DISASSEMBLY AND ASSEMBLY Removing the Motor Assy CAUTION Adjusting the motor assy position is required when the motor assy is replaced Refer to Adjusting Backlash between Motor Gear and Platen Axle Assy Gear in Section 7 1 Remove the top casing as described in the Removing the Top Casing section 2 Remove the three M3 pan head screws with spring washers holding the motor assy to the bottom casing 3 Disconnect the motor assy connector from the ECG CONTROL board 4 Lift off the motor assy from the bottom casing M3 pan head screw oa with spring washer e Motor assy Motor assy connector 6 10 Service Manual ECG 9110 9130 Rev A 6 DISASSEMBLY AND ASSEMBLY Removing the Speaker Assy pan head screw with spring washer Service Manual ECG 9110 9130 Rev A Remove the top casing assy as described in the Removing the Top Casing Assy section Remove the two M3 pan head screws with spring washers holding the speaker bracket to the recorder base Disconnect the speaker assy connector from the ECG CONTROL board Spea
24. M3 pan head screws with spring washers holding the LCD chassis to the LCD bottom casing 5 Remove the four M3 pan head screws with spring washers to separate the LCD and LCD chassis 6 Disconnect the LCD film cable and LCD CN board cable from the LCD CN board 6 16 Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY pan head screw with spring washer LCD g g SS LCD film cable 2 re INVERTER board LCD CN board LCD chassis LCD CN board M cabe LCD bottom casing Removing the INVERTER 1 Remove the M3 pan head screw holding the INVERTER board to the LCD Board chassis Removing the LCD CN 1 Remove the M3 pan head screw holding the LCD CN board to the LCD Board chassis Service Manual ECG 9110 9130 Rev A 6 17 6 DISASSEMBLY AND ASSEMBLY Removing the Membrane Assy Film Cable and KEY Board Removing the Membrane Assy Film Cable and KEY Board Top casing assy KEY board connector Membrane assy film cable 6 18 1 Remove the top casing assy as described in the Removing the Top Casing Assy secion Membrane key KEY board 2 Release the locks at both edges of each KEY board connector in the direction of the black arrows with your fingers as shown to the left 3 Pull out each membrane assy film cable from each board connector in the direction of the white arrow as shown to the left 4 Remove the six M3 pan head screws with spring w
25. MANUAL key lamp CNH tn WN Service Manual ECG 9110 9130 Rev 1 13 1 GENERAL Right Side Panel For the N mark refer to the descriptions for the Right Side Panel in Section 1 Panel Descriptions of the ECG 9132K Operator s Manual Name 14 Patient input connector 15 EXT IN 1 2 connector 16 CRO OUT connector 17 SIO connector 18 Memory card slot 19 Battery compartment 20 Equipotential ground terminal 21 AC power cord socket Left Side Panel Name 22 Magazine 23 Magazine release button Service Manual ECG 9110 9130 Rev B 1 GENERAL Composition ECG 9110K Electrocardiograph ECG 9110K 0011 Bottom Casing Assy RK 0012 Internal Parts GC 0012 Motor Assy RH 0002 Magazine Assy RK 0013 Thermal Head Assy RK 0014 Battery Terminal Assy mi RK 0015 PAPER SENSOR Board Assy RK 0010 ECG 9100K Top Casing Assy UT 2369 Key Board Power Unit ECG Control Board uT 23572 Flash ROM Board Cart car Can mE Patient Cable Hanger mE Pater Tray for KD 010A DI 003A Mechano Cardiograph AMP tray for KC 010A JD 010A Option To order a replacement assembly above use the Code No To order a replacement component inside an assembly refer to Section 8 Replaceable Parts List Service Manual ECG 9110 9130 Rev B 1 15 1 GENERAL ECG 9130K Electrocardiograph ECG 9130K RK 001 1 Bottom Casing Assy RK 0012 Internal
26. PIN ASSIGNMENT CNJ101 to SIO Connector Pin Signalname Direction 1 FG 2 TXD Output 3 RXD Input 4 RTS Output 5 CTS Input 6 DSR Input 7 GND 8 DCD Input 9 DTR Output CNJ102 to PAPER SENSOR Board CNJ103 to Motor Assy 9 6 Pin Signalname Direction 1 5 V 2 Input 3 PAMARK Input 4 DGND 5 M Output 6 5 VR301 Output Pin Signalname Direction 1 12 V 2 DGND 3 12 VR 4 MOTRET 5 MOTPP 6 MOTPM Description Ground for main unit Data transmission Data receiving Request to send Clear to send Data set ready Ground for signal Data channel receiving Carrier detection Data terminal ready Description 5 V for paper empty mark sensor Paper empty snsor input Mark sensor input Ground for paper empty mark sensor Paper empty sensor LED output Mark sensor LED output Description Ground for digital circuit LED signal for sensor which detects number of motor rotation Detection input of number of motor rotation Motor power Motor power Service Manual ECG 9110 9130 Rev A CNJ111 to PC Card Model FCN 565P068 G 0422 E4 CNJ121 to LCD CN Board Pin Signalname Direction 1 VIN Output 2 GND 3 VREMOTE Output 4 VBRIGHT Output 5 S Output 6 Output 7 CP2 Output 8 NC 9 LCDON Output 10 LCDIO0 Output 11 LCD 1 Output 12 LCD 2 Output 13 LCD 3 Output 14 5 Output 15 DGND 16 28 Output CNJ401 to CRO Connec
27. The recording paper tracks Dirty thermal head Clean the thermal head zigzag or to one side The recording paper is not Make sure that the recordig paper is properly set in the instrument aligned with the lower recording paper guide The thermal head is incorrectly Readjust the position of the thermal Inaccurate or worn out platen Replace the magazine assy Mem PT __ 3 6 Service Manual ECG 9110 9130 Rev A 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE System Error Message During power up and operation the instrument continuously checks itself for system failure If a failure is detected system information and error history are printed on the recording paper and all operations are stopped System information and error history are also displayed ECG 9130 only or printed due to transient noise After printing the system information and error history the power of the instrument is automatically turned off NOTE If the same system information appears again after restarting the instrument do not use the instrument until service personnel has corrected the cause of the problem Sending a copy of the system information to your nearest Nihon Kohden distributor helps us to troubleshoot your problem quickly System Information Indicates an error number to identify the problem To solve the problem do the corrective action described below Error No Corrective Action 00 Input unit error An interrupt signal o
28. a wrist ground strap when installing or removing any component of the instrument CAUTIONS Before connecting or disconnecting any cables turn off the instrument unplug the AC power cord from the instrument and remove the rechargeable battery Fuses cut off the power when an abnormality occurs in the instrument Eliminate the malfunction before replacing the fuse Use the correct fuse only The fuse rating is shown on the holder Removal and replacement of any component in the instrument should be done by qualified service personnel Use only parts recommended by Nihon Kohden to assure maximum performance from your instrument Required Tools Service Manual ECG 9110 9130 Rev A Anti static bench mat Wrist ground strap Phillips screwdriver insulated type Flat blade screwdriver insulated type Hex Allen wrench or hex keys Hex driver Tweezers 6 DISASSEMBLY AND ASSEMBLY Board and Unit Location The following see through diagram shows the location of the boards and units in the instrument See through Diagram Motor Assy LCD Assy for ECG 9130K only INVERTER Board for ECG 9130K LCD CN Board for ECG 9130K only Power Unit PAPAER SENSOR Board Assy KEY Board for ECG 9130K only 6 2 Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY The following cable connection diagram shows the connection of the cables in Cable Connection the instrument Refer to
29. adjustments are required Thermal head position Refer to Adjusting Thermal Head Position in Section 7 Recording resolution Refer to Recording Resolution Setting in Section 4 Removing the Thermal 1 Remove the top casing assy as described in the Removing the Top Casing Head Only Assy section 2 Use a flat blade screw driver to pry out the two thermal head springs from each thermal head spring stopper as shown in the expanded illustration below 3 Remove the two pan head screws with spring washers holding the thermal head to the thermal head bracket 4 Disconnect the two cables from the POWER board and ECG CONTROL board 5 Pull out the thermal head Thermal head M3 pan head screw bracket 54 with spring washer Thermal head Ss NES Cable from POWER board a Cable from ECG o CONTROL board Thermal head spring stopper Thermal head axle Thermal head Thermal head attachment hole spring axle 6 8 Service Manual ECG 9110 9130 Rev A Removing the Thermal 1 Head with the Thermal Head Bracket Thermal Head Spring and Thermal 2 Service Manual ECG 9110 9130 6 DISASSEMBLY AND ASSEMBLY Remove the top casing assy as described in the Removing the Top Casing Assy section Use a flat blade screw driver to pry out the two thermal head springs from the thermal head springs stopper as shown in the expanded illustration below
30. blurred loosen the adjustment nut 1 and turn the adjustment screw 1 If the adjustment screw 1 is turned the aligning plate 1 one end of the thermal head moves as shown by the two way arrow in the illustration in the previous page Turning the screw one full revolution clockwise moves one end of the thermal head 0 5 mm towards the magazine Turning the screw one full revolution counterclockwise moves one end of the thermal head 0 5 mm away from the magazine If the test patterns in the lower area of the recording paper are uneven or blurred loosen the adjustment nut 2 and turn the adjustment screw 2 Check the printed test patterns for evenness of recording and no loss of recording information If the unevenness and blur of the printed test patterns are further worse than before turn the adjustment screw oppositely against the direction of the screw rotation in the above step i Repeat the printing evenness check and correction procedure until the recording is evenly printed with no loss of recording information If the test patterns are evenly printed with no loss of recording information go to the following Skew Check and Correction Procedure section to print the recording information with no skewing 7 3 7 ADJUSTMENT Skew Check and Correction Procedure If the printing skews to one side do the following correction procedure 1 Print the calibration waveforms From the System Test mode Test level 2
31. number e ECG 9130K A System Setup Initialization message appears with one bing bong alarm sound and the instrument returns to the stanby mode for entering the system test number Refer to the ECG 9110K 9130K operator s manual for the factory initial settings Following is the LCD display after the system has been initialized ovetem lest Enter test number Press Start Stop key to start test Test number Svetem Setup Initialization Service Manual ECG 9110 9130 Rev 4 23 4 SYSTEM TEST AND SETTING ECG Findings List Recording This is used to print out the list of all ECG findings used for the instrument The instrument informs you of the ECG finding as a result of the ECG interpretation when analyzing the ECG Procedure Enter the system test number 11 Test level 1 and press the START STOP key When the list is completely printed one bing bong alarm sound is generated and the instrument returns to the standby mode for entering the system test number To cancel printing the list press the START STOP key or AUTO MANUAL key The instrument returns to the standby mode for entering the system test number 4 24 Service Manual ECG 9110 9130 Rev A 4 SYSTEM TEST AND SETTING Recording Resolution Setting This is used to adjust the thermal head recording resolution after the thermal head is replaced with a new one or when the printout is not clearly evenly and completely printed Norm
32. screw with spring washer Motor gear Platen axle assy gear pan head screws Motor assy with spring washer 7 6 Service Manual ECG 9110 9130 Rev A Section 8 Replaceable Parts List General Paris 8 2 TOP CASING ASSy sorsra 8 6 Top Casing Assy YZ 015H3 for 9110 0 0 0 440 8 6 Top Casing Assy YZ 014H4 for ECG 9130K 0200 4 40 8 7 Top Casing Assy YZ 022H2 for 9130 0 0 040 8 8 Top Casing Assy YZ 035H7 for ECG 9132K 0 8 9 Motor Assy Y Z 0 TAET RA Rd vpe skalo bejba 8 10 Gear VA 8 11 Battery Terminal Assy 2 1 5 8 12 LCD Top Casing Assy 2 013 9 8 13 ec 8 14 nM M E 8 14 bata M 8 16 Patient Cable 8 18 Service Manual ECG 9110 9130 8C 1 8 REPLACEABLE PARTS LIST When ordering parts or accessories from your nearest Nihon Kohden Corporation distributor please quote the NK code number and part name which are listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptl
33. 10 30 AM No 2 Error number 15 No 3 Error number 15 NIHON KOHDEN Mon Apr 20 10 41 11 JST 1998 Service Manual ECG 9110 9130 Rev A 3 9 Section 4 System Test and Setting System 4 1 he Naty 4 1 Calling up the Test 1 4 2 Calling up the Test Level 2 4 3 Entering the System Test Number 4 4 Executing the System ER REL e e ER He t ankle 4 5 Quitting the System Test 4 6 Exiting the System Test nennen nen 4 6 Demonstration nent etes 4 7 ROCOTO mI 4 8 Thermal Head e 4 11 IR OY tede etse duae eode odi dc NANA ethene Ene etudes 4 12 ccce ntl see dde addin 4 13 Single Memory Test Mode 4 14 Continuous Memory Test Mode ana 4 14 EE 4 15 Inp t Unit Peek as a eee ees etd teak eects 4 17 Calibration rere 4 18 Gommunication sz reo ep a aao eben enden 4 19 CRO EXT1 amp 2 nana 4 21 System Setup Initialization 4 23 ECG Findings List Recording s citati ttr o
34. 110K rubber switch LCD module INVERTER board LCD CN board KEY board for ECG 9130K FLASH ROM board ECG CONTROL board for ECG 9110K ECG CONTROL baord for EG 9130K Patient input connector EXT IN 1 2 CRO OUT connector SIO connector Power unit Speaker assy Thermal head Battery PAPER SENSOR board KEY board for ECG 9110K Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST NAH 4 co ap 8 5 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST Top Casing Assy Top Casing Assy YZ 015H3 for ECG 9110K Index NKCodeNo Qty Description 1 6122 004091A 1 ECG 9110K top casing 2 6124 029113 1 Connector mark label 8 6 Service Manual ECG 9110 9130 Rev B Top Casing Assy YZ 014H4 for ECG 9130K Index NK Code No Qty Description 1 6143 008493C 1 Membrane key 2 6111 004655B 1 ECG 9130K top casing 3 6124 029113 1 Connector mark label Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST 8 7 8 REPLACEABLE PARTS LIST Top Casing Assy YZ 022H2 for ECG 9130P Index NK Code No Qty Description 1 6143 010748 1 Membrane key 2 6111 004655B 1 ECG 9130K top casing 3 6124 029113 1 Connector mark label 8 8 Service Manual ECG 9110 9130 Rev B Top Casing Assy YZ 035H7 for ECG 9132K Index NK Code No Qty Description 1 6143 012719 1 Membrane key 2 6111 004655B 1 ECG 9130K top casing 3 6124 0
35. 2 This is used to check the external output input terminal using the check jig The instrument has two input signal terminals EXT IN connector and the output signal terminal CRO OUT connector at the rear of the instrument In this test the instrument prints the known triangular waveform signals generated inside the instrument at the lower trace on the recording paper the moment the instrument outputs the signals from the CRO OUT terminal to the EXT IN connector At the same time the instrument prints the triangular waveform signals input to the EXT IN connector at the upper trace on the recording paper There is no delay time between the printed waveforms on the upper and lower traces The following is an example printout of the test result Preparation A locally made check jig is required for the test To make the check jig use the two 3 5 monaural jacks and leads and solder the signal line and ground line of the two jacks with leads as shown below Ground line Service Manual ECG 9110 9130 Rev 4 21 4 SYSTEM TEST AND SETTING Procedure 1 Connect the check jig to the CRO OUT EXT IN sockets of the instrument 2 To check the signal line between the CRO OUT and enter the system test number 08 Test level 1 or 10 Test level 2 and press the START STOP key To check the signal line between the CRO OUT and EXT IN2 enter the system test number 09 Test level 1 or 11 T
36. 29113 1 Connector mark label Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST 8 9 8 REPLACEABLE PARTS LIST Motor Assy YZ 014H1 Index NK Code Qty Description 1 6144 005752A 1 Worm assy 2 355091 2 Hexagon socket screw 3 6114 091162B 1 Motor bracket 4 387626A 1 Photo interruptor GP1A53HR 5 6190 018768 1 MOTOR SENS board 6 1 7 343986 1 DC motor FN30 T253NIE 8 1 Motor cable 9 547561A 1 Motor assy cable P kA uss _ 2 8 10 Service Manual ECG 9110 9130 Rev Gear Assy YZ 014H0 Index NK Code Qty Description 1 293479 1 E ring E 24 2 295164A 2 Miniature DDLF 850ZZH 3 6114 091251 1 Drive axle 4 6114 091153B 1 Motor holder 5 355126 4 Hexagon socket screw 6 2219 010333 2 Gear A 7 6114 091269A 1 Drive axle collar 8 2144 000103A 1 Worm foil assy 9 1114 012094 1 Clutch spring 10 1114 011888 1 Clutch boss 8 REPLACEABLE PARTS LIST Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST Battery Terminal Assy Y Z 014H5 Index NK Code Qty Description 1 547614A 1 EHR 6 battery terminal cable L95 2113 013175B Battery bracket e U N 1 2114 040865A 2 Battery terminal 1 Battery cable tube 8 12 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST LCD Top Casing Assy YZ 013H9 Index NK Code Qty Description 1 6122 003787A 1 LCD top casing 2 6114 088362A 1 LCD filter Service Manual ECG 9110 9130 Rev B 8 13 8 REPLA
37. 3 012758A 1 23 6113 024184B 1 24 6114 074519B 1 25 6113 024201D 1 26 6113 024193 1 Description Top plate Fram assy cap Tray 3 Basket holder Frame assy 400 750 Handle 400B Handle grip R2 Handle grip R1 Handle grip L2 Handle grip L1 Base cover BaseL BaseR Guide rail Fixing screw Tray 1 Base plate 400 Caster NKC 150 Caster NKC 150S Screw 1 Handle cap Paper tray Paper tray holder Paper stopper Frame B paper attachment AS 101D attachment NOTE e The parts marked with are available as as parts for the paper tray DI 002A The paper tray DI 002A is an option of the cart e The part marked with is available as parts for the mechano cardiograph AMP tray DI 003A The mechano cardiograph DI 003A is an option of the cart 8 16 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST 4 4 DI 002A 8 17 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST Patient Cable Hanger Index 8 18 NK Code No 6124 202372 6112 00 6045 2219 013205 2219 013214 2114 038707A 6113 016941 6113 016879A 6113 016888 398855 6113 016905 2114 038814B 6113 016923 6114 052392 2114 038672B 2219 011858 6114 052409 289768 6113 016897 6113 016914 2114 038681B 6114 052427 6113 016932 6113 011901 6114 035999 283702 6114 036008 Qty e e e e N e e e N A A A e O e e e N N N N nm Description CH panel N CH cover N CH c
38. 30 Rev A 7 1 7 ADJUSTMENT This section describes how to adjust the thermal head position how to change the magazine paper width e how to adjust the backlash of the motor gear Required Tools Flat blade screwdriver insulated type Phillips screwdriver insulated type Adjusting Thermal Head Position Adjust the thermal head position when the printing is not even some characters or part of a graphic is not printed or skewing occurs This adjustment has two parts the first part adjusts the height of the thermal head and the second part adjusts the alignment of the printing edge perpendicular to the direction of printing When the height of the thermal head over the recording paper is not the same over the entire length of the printing head printing density differs along the length of the thermal head A thermal dot that is nearer to the recording paper gives a denser printing than one that is further away If the thermal dot is too far from the recording paper no printing can occur on the recording paper below this thermal dot When the printing edge of the thermal head is not perpendicular to the direction of printing skewing occurs because some part along perpendicular width of the recording paper is printed earlier than the other part This distorts the printed information to one side of the recording paper Preparation 1 Remove the top casing assy as described in the Disassembly and Assembly section
39. 9110 9130 Rev LD 14 XRESET XDSACKO XDSACKI XOE XWE XBERR LA 22 LA 21 SROMD LA 20 Output Output Output Output Output Output Output Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Output Output Output Output Output Output Output Output Input Output Output Out put Out put Out put Output Output Output Output Output Output Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output 8 CONNECTOR PIN ASSIGNMENT Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Reset Output for system test Output for system test Read output Write output Output for system test Address bus Address bus Serial ROM data Address bus Address bus Output for system test Output for system test Output for system test Address bus Address bus Address bus Output for system test Output for system test Output for system test Output for system test Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus 9 3 8 CONNECTOR PIN ASSIGNMENT 69 LD 18 Input Output 70 LD 17 Input Output 71 LD 16 Input Outp
40. 9110 9130 Rev A Service Manual ECG 9110 9130 Rev 4 SYSTEM TEST AND SETTING The following is a list of the relationship between the adjustment value and its corresponding system test number you should execute System Test No Adjustment Value mm 4 0 3 5 3 0 2 5 2 0 1 5 1 0 0 5 System Test No Adjustment Value mm 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 Enter appropriate system test number and press the START STOP key The Cue mark adjustment xxx mm message is printed and the instrument returns to the standby mode for entering the system test number The adjustment is completed casing Verify that the broken line on the paper lines up with the cutting part on the top 4 27 4 SYSTEM TEST AND SETTING Date and Time Setting Setting the Date and Time 4 28 The date and time of the instrument are set in the System Setup mode In the System Setup mode you can also set the entire system settings of the instrument which determines the operation conditions of the instrument Refer to the ECG 9110K 9130K operator s manual for details This setting is necessary when the back up battery lithium battery is completely or almost completely discharged or replaced with a new one The life time of the back up battery is about 7 years You can note whether the back up battery is completely or almost discharged by the s
41. ART STOP key is pressed Does the recorder print when the recording paper Does the paper empty Yes Check the cable connection is manually pulled out mark blink gt to the CNJ103 connector from under the thermal on the ECG CONTROL head Check the cable connection The ECG CONTROL to the CNJ103 connector board is faulty The ECG CONTROL board is faulty The paper mark sensor is faulty The motor is faulty The ECG CONTROL board is faulty Service Manual ECG 9110 9130 Rev A 3 3 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE Troubleshooting Table Use the troubleshooting table to locate identify and solve a problem in the instrument The problems are divided into general operation and recording Each category has its own troubleshooting table for fast and easy troubleshooting How to use the troubleshooting table 1 Determine which troubleshooting table to use 2 Inthe Problem column find the trouble item that matches the problem 3 Do the action recommended in the Corrective Action column 4 Ifthe problem is not solved do the action for the next possible cause or criteria 5 Ifnone of the actions solve the problem contact your nearest Nihon Kohden dealer Troubleshooting General Operation Problem The power LED lights but there Faulty connection to the CNJ121 Check the connection to the CNJ121 is no display or backlight on the connector on the ECG connector on
42. Board CNJ002 Battery Service Manual ECG 9110 9130 Rev A 5 1 5 BOARD UNIT DESCRIPTION Power Unit The power unit consists of the power source battery charging and control circuits The power unit uses the switching regulation method to produce the power required for the instrument ECG CONTROL Board The ECG CONTROL board consists of the following components Component Description CPU ROM DRAM Flash memory Real time clock Timer Serial interface Speaker circuit Interrupt request Interface Recorder LCD Controller A D converter 5 2 MC68ECO020 Operating frequency 25 MHz For system software 2 MB Main memory 1 MB For font of local language 1 MB For filing data 256 KB For monitoring back up battery built in 140 B SRAM ms timer Interrupt request signal ON OFF selectable Operation mode fixed Equivelent to RS 232C 1 channel Baud rate 2 400 to 115 200 bps selectable Beep sound Sound by noise generator Auto vector method To ECG input section 8 dots mm 320 x 240 dots For keyboard 8 000 samples s 10 bits Service Manual ECG 9110 9130 Rev A 5 BOARD UNIT DESCRIPTION FLASH ROM Board The FLASH ROM board has a 2 MB flash ROM for writing the control program analysis program Japanese font and English font to the ROM Also there is a space for mounting an EEPROM INVERTER Board The INVERTER board produces the power for the LCD backligh
43. CEABLE PARTS LIST Cart KC 010A Cart Index NK Code No Qty 3 6112 006785B 1 4 6114 059901D 2 26 6113 024193C 1 21 6114 074528 1 28 6113 024166 1 29 506855 2 30 6112 009737 1 31 6113 023996 1 32 6112 006606 2 33 6114 024574 1 34 6113 011456D 1 35 6112 007338 1 36 548373 1 37 6143 006949 2 38 6114 070773 1 39 6114 034135A 25 40 506837 5 41 6143 006931B 3 42 292211 10 Description Tray 3 Basket holder AS 101D attachment AS 101D spacer Top plate Frame cap Frame 400A Handle S 2 Basket KD pole holder Pole 1 KD assy Cart base Cable tie Caster 605 M10 hexagon soket head bolt Weight Plain washer Caster NKC 60 Spring washer SW12PB nickel NOTE The parts marked with are available as parts for the mechano cardiograph AMP tray DI 003A mechano cardiograph DI 003A is an option of the cart 8 14 Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST Service Manual ECG 9110 9130 Rev B 8 15 8 REPLACEABLE PARTS LIST KD 010A Cart Index NK Code No Qty 1 6112 008827D 1 2 6113 011465 2 3 6112 006785 1 4 6114 059901D 1 5 6141 000424B 1 6 6113 023559B 1 7 6113 021971C 1 8 6113 021962C 1 9 6113 021953C 1 10 6113 021944C 1 11 6114 040182 2 12 6112 007302 1 13 6112 007311 1 14 6113 019234 2 15 6114 076009 1 16 6112 006598D 1 17 6112 006615F 1 18 6143 006958A 2 19 6143 006967A 2 20 6114 057271B 4 21 6114 040289A 2 22 611
44. CNJO13 CNJO14 KEY Board CNJO11 CNJO12 DL l1 j cnatos CNA201 INVERTER Board CNJ004 Board Temperature sensor CNJ001 POWER Board CNJ002 Battery d CNA401 Service Manual ECG 9110 9130 Rev B Connection Diagram Index NK Code No Description 101 102 103 104 105 201 202 203 204 205 206 207 208 209 301 302 303 304 547597A 547588A 547579A 547632 547561A 547623 547614 547605 51021 0500 L 60 DF11 18DS 2C 51021 05 14 L 140 DF11 16DS 2C 51021 1500 L 250 PHR 11 51021 1400 L 100 DF11 20DS 2C L 50 DF11 6DS 2C L 55 DF 11 6DS 2C L 140 EHR 6 L 95 50 8B 04D DF11 4DS 2C L 60 Ground lead Ground lead Ground lead Ground lead 1 GENERAL Remarks Not contain ferrite Not contain ferrite Directly attached to LCD Directly attached to LCD Not contain ferrite Directly attached to power unit Directly attached to power unit The following is the description with reagard to the ferrites used in the instrument 2 3 NK Code No Description 550851 442077 550102 TFC 16 8 16 SFC 4 FPC 25 12 Service Manual ECG 9110 9130 Rev B 1 21 Section 2 Maintenance Heplacement ectetuer icr rt Ee beet ecd Er spe ETE 2 1 Periodic Replacement Schedule nn 2 1 Cleaning and Greasing ioira igana ia aa a aaea iaaa laaa a Tia ia
45. Degree of safety of application in the presence of a flammable anaesthetic mixture with air oxygen or nitrous oxide Not suitable for use in the presence of a flammable anaesthetic mixture with air oxygen or nitrous oxide Mode of operation Continuous Performance Performance standard IEC 60601 2 51 2003 Service Manual ECG 9110 9130 Rev B 1 5 1 GENERAL Panel Description ECG 9110K Top Panel Electrocardiograph VZ NIHON KOHDEN QRS sync lamp cardiofax Electrode detachment indicator H GGE EXTRA a Operation panel 1 6 Service Manual ECG 9110 9130 Rev B 1 GENERAL Operation Panel NAVE 7555 6555 n a o o o 5559 D A Y Ej amp O O EET Name POWER key Battery charge lamp 44 Ore aVR 1 V4 aVF EXTRA Battery operation lamp AC power lamp PERIODIC key lamp RHYTHM key lamp AGE key lamp SPEED key lamp GAIN key lamp LEAD keys lamp RESET key FEED MARK key FILTER key lamp COPY CAL START STOP key lamp AUTO MANUAL key lamp Meo 0 SAC GPS PR WN _ Service Manual ECG 9110 9130 Rev 1 7 1 GENERAL Right Side Panel For the A mark refer to the descriptions for the Right Side Panel in Section 1 Panel Descriptions of the ECG 9110K Operator s Manual 17 18 19 20 E39
46. G 9132K RK 0011 Bottom Casing Assy RK 0012 Internal Parts GC 0012 Motor Assy RH 0002 Magazine Assy RK 0013 Thermal Head Assy RK 0014 Battery Terminal Assy mt RK 0015 PAPER SENSOR Board Assy RK 0060 ECG 9132K Top Casing Assy UT 2367 Key Board VL 0002 LCD Assy LCD CN Board Power Unit ECG Control Board Flash ROM Board can Can can 255 Patient Cable Hanger mE Pater Tray for KD 010A Mechano Cardiograph AMP tray for KC 010A JD 010A Option To order a replacement assembly above use the Code No To order a replacement component inside an assembly refer to Section 8 Replaceable Parts List 1 18 Service Manual ECG 9110 9130 Rev B 1 GENERAL Location Motor Assy PAPER SENSOR Board Assy Battery Terminal Assy KEY ge for ECG 9130K 9130P 9132K only Service Manual ECG 9110 9130 Rev B 1 19 1 GENERAL Block Diagram CNJO33 CNJ012 CNJ112 CNA104 CRO OUTPUT CZJ CNJ121 Jonson CNJO13 LCD for writing FPGA LCD CN Board EXT INPUT2 ounce ECG CONTROL Board EXT INPUT 1 CNJ043 ma RS232C oe CNAT02 PC CARD own NE Motor Assy Floating ECG INPUT CNJ011 E Thermal Head CNJO21 CNJO35 1 CNA403 CNJO11 FLASH ROM 1 20 NOTE The sheet key LCD module LCD CN board INVERTER board and KEY board are used for the ECG 9130K ECG 9130P and ECG 9132K only mm
47. LA 09 Output 18 LA 10 Output 19 LA 11 Output 20 LA 12 Output 21 LA 13 Output 22 LA 14 Output 23 LA 15 Output 24 LA 16 Output 25 LA 17 Output 26 LA 18 Output 27 LA 19 Output 28 LD 08 Input Output 29 LD 09 Input Output 30 LD 10 Input Output 31 LD 11 Input Output 32 LD 12 Input Output 33 LD 13 Input Output 34 LD 14 Input Output 35 XRESET Output 36 XDSACKO Output 37 XDSACKI Output 38 XOE Output Description Ground for digital circuit Ground for digital circuit 45 V for logic circuit Chip select 1 for ROM Address 000000 to OFFFFF Chip select 2 for ROM Address 100000 to 1FFFFF Serial ROM clock output Serial ROM clock output Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Reset Output for system test Output for system test Read output Service Manual ECG 9110 9130 Rev Pin No 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Service Manual ECG 9110 9130 Rev Signal name XOE XWE XBERR LA 22 LA 21 SROMD LA 20 Direction Output Output Output
48. Output Output Input Output Output Out put Out put Out put Output Output Output Output Output Output Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output Input Output 8 CONNECTOR PIN ASSIGNMENT Description Read output Write output Output for system test Address bus Address bus Serial ROM data Address bus Address bus Output for system test Output for system test Output for system test Address bus Address bus Address bus Output for system test Output for system test Output for system test Output for system test Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus 5 V for logic circuit Ground for digital circuit Ground for digital circuit 9 9 8 CONNECTOR PIN ASSIGNMENT INVERTER Board CN1 to ECG CONTROL Board CN2 to LCD Module 9 10 Pin Signalname Direction 1 VIN Input 2 GND 3 VREMOTE Input 4 VBRIGHT Input 5 NC Pin Signalname Direction 1 Tout Output 2 3 Ioutreturn Input Description 10 4 to 12 V for backlight Ground Ba
49. Parts GC 0012 Motor Assy RH 0002 Magazine Assy RK 0013 Thermal Head Assy RK 0014 Battery Terminal Assy RK 0015 PAPER SENSOR Board Assy RK 0017 ECG 9130K Top Casing Assy UT 2367 Key Board VL 0002 LCD Assy LCD CN Board Power Unit ECG Control Board Flash ROM Board E Patient Cable Hanger SUE Pater Tray for KD 010A Cardiograph AMP tray for KC 010A JD 010A Option To order a replacement assembly above use the Code No To order a replacement component inside an assembly refer to Section 8 Replaceable Parts List 1 16 Service Manual ECG 9110 9130 Rev B 1 GENERAL ECG 9130P Electrocardiograph ECG 9130P RK 001 1 Bottom Casing Assy RK 0012 Internal Parts GC 0012 Motor Assy RH 0002 Magazine Assy RK 0013 Thermal Head Assy RK 0014 Battery Terminal Assy mt RK 0015 PAPER SENSOR Board Assy RK 0038 ECG 9130P Top Casing Assy UT 2367 Key Board VL 0002 LCD Assy LCD CN Board Power Unit ECG Control Board Flash ROM Board Cart 2 Cart 5 Patient Cable Hanger D Pater Tray for KD 010A DI 003A Mechano Cardiograph AMP tray for KC 010A JD 010A To order a replacement assembly above use the Code No To order a replacement component inside an assembly refer to Section 8 Replaceable Parts List Service Manual ECG 9110 9130 Rev B 1 17 1 GENERAL ECG 9132K Electrocardiograph EC
50. SERVICE MANUAL cardiofax O ELECTROCARDIOGRAPH ECG 9110K ECG 9130K ECG 9130P ECG 9132K 0634 001325B NIHON KOHDEN CONTENTS Contents Conventions Used in this Manual and Instrument i Warnings Cautions and 06 i Explanations of the Symbols in this Manual and Instrument i se iloti T 1 1 m 14 MSP VICC POMEN TE 1 2 artes 1 8 e 1 6 ECG 9110K Electrocardiograph 222 4 444200 000 1 6 Nu 1 6 Operation Panel 1 7 Right Side 2 2 1 8 Left Side Panel 1 8 ECG 9130K P 2 1 9 VIGW 1 9 Operation Panel 1 10 Right Side 1 11 22 M aeaa 1 11 ECG 9132K 1 12 Wien EE 1 12 Operation Parle trench tet teste eres edv es dea te ues 1 13 Right Side Panel
51. Signalname Direction 1 5 V Input 2 5 Input 3 5 Input 4 NC 5 AGNDSND 6 DGND 7 DGND 8 DGND 9 12 V Input 10 12 V Input 11 CHGLEDA Input 12 CHGLEDK Input 13 NC 14 POFF Output 15 PWOVER Input 16 HDOVER Input 17 ACLED Input 18 DCXAC Input 19 PSW Output 20 OFFKEY Input CNJ091 to ECG Connector Model JAY 15S 1A28 Pin Signalname Direction 1 C2 Input 2 C3 Input 3 C4 Input 4 C5 Input 5 C6 Iutput 6 SHIELD 7 NC 8 NC 9 R Input 10 L Input 11 F Input 12 Cl Input 13 NC 14 RF Input 15 NC Service Manual ECG 9110 9130 Rev A 8 CONNECTOR PIN ASSIGNMENT Description 5 V for digital circuit 5 V for digital circuit 5 V for digital circuit Not connected Ground for sound analog circuit Ground for digital circuit Ground for digital circuit Ground for digital circuit 12 V for analog circuit and motor 12 V for analog circuit and motor Battery charge lamp LED input Battery charge lamp LED input Not connected Power off output Power overheat input Thermal head power excessive current input AC power lamp LED input Battery operation start input Power on off switch Power off input Description ECG signal input ECG signal input ECG signal input ECG signal input ECG signal input Cable shield Not connected Not connected ECG signal input ECG signal input ECG signal input ECG signal input Not connected ECG signal input Not connected 9 5 8 CONNECTOR
52. This lamp indicates the remaining battery power before and after the LED test during battery operation e AC power lamp Lit e POWER lamp Lit when AC power is used Service Manual ECG 9110 9130 Rev 4 15 4 SYSTEM TEST AND SETTING 4 16 Procedure Enter the system test number 04 Test level 1 or 06 Test level 2 and press the START STOP key After the test the instrument returns to the standby mode for entering the system test number To cancel the test press the AUTO MANUAL key Check Procedure for LCD Test Check that all the dots on the screen light up and go out according to the test pattern Possible Source of Problem Corrective Action Faulty cable connection to the CNJ121 or Check the cable connections to the CNJ121 CNJO13 connector on ECG CONTROL CNJO13 connectors on ECG board CONTROL board Faulty LCD module Replace the LCD module Faulty ECG CONTROL board Replace the ECG CONTROL board Check Procedure for LED Test Check that all the LEDs on the operation panel light up Possible Source of Problem Corrective Action Faulty cable connection to the CNJ121 or Check the cable connections to the CNJ121 CNJO13 connector on ECG CONTROL CNJ013 connectors on ECG board CONTROL board Faulty KEY board Replace the KEY board Faulty ECG CONTROL board Replace the ECG CONTROL board Service Manual ECG 9110 9130 RevA 4 SYSTEM TEST AND SETTING I
53. ai 2 2 Cleaning and Greasing Schedules 22 0 nn 2 2 Cleaning the Thermal 2 2 Cleaning the Paper Mark Sensor and Paper Empty Sensor 2 3 Cleaning the Motor Rotation Sensor and Greasing the Motor Gear and Gear Meshed with Motor Gear Service Manual ECG 9110 9130 Rev A 2C 1 2 MAINTENANCE This section describes the periodic replacement and cleaning of parts which are required to maintain the instrument in good working condition Replacement This subsection only describes replacement schedule for parts that need to be periodically replaced The actual replacement procedures are described in the section for Disassembly and Assembly Read the whole Disassembly and Assembly section especially its Warnings and Cautions before replacing any of the parts described here Periodic Replacement To maintain the performance of the instrument the parts listed in the table below Schedule must be periodically replaced by qualified service personnel Part NK Code No Description Recommendation LCT 1912ANK 332543B Battery See below KTJ 216 8MPF1 NK 357035 Thermal head After 30 km of recording LM32019T 545946 LCD Module After 10000 hours Motor ASSY GC 0012 Motor ASSY After 1000 hours BR2032 1F2 390765 Lithium battery See below Replace the battery when it cannot last for 15 minutes during battery operation at the temperatures between 20 and30 C Rep
54. ally the resistor value of the heating element on the thermal head is a specific value which varies from thermal head to thermal head Even if the same energy is applied to the thermal head the recording quality varies due to the difference of the thermal head resistor value Therefore adjusting the thermal head recording resolution is required to evenly print regardless of the thermal head resistor value Do the following procedure to automatically adjust the thermal head recording resolution Procedure Enter the system test number 02 Test level 2 and press the START STOP key After adjustment is completed the instrument prints out the test result as shown below and returns to the stanby mode for entering the system test number A number of 1 to 8 is printed at the right of Thermal head level if the thermal head resolution is adjusted correctly An Error is printed when it is necessary that the thermal head is replaced with a new one The following is an example printout of the Recording Resolution Setting system test Thermal head level 4 Service Manual ECG 9110 9130 Rev 4 25 4 SYSTEM TEST AND SETTING Cue Mark Adjustment 4 26 This is used to adjust the distance mm between the broken line on the recording paper and paper cutting part on the top casing so that the paper can be just cut at the broken line The ideal adjustment is that the broken line on the paper lines up with the cutting par
55. anual ECG 9110 9130 Rev A 4 17 4 SYSTEM TEST AND SETTING Calibration This is used to check the sensitivity and time constant of the input analog signal processing circuit After starting the test the CAL waveforms for leads I II and V1 to V6 are printed as shown below If all the rectangular printed CAL waveforms have the amplitude of 1 mV and time constant of more than 3 2 seconds the sensitivity and time constant of the input analog signal processing circuit are normal siv AL pere cum V va Prane V RID E D NERA m AUAM B ve et ai Procedure 1 Connect the electrode lead to the instrument Input check jig 2 Attach all tips of each electrode lead to the input check jig 3 Enter the system test number 06 Test level 1 or 08 Test level 2 and press the START STOP key After all CAL waveforms for eight leads are printed the test automatically ends and the instrument returns to the standby mode for entering the system test number To cancel the test press the START STOP key or AUTO MANUAL key The instrument returns to the standby mode for entering the system test number Check Procedure for Calibration Waveforms Check that all the rectangular printed CAL waveforms match the following conditions in the illustration below e Amplitude when CAL waveform is risen 10 mmt2 e Amplitude of point which is 25 mm more than 7 3 mm from the rising point
56. ashers holding the KEY board to the top casing assy Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY Replacing the Membrane Assy Film Cable CAUTION Before each membrane assy film cable is connected to the connector on the KEY board tilt each connector with about 20 degrees Otherwise each membrane assy film cable cannnot be sufficiently inserted into each innermost key board connector Service Manual ECG 9110 9130 Rev A After the KEY board is replaced tilt each KEY board connector about 20 degrees as shown to the left Insert each membrane assy film cable into the innermost KEY board connector and push down each key board connector to lock it as shown by the bigger arrow Push the locks at both edges of each KEY board connector in the direction of the two smaller arrows to lock it 6 19 6 DISASSEMBLY AND ASSEMBLY Removing the Bottom Casing 6 20 NOTE The instrument label is not attached to the bottom of the provided new bottom casing If you want to attach the instrument label to the new bottom casing send us the damaged bottom casing and we will provide the same instrument label at cost price Remove the top casing assy as described in the Removing the Top Casing Assy section Remove the ECG CONTROL board as described in the Removing the ECG CONTROL Board section Remove the power unit as described in the Removing the Power Unit and POWER
57. ced When used for a log time the thermal head may become dirty If the thermal head surface is touched with a dirty hand or if the recording paper is contaminated with chlorides CardioCream or physiological salt solution these will be missing dots on the recording In this case the thermal head requires cleaning Wipe the head section copper color behind the paper cutter with the thermal head cleaner If the wheel gears are dirty clean the gears with cotton moistened with alcohol Service Manual ECG 9110 9130 RevA 2 MAINTENANCE Cleaning the Paper Mark 1 Sensor and Paper Empty Sensor Remove the magazine The illustration below shows the location of the paper mark sensor and paper empty sensor 2 Use apiece of cotton moistened with alcohol to clean both sensors Paper mark sensor Paper empty sensor Service Manual ECG 9110 9130 Rev A 2 3 2 MAINTENANCE Cleaning the Motor Rotation Sensor and Greasing the Motor Gear and Gear Meshed with Motor Gear 2 4 Motor rotation sensor and photodiode Motor assy Detach the top casing from the bottom casing as described in the Disassembly and Assembly section Remove the three screws holding the motor assy to the bottom casing and remove the motor assy Remove the two screws to expose the motor rotation sensor and photodiode Motor gear Gear meshed with motor gear Bottom casing Use a piece of cotton moistened with alcohol t
58. cklight on off input 0 V Not light 5 V Light Backlight brightness control input 0 V when bright is set to maximum Not connected Description Power for backlight Not connected Power for backlight Service Manual ECG 9110 9130 Rev A External Input Output Socket SIO Socket Pin Signalname Direction 1 FG 2 TXD Output 3 RXD Input 4 RTS Output 5 CTS Input 6 DSR Input gi GND 8 HS Input 9 DTR Output 8 CONNECTOR PIN ASSIGNMENT Description Ground for main unit Data transmission Data receiving Reguest to send Clear to send Data set ready Ground for signal Data channel receiving Carrier detection Data terminal ready Main Unit Side Connector on ECG CONTROL Board Connector model NK code No JEY 9S 1A2B Mating Connector Connector DE 9P NK Code No 079362 Case DE C1 J6 NK Code No 080788 EXT Input and CRO Output Main Unit Side Connector on ECG CONTROL Board Connector model NK code No SG8036 Mating Connector Mini plug AP 313 NK Code No 355456A Service Manual ECG 9110 9130 Rev 9 11 Manufacturer NIHON KOHDEN CORPORATION 1 31 4 Nishiochiai Shinjuku ku Tokyo 161 8560 Japan Phone 81 3 5996 8036 Fax 81 3 5996 8100 DESTDSUC EE 8 388 169 3008 8818 021 6469 9016 021 6486 7218 JUR SENSIS S HAM 601 8815 010 6804 9531 010 6804 7366 CADABRE 371 375 8 te PRCA 2516 020 8777 9108 EM
59. d before each paper mark on the second and third pages only Possible Source of Problem Corrective Action If the paper mark is not occasionally Clean the paper mark sensor as described detected the paper mark sensor is dirty in the Maintenance section If the paper mark is not detected at all the Replace the PAPER SENSOR board PAPER SENSOR board is faulty 4 10 About paper mark Every page of recording paper has a paper mark at the lower right corner Pages are divided by broken lines In the automatic recording the recording stops after the paper mark is detected by the mark sensor This enables the next printing to start from the beginning of the next page lt Recording paper gt Broken line Paper feed direction Small rectangle La Paper mark Service Manual ECG 9110 9130 Rev A 4 SYSTEM TEST AND SETTING Thermal Head This is used to check the condition of the thermal head by printing out the characters and continually Procedure Enter the system test number 01 Test level 2 and press the START STOP key The characters and are printed as follows To quit the test press the AUTO MANUAL key and the instrument returns to the standby mode for entering the system test number Printout of Thermal Head Test Result H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H H XXXXX H XXXXX H XXXXX XXXXX H XXXXX H XXXXX XXXXX H
60. d illustration to help you locate the parts quickly The System Test and Setting and Adjustment sections in this service manual describe the maintenance that should be performed by qualified service personnel The Maintenance section in the operator s manual describes the maintenance that can be performed by the user The information in the operator s manual is primarily for the user However it is important for service personnel to thoroughly read the operator s manual and service manual before starting to troubleshoot service maintain or repair this instrument This is because service personnel needs to understand the operation of the instrument in order to effectively use the information in the service manual Service Manual ECG 9110 9130 Rev B 1 1 1 GENERAL Service Policy 1 2 Nihon Kohden Corporation s basic policy for technical service is to replace faulty units printed circuit boards or parts We do not support component level repair of boards and units outside the factory for the following reasons A special facility is necessary to repair multi layer boards because most of the components on the board are SMD surface mount devices and most of the circuits employ a gate array method To fulfill safety certification requirements a special facility is necessary to verify safety as medical equipment after the power unit is repaired NOTE When ordering parts or accessories from your near
61. ding the power unit to the bottom casing 5 Remove the termistor cable from the termistor cable stopper and pull out the thermistor compartment 6 Lift off the power unit from the bottom casing in the direction of the arrow M3 pan head screw a with spring washer Motor cable connector Thermistor cable Thermistor cable stopper 2 Ground terminal Thermistor assy compartment Thermistor seal Thermistor 6 6 Service Manual ECG 9110 9130 Rev A 6 DISASSEMBLY AND ASSEMBLY 6 Remove the five M3 pan head screws with spring washers to seperate the POWER board from its shield base POWER board pan head screw with spring washer Shield base Replacing the Thermistor CAUTION To prevent incorrect temperature measurement the thermistor must be positioned so that only the tip is just past the edge of the transparent thermistor seal 1 Replace the thermistor so that only the tip of the termistor is just past the edge of the transparent thermistor seal Service Manual ECG 9110 9130 Rev A 6 7 6 DISASSEMBLY AND ASSEMBLY Removing the Thermal Head CAUTION Do not touch the surface of the thermal head with your bare hands This can cause some dots of the thermal head to malfunction If you touch the surface of the thermal head clean it with the provided thermal head cleaner pen or cotton moistened with alcohol e After replacing the thermal head the following two
62. dule 2 alain inher eek pereza 9 10 External Input Output SOCKket metet eddie nde 9 11 EE 9 11 EXT Input and CRO Output iN A UI 9 11 4 Service Manual ECG 9110 9130 Conventions Used in this Manual and Instrument Warnings Cautions and Notes Warnings cautions and notes are used in this manual to alert or signal the reader to specific information WARNING A warning alerts the user to possible injury or death associated with the use or misuse of the instrument CAUTION A caution alerts the user to possible injury or problems with the instrument associated with its use or misuse such as instrument malfunction instrument failure damage to the instrument or damage to other property NOTE A note provides specific information in the form of recommendations requirements alternative methods or supplemental information Explanations of the Symbols in this Manual and Instrument The following symbols found in this manual instrument bear the respective descriptions as given Cardiograph Attention consult operator s manual Equipotential terminal Serial input output terminal Battery Service Manual ECG 9110 9130 Rev A Input terminal for analog signal Output terminal for analog signal Eject magazine release button Memory card slot Type CF applied part The CE mark is a protected conformity ma
63. e Changing Procedure 1 Remove the magazine assy as described in the Disassembly and Assembly section 2 Pull out the guide spacer in the direction of the black arrow shown in the illustration below 3 Attach the magazine assy as described in the Disassembly and Assembly section LSS F Magazine assy Service Manual ECG 9110 9130 Rev A 7 5 7 ADJUSTMENT Adjusting Backlash between Motor Gear and Platen Axle Assy Gear Adjusting the backlash between the motor gear and platen axle assy gear is required for the following e After the motor assy is replaced When the recording paper does not feed correctly Correct backlash allows the gear to smoothly rotate and the recording paper to correctly feed If backlash between the motor gear and platen axle is not correct the recording paper is not fed because the motor does not rotate Adjustment Procedure 1 Remove the top casing assy as described in the Assembly and Disassembly section 2 Loosen and fasten the three M3 pan head screws with spring washers holding the motor assy to the bottom casing so that the backlash between the motor gear and platen axle assy gear is 0 2 to 0 3 mm If the backlash of 0 2 to 0 3 mm correctly exists between the motor gear and platen axle assy gear the motor gear finely moves as shown by the two way arrow in the illustration below when you move the motor gear with your finger M3 pan head
64. e text is not available only English text is available To use the ECG with your own language after the ECG CONTROL board is replaced you must reload the local language files to the ECG Refer to the YZ 012H6 Translator Support Tool operator s manual 1 Remove the top casing assy as described in the Removing the Top Casing Assy section 2 Remove the nine M3 pan head screws with spring washers and pan head screw with spring washer 5 Remove the spacer bolt L10 6 Disconnect the following five connectors from the ECG CONTROL board Motor cable connector POWER board cable connector Battery cable connector Speaker cable connector Thermal head cable connector 7 Lift off the ECG CONTROL board from the POWER board Spacer bolt L10 Speaker cable connector Thermal head cable connector Service Manual ECG 9110 9130 RevA POWER board cable connector Motor cable connector M1 pan head screw p spring washer ECG CONTROL board Battery cable connector I M3 pan head screw with spring washer 6 5 6 DISASSEMBLY AND ASSEMBLY Removing the Power Unit and POWER Board 1 Remove the top casing as described in the Removing the Top Casing Assy section 2 Remove the ECG CONTROL board as described in the Removing the ECG CONTROL Board section 3 Remove the ground terminal assy 4 Remove the five M3 pan head screws with spring washers hol
65. enter the system test number 08 and press the START STOP key Refer to Calibration in Section 4 2 To check whether the printing has skewed or not look at the calibration waveform nearest the top of the recording paper and the calibration waveform nearest the bottom of the recording paper The printing is considered skewed if the horizontal distance between the two rising parts of these two calibration waveforms is more than 0 5 mm Rising part Calibration waveform nearest the top edge l L_o 5 mm Horizontal distance between the two rising parts Rising part Calibration waveform nearest the bottom edge 3 correct the skew turn the two adjustment screws 1 and 2 until the length of the thermal head is perpendicular to the direction of printing Turning the screw one full revolution clockwise moves one end of the thermal head 0 5 mm towards the magazine Turning the screw one full revolution counterclockwise moves one end of the thermal head 0 5 mm away from the magazine 4 Repeat the printing evenness check and correction procedure and skew check and correction procedure until the recording is evenly printed with no loss of recording information and no skewing 7 4 Service Manual ECG 9110 9130 Rev A 7 ADJUSTMENT Changing Magazine Paper Width The paper width of the magazine can be changed from 210 mm to 216 mm When the paper width changes the printing width remains the sam
66. est Nihon Kohden Corporation s distributor please quote the NK code number and part name which is listed in this service manual and the name or model of the unit in which the required part is located This will help us to promptly attend to your needs Always use parts and accessories recommended or supplied by Nihon Kohden Corporation to assure maximum performance from your instrument Service Manual ECG 9110 9130 Rev B 1 GENERAL Specifications ECG input Input impedance Electrode offset tolerance Input unit protection Standard sensitivity Common mode rejection ratio Frequency response Waveform data processor Sample rate AC line filter High cut filter EMG filter Time constant Waveform status detection Size Number of dots ECG waveform Displayed data Recorder Printing method Printing density Scanning line density Recording width Number of recording channels Sensitivity selection Paper speed Printed data Mechanical noise Service Manual ECG 9110 9130 Rev B 10 MQ or more 500 mV or more Isolated and defibrillator protected only when the following specified patient cable is connected Patient cable BJ 901D BJ 902D BJ 903D BA 901D BA 903D 10 mm mV 2 100 dB or more 0 05 to 150 Hz 3 dB or more 500 samples s input unit 8 000 samples s 50 60 Hz 75 100 150 Hz 25 35 Hz 3 2 s or more Electrode detachment polarization voltage Noise high freguency LCD monoc
67. est level 2 and press the START STOP key To guit the test press the START STOP key or AUTO MANUAL key The instrument returns to the standby mode for entering the systme test number Check Procedure Check that the shape of the two printed triangular waveforms are the same and there is no delay time between them Possible Source of Problem Corrective Action Faulty ECG CONTROL board Replace the ECG CONTROL board 4 22 Service Manual ECG 9110 9130 Rev 4 SYSTEM TEST AND SETTING System Setup Initialization This is used to reset all the system settings to the factory initial settings NOTE The following settings are not reset to the factory initial settings even if the instrument is initialized date and time e display language recording resolution setting e hospital name e cue mark position e direct modem connection e elapsed time e local language font e saved ECG data For settings marked with refer to the following corresponding subsection in this section for settings marked with refer to Changing Settings Before Measurement System Setup Screen in the ECG 9110K 9130K operator s manual Procedure Enter the system test number 10 Test level 1 or 12 Test level 2 and press the START STOP key If the initialization is completed the folloing occurs e ECG 9110K One bing bong alarm sound is generated and the instrument returns to the stanby mode for entering the system test
68. ev 4 SYSTEM TEST AND SETTING Demonstration This is used to learn or teach instrument operation While executing this test item the instrument generates dummy 12 lead ECG resting waveforms until the power of the instrument is turned off The ECG waveforms can be recorded and also displayed as shown below ECG 9130K only Procedure Enter the system test number 00 Test level 1 and press the START STOP key To quit the test turn the power of the instrument off by pressing the POWER key Dummy 12 lead ECG resting waveforms on LCD esting ECG M 35 Years dep em Lee rfc Va ga p Review Service Manual ECG 9110 9130 Rev A 4 7 4 SYSTEM TEST AND SETTING Recorder This is used to check the condition of the recorder by printing test patterns The recording test patterns consist of the following and are printed in the following order 1 Diagonal lines 2 Characters H and X Test level 1 only 3 Grid 4 Paper speed scales 10 12 5 25 and 50 mm s 5 Paper mark detection The recorder test of Test level 1 contains the same recorder test and thermal head test as Test level 2 With regard to the check procedure for characters H and X refer to the Thermal Head section Procedure Enter the system test number 01 Test level 1 or 00 Test level 2 and press the START STOP key The following test patterns are printed This test automatically ends after the folowing has been
69. evel 2 and press the START STOP key After the test the test result and system setup settings are automatically printed When the test result and system setup settings are completely printed a bing bong alarm sound is generated and instrument returns to the standby mode for entering the system test number To cancel the test or cancel printing the test result and system setup settings press the AUTO MANUAL key Check Procedure for Single Memory Test Mode Check that no Error messages appear Possible Source of Problem Corrective Action Faulty memory on the ECG CONTROL Replace the ECG CONTROL board Each board memory mounted on the ECG CONTROL board cannot be replaced at memory component level Continuous Memory Test Mode Possible Source of Problem Corrective Action Faulty memory on the ECG CONTROL Replace the ECG CONTROL board Each board 4 14 This mode continues testing the entire memory until the AUTO MANUAL key is pressed You can use this mode to check an intermittent memory problem Procedure Enter the system test number 05 Test level 2 and press the START STOP key To print the test result and system setup settings without quitting the test press the START STOP key All results of the tests performed until the START STOP key are pressed is printed on one page To cancel the test press the AUTO MANUAL key All results of the tests performed until the START STOP ke
70. f 2 ms Replace the ECG CONTROL board is generated 01 Input unit error There is no response to the Replace the ECG CONTROL board host 02 Input unit error Communication protocol Replace the ECG CONTROL board error 03 4 bit CPU error Initialization error Replace the ECG CONTROL board 04 4 bit CPU error No response error Replace the ECG CONTROL board 05 A key on the operaton panel is short Replace the KEY board circuited 06 RTC error No interrupt signal of 125 ms Replace the ECG CONTROL board 07 RTC error Incorrect data in SRAM Replace the ECG CONTROL board 08 All the system setup settings other than the Error 08 appears once after the lithium items described in the following note are battery is replaced Corrective action is not returned to the factory initial settings This reguired is because the lithium battery is replaced 09 Lithium battery is completely discharged Replace the lithium battery 10 Replace the ECG CONTROL board 11 Address error Replace the ECG CONTROL board Service Manual ECG 9110 9130 Rev 3 7 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE Error No Meaning Corrective Action 12 Illegal command Replace the ECG control board Vb EEPROM error This occurs due to the Replace the ECG control board EEPROM check error installed language error or communication error between the host and EEPROM Replace the ECG control board Replace the ECG con
71. hermal 4 6 8 Removing the Thermal Head Only 6 8 Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle sese 6 9 Removing the Motor ASS 6 10 Removing the Speaker 4 4 nana 6 11 Removing the PAPER SENSOR Board 6 12 Removing the Recorder 6 13 Removing the Battery Terminal 6 14 Removing the Magazino ASSY 6 15 Removing the LCD Assy INVERTER Board and LCD CN Board 6 16 Removing the a obn 6 16 Removing the INVERTER lt 2 Sled PED aaa 6 17 Removing the LCD CN Board 6 17 Removing the Membrane Assy Film Cable and KEY Board 6 18 Removing the Membrane Assy Film Cable and KEY Board 6 18 Replacing the Membrane Assy Film Cable 6 19 Removing the Bottom Casing 5 ettet Gaia 6 20 Replacing the Fuse on the POWER Board 6 21 Replacing the Lithium Battery on the ECG CONTROL Board 6 22 Section 7 Adju
72. hrome with CCFT backlight for ECG 9130K P ECG 9132K only 5 6 inch 320 x 240 2 8 seconds simultaneous 12 lead ECG waveforms Waveform patient information recording settings operation mode heart rate ORS sync mark error message electrode detachment noise patient information hospital name High resolution thermal printer head 200 dpi 8 dots mm 1 ms 2 ms at paper speed 50 mm s 210 mm 3 4 6 12 1 25 2 5 5 10 20 mm mV Automatically selected in automatic recording only 5 10 12 5 25 50 mm s Program type version date and time paper speed sensitivity lead name filter hospital name patient information timing mark event mark electrode detachment noise RESET mark Printed only when ECG 9110K is used Printed only when ECG 9130K is used 48 dB or less at paper speed 25 mm s 1 GENERAL External input output External input Signal output Serial I O Baud rate Power requirement Line voltage Communication method 10 mm 0 5 V 5 input impedance 100 kQ or more 2 channel 0 5 mV 10 output impedance 100 or less RS 232C 2400 4800 9600 19200 38400 57600 115200 100 to 127V 220 to 240V AC 10 Line frequency 50 or 60 Hz Power input Up to 150 VA Power consumption 60 W or less Built in battery Voltage 12 V LCT 1912ANK Current consumption 8 A or less Battery operation time Approx 30 minutes Environment Operating temperature Operating humidity
73. ing 3 Enter a 4 digit number to enter the new numbers of the year month date or hour minite The range of the number which is possible to enter is as follows Year 1980 to 2079 Month date 0101 to 1231 Hour minute 0000 to 2359 To cancel the entered number press the AUTO MANUAL key Following is the LCD screen when the year 1998 is entered Input getting number Enter getting number and press Start Stop key Number 3181998 Service Manual ECG 9110 9130 Rev A 4 29 4 SYSTEM TEST AND SETTING NOTE e When the START STOP key is pressed in the second setting mode the second is reset to 00 seconds and the instrument starts working from 00 seconds If the power of the instrument is turned off before the START STOP key is pressed the newly entered numbers are invalid 4 Press the START STOP key to save the new numbers The newly entered numbers are automatically printed Following is the LCD screen when year 1998 is saved Input getting number Enter getting number and If you entered an unspecified number an alarm occurs The alarm indication is different between the ECG 9110K and ECG 9130K as follows ECG 9110K 8 repeating pips alarm sound is generated ECG 9130K 8 repeating pips alarm sound and the Invalid number Please re enter number error message is displayed To re enter the system test number do either of the folowing Delete the previo
74. iption F101 273999 2 5A 250V F102 273999 2 5A 250V F501 322893 2A 250V F503 323241 8A 250V Service Manual ECG 9110 9130 RevA 6 21 6 DISASSEMBLY AND ASSEMBLY Replacing the Lithium Battery on the ECG CONTROL Board ECG CONTROL board 6 22 The lithium battery is used for backing up the system setup setting NOTE Replace the lithium battery when the No 08 or 09 system error message appears or after the lithium battery is used for 7 years CasingAssy section CONTROL Board section tweezers Remove the top casing assy as described in the Removing the Top Remove the ECG CONTROL board as described in the Removing the ECG Remove the expired lithium battery with a soldering iron and a pair of CAUTION Be careful of the polarity of the lithium battery when soldering it Incorrect attachment of the lithium battery causes the instrument to malfunction 4 Solder a new lithium battery to the ECG CONTROL board observing correct polarity of the battery cm A lt gt Se ax gt Lithium baattery e A Service Manual ECG 9110 9130 RevA Section 7 Adjustment Adjusting Thermal Head 7 1 Changing Magazine Paper 7 5 Adjusting Backlash between Motor Gear and Platen Axle Assy Gear 7 6 Service Manual ECG 9110 91
75. ker bracket Speaker assy connector Speaker 6 11 6 DISASSEMBLY AND ASSEMBLY Removing the PAPER SENSOR Board Assy 1 Remove the top casing assy as described in the Removing the Top Casing Assy secion 2 Remove the thermal head with the thermal head bracket thermal head spring and thermal head axle as described in the Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle section 3 Disconnect the PAPER SENSOR board connector from the ECG CONTROL board 4 Use a flat blade screwdriver to pry out the pawl of the PAPER SENSOR board plate from the recorder base 5 Hold up the PAPER SENSOR board to make a space between the PAPER SENSOR board and recorder base so that the tip of the flat blade screwdriver can be inserted in the space as shown below 6 Move the flat blade screwdriver in the direction of the arrow shown below to lift off the PAPER SENSOR board from the recorder base PAPER SENSOR board connector PAPER SENSOR board 4 Pawl of PAPER SENSOR board plate SW V 7 Pe 6 12 Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY Removing the Recorder Base 1 Remove the top casing assy as described in the Removing the Top Casing Assy secion 2 Remove the ECG CONTROL board as described in the Removing the ECG CONTROL Board section 3 Remove the power unit as described in the
76. klight on Is the cable firmly The ECG CONTROL board is Yes connected to the CNJ121 faulty connector on the ECG e The INVERTER board is faulty CONTROL board Is there any response when No The ECG CONTROL any switch is pressed board is faulty Yes Check the cable connection to the CNJ121 connector on the ECG CONTROL board all cable connections on the LCD CN board Normal The LCD unit is faulty Service Manual ECG 9110 9130 Rev A 3 1 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE The power of the instrument does not turn on Does the instrument operate during AC power operation Check the cable connections to the CNJ033 and CNJ035 connectors on ECG CONTROL board and the connector on the INVERTER board The membrane key is faulty ECG CONTROL board is faulty The POWER board is faulty Check the F0102 battery fuse on the POWER board Normal The instrument does not operate during battery power operation The POWER board is faulty No Is the battery charged Charge the battery de Check the cable connection to the CN501 connector on the POWER board Normal Is the F503 battery fuse on Yes Replace the F503 battery the POWER board blown fuse on the POWER board No The power unit is faulty 3 2 Service Manual ECG 9110 9130 Rev 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE The recorder does not feed the recording paper when the ST
77. lace the lithium battery on the ECG CONTROL board when the No 08 or 09 system error message appears or after the lithium battery is used for 7 years The life time of the battery is 7 years Service Manual ECG 9110 9130 Rev A 2 1 2 MAINTENANCE Cleaning and Greasing Cleaning and Greasing Schedules Cleaning the Thermal Head 2 2 This subsection describes the cleaning and greasing procedures for parts that must be cleaned and greased by qualified service personnel The cleaning procedures for parts that can be cleaned by the user are described in the Operator s Manual To maintain the performance of the instrument the parts listed in the table below must be regularly cleaned or greased Part Frequency Performed by Instrument external After each use User Thermal Head Once a month User Platen Roller assy Once a year User Paper Mark Detection Sensor Once a month Qualified service personnel Paper Empty Sensor Once a month Qualified service personnel Motor Sensor Once a year Qualified service personnel Motor Gear and Gear Once a year Qualified service personnel Meshed with Motor Gear CAUTION Before cleaning turn the power off and disconnect the AC power cord from the instrument Do not clean the thermal head just after recording because the head is still hot Before setting the recording paper clean the thermal head with the thermal head cleaner If the thermal head is dirty printing quality is redu
78. n at constant intervals No sound Service Manual ECG 9110 9130 Rev A Damaged membrane key Replace the membrane key Faulty connection to the CNJO33 Check the connection to the connector on ECG CONTROL CNJ033 connector on the ECG board CONTROL board Faulty ECG CONTROL board Replace the ECG CONTROL board The electrodes or cables Make sure that al electrodes and connections from the patient to cables connection from the patient the instrument is not properly to the instrument are properly connected connected Faulty ECG CONTROL board Replace the ECG CONTROL board Electrodes not attached to the Make sure that the electrodes are patient properly attached to the patient Faulty ECG CONTROL board Replace the ECG CONTROL board Faulty connection to the CNJ121 Check the connection to the connector on the ECG CONTROL CNJ121 connector on ECG board CONTROL board Faulty ECG CONTROL board Replace the ECG CONTROL board Faulty LCD unit Replace the LCD unit Check the connection to the Check the connection to the CNJ032 connector on ECG CNJ032 connector on ECG CONTROL board CONTROL board Faulty speaker Replace the speaker assy 3 5 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE Troubleshooting Recording Problem The recorder does not feed the Dirty paper mark sensor Clean the paper mark sensor recording paper when the Start switch is pressed Faulty connection to
79. name Direction 1 DGND 2 DGND 3 5 4 XCSROI Output 5 XCSRO2 Output 6 SROMC Output 7 SROMR Output 8 LA 00 Output 9 A 01 Output 10 A 02 Output 11 A 03 Output 12 A 04 Output 13 A 05 Output 14 A 06 Output 15 A 07 Output 16 A 08 Output 17 A 09 Output 18 A 10 Output 19 A 11 Output Description Data latch output to thermal head Print data to thermal head Thermal head driver enable output Thermal head driver enable output Thermal head driver enable output Thermal head driver enable output Thermal head driver enable output Thermal head driver enable output Thermal head temperature input detected by thermistor Ground for digital circuit 5 V for digital circuit 5 V for digital circuit Data shift output to thermal head Not connected Description Ground for digital circuit Ground for digital circuit 5 V for logic circuit Chip select 1 for ROM Address 000000 to 0FFFFF Chip select 2 for ROM Address 100000 to 1FFFFF Serial ROM clock output Serial ROM clock output Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Address bus Service Manual ECG 9110 9130 Rev A 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Service Manual ECG
80. nput Unit This is used to check if the input analog signal processing circuit detects the lead off condition correctly using the provided input check jig If each lead is connected when the input analog signal processing circuit works correctly the Normal message is printed at the right of each electrode lead name in the test result If a lead is not connected the Error message is printed The following is an example printout of the input unit test result when the R RA lead is disconnected Input unit test result RF RL Normal R RA Error L LA Normal F LL Normal Cl Normal C2 Normal C3 Normal C4 Normal C5 Normal C6 Normal Procedure 1 Connect the electrode lead to the instrument 2 Attach all tips of each electrode lead to the input check jig Input check jig 3 Enter the system test number 05 Test level 1 or 07 Test level 2 4 Disconnect one of the leads from the check jig and press the START STOP key The disconnected lead name is printed out 5 Repeat steps 3 and 4 for all leads by one To quit the test press the AUTO MANUALI Key The instrument returns to the stanby mode for entering the system test number Check Procedure for Input Unit Test Check that the lead off condition is detected correctly Possible Source of Problem Corrective Action Faulty ECG CONTROL board Replace the ECG CONTROL board Faulty input check jig Replace the input check jig Service M
81. o clean the sensor and photodiode Use a brush to clean the holes in the worm assy Use EM 50L NK code No 547712 grease to grease the motor gear and the gear which directly meshes with the motor gear as shown below Reattach the MOTOR SENS board to the motor with the two screws Reattach the motor assy to the bottom casing with the two screws Reattach the top casing to the bottom casing as described in the Disassembly and Assembly section Service Manual ECG 9110 9130 RevA Section 3 Troubleshooting and System Error Message Troubleshooting Flowchart 3 1 Troubleshooting Tables s eee Do Gier weet 3 4 Troubleshooting General Operation Problem 3 4 Troubleshooting Recording 3 6 System Error Message 4 2222 1 3 7 Service Manual ECG 9110 9130 Rev A 3C 1 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE This section describes how to troubleshoot the instrument using the following flowchart troubleshooting table system error messages at power up Troubleshooting Flowchart Use the troubleshooting flowchart to find the possible sources of a problem Troubleshooting Flowchart lt ECG 9130K only gt The power LED is on but there is no LCD display Is the LCD bac
82. of the CAL waveform 10 2 k more than 7 3 mm 25mm Possible Source of Problem Corrective Action Faulty ECG CONTROL board Replace the ECG CONTROL board 4 18 Service Manual ECG 9110 9130 Rev A 4 SYSTEM TEST AND SETTING Communication This is used to check the external communication input output line of the instrument using the check jig The instrument has one standard communication connector SIO This test is performed by comparing the original test patterns sent from the output line with the test patterns received at the input line If any received test pattern is different from its original a Error message is printed A Normal message is printed if the communication line is normal With regard to TxD RxD line if the same data is printed the line is normal Every time the test of one set is repeated the number of Count of test increases by one Every time the error is detected during continuous test the Error count increases by one The test of one set takes about 5 seconds The following is an example printout of the communication test result Communication test result Count of test 1 Error count 0 DTR DSR Normal RTS CTS Normal TxD 00 RxD 00 Hospital NIHON KOHDEN HOSPITAL Model 9130K Version 01 05 Input unit version 01 01 Analysis version 01 03 Date Oct 16 1998 10 41 AM Cardiograph internal temp 37 0 Preparation A locally made check jig is required f
83. on the power unit Faulty power unit Replace the power unit Badly positioned recorder component Check and adjust the recorder component position Service Manual ECG 9110 9130 Rev A 4 11 4 SYSTEM TEST AND SETTING Key This is used to check the condition of the keys on the operation panel Procedure 1 Enter the system test number 02 Test level 1 or 03 Test level 2 and press the START STOP key 2 Press the key on the operation panel The name of the pressed key is printed if the key is functioning correctly To quit the test press the AUTO MANUAL key The instrument returns to the standby mode for entering the system test number NOTE The POWER and AUTO MANUAL keys cannot be checked by this test To check if these two keys are functioning correctly do the following e POWER ke Check that the power of the instrument is on or off when the POWER key is turned on or off e AUTO MANUAL key Check that the Key test is stopped by pressing the AUTO MANUAL key Check Procedure for Operation Panel Key Check that the name of the pressed key is printed Possible Source of Problem Corrective Action Faulty KEY board Replace the KEY board 4 12 Service Manual ECG 9110 9130 RevA 4 SYSTEM TEST AND SETTING Memory This is used to check the condition of the memory by comparing the data of the test patterns written to and read from each memory area The instrument provides two memory test modes
84. or digital circuit 9 12 V Input 12 V for analog circuit and motor 10 12 V Input 12 V for analog circuit and motor 11 CHGLEDA Input Battery charge lamp LED input 12 CHGLEDK Input Battery charge lamp LED input 13 NC Not connected 14 POFF Output Power off output 15 PWOVER Input Power overheat input 16 HDOVER Input Thermal head power excessive current input 17 ACLED Input AC power lamp LED input 18 DCXAC Input Battery operation start input 19 PSW Output Power on off switch 20 OFFKEY Input Power off input CN301 to Thermal Head Pin No Signalname Description Pin No Signalname Description 1 24 V 24 V for thermal head 3 24VGND GND for thermal head 2 24 24 for thermal head 4 24VGND GND for thermal head CN501 to Battery Pin Signalname Description Pin No Signalname Description 1 BATT Battery power 4 Battery power 2 BATT Battery power 5 Battery power 3 BATT Battery power 6 Battery power Service Manual ECG 9110 9130 Rev A 9 1 8 CONNECTOR PIN ASSIGNMENT ECG CONTROL Board CNJO11 to Thermal Head Model 63261 1490 CNJO21 to FLASH ROM Board 9 2 Pin No Signalname Direction 1 THLATCH Output 2 THDATA Output 3 XSTROPEI Output 4 XSTROPEI Output 5 XSTROPEI Output 6 XSTROPEI Output 7 XSTROPEI Output 8 XSTROPEI Output 9 THERM Input 10 DGND 11 5 12 5 13 THSCLK Output 14 NC Model 87BFN 080R Pin Signal
85. or the test To make the check jig short ciruit the pins as shown below Connector Pin Assigment 1 FG TXD peel RTS CTS DSR GND HS DTR 29 190 SO R Mating Connector Connector HDEB 9PF 05 Case HDE CTH Service Manual ECG 9110 9130 Rev A 4 19 4 SYSTEM TEST AND SETTING Procedure 1 Connect the check jig to the SIO socket of the instrument 2 Enter the system test number 07 Test level 1 or 09 Test level 2 and press the START STOP key The instrument prints the test result of each test if the instrument detects an Error To print the test result without guiting the test press the START STOP key The results of all tests performed until the START STOP key are pressed are printed You can see the number of tests and the number of errors on Count of test and Error count on the printout respectively To quit the test press the AUTO MANUAL key The instrument prints the results of all tests performed until the AUTO MANUAL key is pressed When the test result is completely printed 8 repeating pips sound is generated and the instrument returns to the standby mode for entering the system test number Check Procedure for Serial Communication Check that no error messages appear Possible Source of Problem Corrective Action Faulty ECG CONTROL board Replace the ECG CONTROL board 4 20 Service Manual ECG 9110 9130 Rev 4 SYSTEM TEST AND SETTING CRO EXT1 amp CRO EXT
86. over screw CH knob spacer CH arm screw CH base plate N CH joint DN CH pipe 3N Taping screw M3x8 CH pipe cover 1N CH joint spacer CH knob not 3N CH joint AN CH top arm screw CH spring axle 3 CH joint BN CH hexagon socket bolt M4x50 CH pipe 4N CH pipe cover 2N CH bottom arm screw CH joint CN CH knob nut 4N CH input box connector CH guide pin ISO flat head screw M3x6 Bracket spring NOTE The parts marked with are replaced by parts A B C and D when the JC 901D input box for ECG 9320 is used When the BJ 901D BJ 902D or BJ 903D patient cable is used the parts A B C and D are not available Service Manual ECG 9110 9130 Rev B 8 REPLACEABLE PARTS LIST 8 19 Service Manual ECG 9110 9130 Rev B Section 9 Connector Pin Assignment E ve areal 9 1 CN TOT to AC Inlet e ee ee sea 9 1 CN21 to ECG CONTROL Board an 9 1 CN301 to Thermal Head 9 1 CN50T to Baltety site eg eda teo So RE 9 1 ECG CONTROL e rtr ete E tdem 9 2 CNJO11 to Thermal Head 9 2 CNJO21 to FLASH ROM Board 9 2 CNJO32 t0 Key CONNECtOr 9 4 to KEY Board 9 4 CNJO35 to Power ete esr etn tied 9 5 CNJO91 to ECG Connector ane 9 5 CNJ101 to SIO Connector
87. printed The instrument returns to the standby mode for entering the system test number H 10mm s 12 5mm s rzzrzzzzzzrzrzzzzr KKK KK KH HH HK XXXXXXXXXXXXXXX KKK KKK KKK KKK KKK KR KKK KK KKK KKK RRR KKK KK KKK KKK KX Not printed in Test level 2 Refer to the Thermal Head section for this check 50mm s Paper mark Small rectangle printed when the paper mark is detected a E E 4 8 Service Manual ECG 9110 9130 Rev A 4 SYSTEM TEST AND SETTING Check Procedure for Diagonal Lines Check that all the diagonal lines are evenly and completely printed Possible Source of Problem Corrective Action A dirty thermal head can cause some parts 1 Clean the thermal head with the thermal to be unevenly or incompletely printed head cleaner pen If this does not fix the problem replace the thermal head A faulty thermal head can cause some parts 1 Clean the thermal head with the thermal at a certain position to be unevenly or head cleaner pen incompletely printed If this does not fix the problem replace the thermal head Check Procedure for Grid Check that all the parts of the grid are clearly evenly and completely printed Possible Source of Problem Corrective Action A faulty ECG CONTROL board can cause Replace the ECG CONTROL board all or some parts to be unclear unevenl
88. r co Etre te e 4 24 Recording Resolution Setting eene 4 25 Cue Mark Adjustment ana 4 26 Date and Time Setting 4 28 Setting the Date and Time sse nennen nsns 4 28 Service Manual ECG 9110 9130 Rev A 4C 1 4 SYSTEM TEST AND SETTING This section describes System Test Overall how to check the operation of the instrument in the System Test mode how to output the ECG findings list in the System Test mode how to initialize the system in the System Test mode how to adjust the thermal head recording resolution and recording paper cutting position in the System Test mode how to set date and time in the System Setup mode The instrument has two System Test modes Test level 1 for operator and Test level 2 for qualified service personnel The test items marked with perform the same test in Test levels 1 and 2 Each Test level consists of the following system test items Test level 1 Test level 2 e Demonstration e Recorder e Recorder e Thermal head e Key e Recording resolution setting e Memory e Key e LCD LED e Memory single e Input unit e Memory continuous e Calibration e LCD LED e Communication e Input unit e CRO EXTI e Calibration e CRO EXT2 e Communication e System Setup Initialization e CRO EXTI e ECG Findings List Recording e CRO EXT2 e System Setup Initialization
89. rk of European Community The products herewith comply with the requirements of the Medical Device Directive 93 42 Operation panel for ECG 9110K only Alternating current Rhythm recording On only for a part of equipment Off only for a part of equipment Battery check lamp 5 Reset Automatic control QRS sync lamp O Paper feed Manual control LE Paper speed v Calibration ii Service Manual ECG 9110 9130 Rev A Operation panel for ECG 9130K only Alternating current Mode only for a part of Rhythm equipment v Calibration Off only for a part of eguipment Paper feed Battery charging Automatic control Battery check Filter Manual control Display for ECG 9130K only QRS sync mark Patient cable Attention consult 1 k Defibrillation proof Type CF applied part operator s manual Service Manual ECG 9110 9130 Rev A iii Section 1 General ioe Ea a Em 1 1 OL VIC Cs POU CY c EM 1 2 EET 1 3 Panel 1 6 ECG 9110K Electrocardiograph 1 6 1 6 Operation M 17 Right Side Panel ite eire bled e Be 1 8 Left Side 448 8 40 1 8 ECG 9130K P Electrocardiograph
90. rs holding the battery terminal assy to the bottom casing Remove the battery terminal assy cable connector from the POWER board Remove the two M3 pan head screws holding the battery terminal assy to the bottom casing Lift off the battery terminal assy from the bottom casing M3 pan head screw Service Manual ECG 9110 9130 RevA 6 DISASSEMBLY AND ASSEMBLY Removing the Magazine Assy Removal Put the tip of the small flat blade driver in the space between the E ring and magazine chassis then push the E ring in the direction of the smaller arrow and pull off the magazine assy in the direction of the bigger arrow Replacement Put the plastic magazine shaft into the attachment hole and put the metal magazine shaft with the E ring and spring into the attachment hole while pressing and holding down the shaft in the direction of the smaller arrow Service Manual ECG 9110 9130 RevA 6 15 6 DISASSEMBLY AND ASSEMBLY Removing the LCD Assy INVERTER Board and LCD CN Board NOTE This procedure is for the ECG 9130K only Removing the LCD Assy 1 Tilt the LCD with an angle of 45 degrees 2 Remove the two M3 pan head screws with spring washers holding the LCD bottom casing to the LCD top casing assy 3 Lift off the top casing assy from the bottom casing in the direction of the M3 pan head screw with spring washer gt LCD top casing assy LCD bottom casing 45 degrees 4 Remove the three
91. stment e 7C 1 Adjusting Thermal Head 7 1 Changing Magazine Paper Width 7 5 Adjusting Backlash between Motor Gear and Platen Axle Assy Gear 7 6 Section 8 Replaceable Parts 115 8C 1 General Parts List 1 8 2 Top Casing ASSY QU RICE Mee 8 6 Top Casing Assy YZ 015H3 for 9110 8 6 Top Casing Assy YZ 014H4 for ECG 9130K 8 7 Top Casing Assy YZ 022H2 for 9130 8 8 Top Casing Assy YZ 035H7 for ECG 9132K 8 9 Motor 1 5 mune uva 8 10 Gear Assy 2 014 ni e de a d und 8 11 Battery Terminal Assy 5 8 12 LCD Top Casing Assy 2 013 9 isi iden eec inh 8 13 UTE 8 14 8 14 EET 8 16 Patient Cable nana 8 18 Service Manual ECG 9110 9130 Rev CONTENTS Section 9 Connector Pin Assignment e 9C 1 Power UNI
92. t module using 12 VDC power from the power unit and turns on off the power of the instrument according to the signal from the ECG CONTROL board Service Manual ECG 9110 9130 Rev A 5 3 Section 6 Disassembly Assembly Before You Begin i taste aie tee D 6 1 Warnings and 20 areas 6 1 Required Tools inion 6 1 Board and Unit Location 2 eere rete et i d race ERR de eu S 6 2 Cable Connection t i tise kis e Perte 6 3 Removing the Top Casing ASSY nana 6 4 Removing the ECG CONTROL Board 6 5 Removing the Power Unit and POWER Board 6 6 Replacing the 6 7 Removing the Thermal 22 2 n RE 6 8 Removing the Thermal Head Only 6 8 Removing the Thermal Head with the Thermal Head Bracket Thermal Head Spring and Thermal Head Axle 6 9 Removing the Motor Assy nennen nns 6 10 Removing the Speaker ASSY e eese nennen nennen nnne 6 11 Removing the PAPER SENSOR Board 6 12 Removing the Recorder 00224440100 0 rennen nnne 6 13 Removing the Battery Terminal 6 14 Removing the Magazine ASSY 6
93. t on the top casing when cutting the paper Procedure 1 Enter the system test number 21 Test mode 2 and press the START STOP key to verify the distance between the broken line on the paper and the paper cutting part The instrument feeds the recording paper with the Cue mark adjustment 0 0 mm message and stops feeding it after a paper mark is detected The right edge of the paper mark against the paper feed direction lines up the broken line on the paper 2 Put the paper to the paper cutting part as if the paper was cut as shown below If the broken line lines up the paper cutting part you do not have to perform this adjustment If there is a deviation between the broken line and paper cutting part go to step 3 Paper cutting part Broken line v Paper mark Paper feed direction 3 Mark the point where the paper is at the paper cutting part 4 Measure the distance mm between the broken line and marked point Measure distance A Marked point EM Paper feed direction Apply to Apply to measured value measured value Broken line Paper mark 5 Apply the plus symbol to the measured value when the marked point is before the broken line against the paper feed direction or minus symbol to the measured number when the marked point is behind the broken line The resulting value is recognized as the adjustment value Service Manual ECG
94. t screen is displayed during the test as shown below ECG 9130K only System Test Screen ECG 9130K Key test Test number 03 If you entered an unspecified number an alarm occurs The alarm indication is different between the ECG 9110K and ECG 9130K as follows e ECG 9110K 8 repeating pips alarm sound is generated e ECG 9130K 8 repeating pips alarm sound and the Invalid number Please re enter number error message is displayed as shown below Enter test number Press Start Stop key to start test Test number Invalid number Please re enter number To re enter the system test number do either of the folowing e Delete the previously entered number by pressing the AUTO MANUAL key e Enter the system test number by overwriting the previously entered number Service Manual ECG 9110 9130 Rev 4 5 4 SYSTEM TEST AND SETTING Quitting the System Test The procedures to quit each system test vary from test to test Some tests automatically end after an alarm sound is generated or a printout is output Refer to the following explanations for each test After quitting each test the instrument returns to the standby mode for entering the system test number After a system test is completed you can execute other system test without exiting the System Test mode Exiting the System Test After all desired system tests are finished press the POWER key Mode 4 6 Service Manual ECG 9110 9130 R
95. the CNJ102 Check the connection to the CNJ102 or CNJ103 connector on the ECG and CNJ103 connectors on the ECG CONTROL board CONTROL board Faulty KEY board Replace the KEY board Faulty ECG CONTROL board Replace the ECG CONTROL board The recording paper is fed but The thermal head is incorrectly Readjust the position of the thermal there is no printing positioned head Faulty connection to the CNJO11 Check the connection to the CNJO11 connector on the ECG connector on the ECG CONTROL CONTROL board or the CN301 board and the CN301 connector on connector on the power unit the power unit Faulty thermal head Replace the thermal head Faulty power unit Replace the power unit Faulty ECG CONTROL board Replace the ECG CONTROL board The paper mark cannot be Dirty paper mark sensor Clean the paper mark sensor detected Faulty connection to the CNJ102 Check the connection to the CNJ102 connector on the ECG connector on the ECG CONTROL CONTROL board board Faulty ECG CONTROL board Replace the ECG CONTROL board Faulty PAPER SENSOR board Replace the PAPER SENSOR board Sometimes the recorder does The input protection circuit which Check the electrode attachment to the not print and blank recording protects the thermal head from patient and if necessary re position paper is fed from the recorder strong noise like hum is rejecting the electrodes so that a good ECG noisy waveforms waveform is displayed
96. the ECG CONTROL LCD screen CONTROL board board Faulty INVERTER board Replace the INVERTER board Faulty LCD module Replace the LCD module The instrument does not operate Blown F011 or F012 power unit Replace the 011 or F012 power unit on AC power fuse fuse Faulty connection to the CNO33 Check the connection to the CNJ033 or CNJ035 connector on the ECG and CNJ035 connector on ECG CONTROL board CONTROL board Damaged power cord Replace the power cord Faulty power unit Replace the power unit Faulty ECG CONTROL board Replace the ECG CONTROL board Faulty KEY board Replace the KEY board The instrument does not operate The battery is not charged Charge the battery on battery power Blown F051 battery fuse Replace the 051 battery fuse Damaged battery Replace the battery Faulty connection to the CNJO33 Check the connection to the CNJ033 or CNJ035 connector on the ECG and CNJ035 connector on the ECG CONTROL board or the CN201 CONTROL board and CN201 or CN501 connector on the power and CN501 connector on the power unit unit 3 4 Service Manual ECG 9110 9130 Rev A 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE No key operation Only certain electrode lead waveforms are displayed on the screen or noise appears on the waveform No electrode lead waveforms are displayed on the screen or noise appears on all waveforms Vertical and horizontal strips appear on the LCD scree
97. tor Pin Signalname Direction 1 CRO 2 AGND CNJ402 to EXT INPUT1 Connector Pin Signalname Direction 1 EXT IN 2 AGND CNJ403 to EXT INPUT2 Connector 8 CONNECTOR PIN ASSIGNMENT Description 10 4 to 12 V for backlight Ground Backlight on off output 0 V Not light 5 V Light Backlight brightness control output 0 V when bright is set to maximum Scanning start output Input data latch output Data input clock output Not connected Display control output L lt OFF Display data output 0 Display data output 1 Display data output 2 cll c Display data output 3 5 V for digital circuit Ground for digital circuit 17 to 26 V for driving LCD Description External signal output 0 5 V 10 mm Ground for analog circuit Description External signal input 10 mm 0 5 V Ground for analog circuit Description Pin No Signalname Direction 1 EXT IN 2 AGND Service Manual ECG 9110 9130 Rev A External signal input 10 mm 0 5 V Ground for analog circuit 9 7 8 CONNECTOR PIN ASSIGNMENT FLASH ROM Board CNJ021 to ECG CONTROL Board 9 8 Model 87BMN 080R Pin Signalname Direction 1 DGND 2 DGND 3 5 4 XCSROI Output 5 XCSRO2 Output 6 SROMC Output 7 SROMR Output 8 LA 00 Output 9 LA 01 Output 10 LA 02 Output 11 LA 03 Output 12 LA 04 Output 13 LA 05 Output 14 LA 06 Output 15 LA 07 Output 16 LA 08 Output 17
98. trol board Install the local language Install the local language Error in memory area for local language Re install the local language 20 Local language text file version does not Install the local language text file which is match the ECG software version the same version as the ECG software 21 ECG interpretation error Time over Check the input waveforms If any noise is superimposed on the waveforms find and eliminate the cause If no noise is superimposed on the waveform replace the ECG control board 22 The entered information does not match the Replace the ECG control board data in the flash memory NOTE e Error 05 also appears when any key on the operation panel is pressed and held down e When Error 08 appears the following settings are not reset to the factory initial settings even if the instrument is initialized display language hum filter hospital name direct modem connection recording resolution setting cue mark position elapsed time local language font saved ECG data 3 8 Service Manual ECG 9110 9130 RevA 3 TROUBLESHOOTING AND SYSTEM ERROR MESSAGE Error History Indicates the latest three errors and the date of the latest error as in the example below System Information Error number 15 Date Apr 20 1998 10 41 AM Program 9130K Version 01 00 01 01 01 01 RR LK Error History No 1 Error number 15 Apr 20 1998
99. usly entered number by pressing the AUTO MANUAL key e Enter the system test number by overwriting the previously entered number 5 Repeat steps 2 to 4 to enter the new numbers for the other setting 6 Turn the power of the instrument off to exit the System Setup mode 4 30 Service Manual ECG 9110 9130 RevA Section 5 Board Unit Description BlO KUDIAGrAMI RE kanuji 5 1 MEE 5 2 EGG CONTROL Boards isti eie pt ee anni 5 2 FLASH ROM Boa nte dened 5 3 INVERTER BOALd neta eminere uie a 5 3 Service Manual ECG 9110 9130 Rev A 5C 1 5 BOARD UNIT DESCRIPTION Block Diagram NOTE The sheet key KEY board LCD module LCD CN board and INVERTER board are used for the ECG 9130K only Sheet Key CNJ013 CNJ014 KEY Board CNJ011 CNJ012 L LJO CNA106 INVERTER Board CNA201 CNJ033 CNJ012 CNJO11 CNJO13 LCD CN Board CNJ041 CRO OUTPUT EXT INPUT2 EXT INPUT1 li CNA104 A CNJ042 ECG CONTROL Board CNJ043 CNJ032 CNA105 Speaker CNJ101 CNJ102 CNA102 E Paper Sensor CNJ111 CNJ103 CNA103 Motor Assy Floating area ECG INPUT ons 13519 Sa Thermal Head CNJO21 Nios __ CNA403 CNJ011 FLASH ROM Board CNJ004 Temperature sensor CNA402 i CNA401 CNJO01 POWER
100. ut 72 LD 27 Input Output 73 LD 28 Input Output 74 LD 29 Input Output 15 LD 30 Input Output 76 LD 31 Input Output 77 LD 15 Input Output 78 5 79 DGND 80 DGND CNJ032 to Key Connector Pin No Signalname Direction 1 SPKOUT Output 2 AGNDSND 3 BUZOUT Output 4 AGNDSND CNJ033 to KEY Board Pin Signalname Direction 1 5 Output 2 DGND 3 ACLED Output 4 CHGLEDK Output 5 CHGLEDA Output 6 QRS Output 7 LEDDAT Output 8 LEDLCLK Output 9 LEDSCLK Output 10 PSW Input 11 KEYCLK Output 12 KEYDAT Output 13 KEYRO Input 14 KEYRI Input 15 KEYR2 Input 16 KEYR3 Input 17 XRESET Output 18 DGND 9 4 Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus Data bus 5 V for digital circuit Ground for digital circuit Ground for digital circuit Description Speaker output Ground for speaker Piezo electric buzzer output Ground for piezo electric buzzer Description 5 V for digital circuit Ground for digital circuit AC power lamp LED output Battery charge lamp LED cathode output Battery charge lamp LED anode output QRS sync lamp LED output LED display control output LED display control output LED display control output Power on off switch KEY board scan output KEY board scan output KEY board input KEY board input KEY board input KEY board input Reset Ground for digital circuit Service Manual ECG 9110 9130 Rev CNJ035 to Power Unit Pin
101. y attend to your needs Always use Nihon Kohden parts and accessories to assure maximum performance from your instrument Service Manual ECG 9110 9130 Rev B 8 1 8 REPLACEABLE PARTS LIST General Parts List Index 101 102 104 105 106 107 201 202 203 300A 300B 302A 302B 303 304 305 306 307 308 309 310 400 402 403 404 405 406 407 408 409 410 411 412 413 415 416 417 418 419 420 421 422 423 8 2 NK Code No YZ 013H9 6113 029713C 547507 6114 088371A 551877 6112 010851A YZ 014H4 6113 029731C 6113 029722A 6113 032763 6114 094587A 6114 094578 6113 030506A 6112 010887A 6113 028492B 6113 028741B 6113 029927A 6114 087764A 6112 010869C 6113 029918B 127925 547516 515284 551859 6114 091287A 6114 091296C 6114 091198A 6114 091189A 6114 094596 6114 016921A 6114 091224B 6111 004708A 6113 029758 YZ 014H0 YZ 014H1 6111 004673B YZ 014H5 6114 091233B 551868 379742A 6114 088398A 6114 091242A 6112 010878A 2144 005598B Qty NO th NN OO Description LCD top casing Assy LCD chassis Mini clamp TMC 6 Inverter insulation sheet Hinge assy TH 122 3 LCD bottom casing ECG 9130K top casing assy Top casing earth plate Rubber Switch 9100 CPU board EMI plate CPU board EMI plate IC socket EMI plate Card blank panel Card holder FLASH ROM board guide Input unit shield plate CPU shield plate Flash ROM board cover Shield base Insulation sheet
102. y is pressed are printed on one page When the test result and system setup settings are completely printed 8 repeating pips alarm sound is generated and the instrument returns to the standby mode for entering the system test number Check Procedure for Continuous Memory Test Mode Check that no Error messages appear memory mounted on the ECG CONTROL board cannot be replaced at memory component level Service Manual ECG 9110 9130 RevA 4 SYSTEM TEST AND SETTING LCD LED This is used to check all LEDs on the operation panel LED LCD control circuit and all dots on the LCD ECG 9130K only First the LCD test starts and after the LCD test is complete the LED test starts The LCD test is not performed for the ECG 9110K LCD Test ECG 9130K only The LCD displays the following four types of test patterns every two seconds in the following order 1 Diagonal lines are displayed 2 Entire LCD lights up 3 LCD is completely dark but backlight lights 4 Backlight does not light The LCD image for each pattern changes as follow LED Test The LEDs on the operation panel light up by one and remain lit until all LEDs light up After all LEDs light up they go out at a time NOTE With regard to the LEDs of Battery charge lamp AC power lamp and POWER lamp check if they are in the following condition during the LED LCD test Battery charge lamp Not
103. y or incompletely printed Check Procedure for Paper Speed Scales Check that the accuracy of each paper speed during actual recording is within 5 The scales for 4 seconds at 10 mm s and 12 5 mm s paper speeds and the scales for 2 seconds at 25 mm s and 50 mm s paper speeds are consecutively printed For example the length for 4 seconds on the time scale printed at 10 mm s paper speed must be within 38 0 mm to 42 0 mm Possible Source of Problem Corrective Action Badly positioned thermal head Adjust the thermal head position If this does not fix the problem replace the thermal head Damaged deformed or badly positioned Check the motor gear and its position motor gear If this does not fix the problem replace the motor gear Dirty motor rotation sensor Clean the motor rotation sensor as described in the Maintenance section Loose or damaged axle Tighten and check the axle as described in the Disassembly and Assembly section Faulty motor Replace the motor Faulty ECG CONTROL board Replace the ECG CONTROL board Service Manual ECG 9110 9130 Rev 4 9 4 SYSTEM TEST AND SETTING Check Procedure for Paper Mark Detection In one complete recorder test a small rectangle is printed near each paper mark if the paper mark is correctly detected by the mark sensor Refer to Cleaning and Greasing in Section 2 for the location of the mark sensor Check that a small rectangle is printe
104. ystem error message Refer to the System Error Message section in Section 3 1 Call up the System Setup mode 1 If the power is on turn it off NOTE Release the FEED MARK key immediately after the instrument starts printing If you continue to hold the FEED MARK key for more than 15 seconds the instrument recognizes that the FEED MARK key is short circuited and prints the system information Error 05 at the end of printing 2 Press the POWER key while pressing the COPY CAL key Hold the COPY CAL key until the instrument begins to print the list of the system setup settings The System Setup mode is called up To cancel printing the list press the START STOP key 2 Enter a 3 digit number to call up the stanby mode for entering the new numbers for year month date hour minute or second respectively Refer to the Entering the System Test Number in this section for entering the numbers Following is the LCD screen when the year setting mode is called up Input getting number Enter getting number and prese Start Stop key Number 3189 Service Manual ECG 9110 9130 Rev 4 SYSTEM TEST AND SETTING Year Enter the system setup number 318 Month date Enter the system setup number 319 Hour minute Enter the system setup number 320 Second Enter the system setup number 322 To cancel the entered number press the AUTO MANUAL key NOTE You cannot enter numbers for second sett

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