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INVIVO 3150 MRI Service Manual

1. 1 1 14 Invasive Pressure Non ISO Board AB90 1 1 1 5 Interconnect Board 75 1 2 1 6 Pneumatics Box 1 2 1 7 Power Supply Board AB76 Configuration 1 2 SA CAD x dudas wie ag deu PE qa adit Re ua 1 2 1 8 Power Supply Board AB152 1 3 1 81 Battery Charger dtia TW Ida ade E yas 1 3 19 MRI Gating Analog AB116 Option 1 5 1 10 Oximeter Board AB22 1 5 1 10 1 Isolation Section 1 5 1 11 Mother Board AB67M 1 5 1 11 1 Non Invasive Blood Pressure NIBP Pump Circuitry 1 5 ET INIBP Clock 1 6 1 11 3 Front Overlay Interface Circuitry ars aka 1 6 1 12 Signal Processor Board AB47 1 6 1 13 Master Processor ABLIO ni RR RAR a URP E LEYES 1 6 1 13 1 Microprocessor a noe dr ess a OC aor a EO RON e AC OR 1 6 1 13 2 Random Access Memory RAM 1 6 1 13 3 Read Only Memory 1 6 1 134 Inpu
2. 4 2 Figure 4 2 TF0088 TF0082 Assembly 4 4 Figure 4 3 AB06DJ Transducer Input Cable 4 8 iv GENERAL SERVICE PRECAUTIONS Obtain a thorough understanding of each of the following precautions before attempting to perform any disassembly or service procedure Damage to theinstrument or injury to yourself may result if these precautions as well as common sense are not used Service to this product should only be performed by trained qualified service personnel familiar with the operation and service documentation for this monitor Shock Hazard exists when this monitor is operated without the chassis cover Use caution when working on units with power applied Always disconnect monitor from AC Main Power before performing service on internal assemblies Due to the monitor s internal battery power may be present even when disconnected from the AC Main Power When necessary disconnect the internal battery prior to performing service or shipping the system to the manufacturer for repair Replace fuses with same type and rating only Always follow proper electrostatic discharge ESD procedures during component and assembly handling to prevent static discharge damage to sensitive parts Use only replacement parts specified in this manual When cleaning the unit do not permit liquid to enter the case When cleaning use proper ma
3. Or 0 AMO9E p AB06DJ NIBP Board Figure 3 2 Software Location Diagram AB06DJ AB22M AB47 and 119 3 3 The AB115 ETCO2 Board is located in the monitor base between the column connector and the battery AM60 Eprom 1 to U15 3 m E 1 E H l TO aU ot 00 al T 17 rn 805 ana ur Le 4 Ll E xen item m H 5 Tr BL AB115 ETCO2 Board Figure 3 3 Software Location Diagram AB115 ETCO2 Board 3 2 Low Battery Circuit In AB67M Mother Board Revision A with software 02 or greater a Low Battery Circuit 1s required for proper operation Using Figure 3 4 for location information ensure that the Low Battery Circuit is installed on AB67M Revision A boards loaded with software MM02 or greater Bey 48 24 64 bg 4 27 4 4 ern I 4 So 82 8119 45 4 90
4. ded atte Boe isq PEL PER 4 STO A 4 1 4 3 Power Supply Calibration AB76 Power Board Only 4 2 4 4 Power Supply Calibration AB152 Power Board Only 4 4 45 LCD Module Intensity Adjustment 4 6 4 6 Speaker Volume Adjustment Model 3150M Monitor Only 4 6 4 7 Signal Processor Reference Voltage Adjustment 4 6 4 8 NIBP Adjustments RN ANCORA CUR A 4 7 49 ECG Amplifier AJOS 4 10 4 10 Invasive Pressure Adjustments 4 11 4 11 ETCO2 Adj stme t UL IE oe A 4 13 4 12 Gating Adjustment P oe Y ela us 4 14 50 PROGRAMMING INSTRUCTIONS 5 1 5 1 5 1 5 2 Required Test Equipment uin e e oe 5 1 3 9 duck Da RR dC AR OCC 5 1 54 HE60 Programming for Single 3155 Communications 5 2 5 5 HE60 Programming for 3155 A8163 Communications 5 4 5 6 HE60 Programming for Dual 3155 Communications 5 6 6 0 CONFI
5. 5 6 7 8 9 Connect the DMM as follows a Connect the positive lead to AB89 BOX 1 Pin 2 top pin b Connect the negative lead to AB89 BOX 1 Pin 10 bottom pin Adjust AB90 R33 for 8 0 Vdc 0 5 Vdc Disconnect the DMM Turn the 3150 3150M monitor Power Switch to the OFF position Disconnect the AS153 AC Power Adapter and battery cable P5 from the AB76 Disconnect the extender board from the Mother Board Disconnect the AB90 Invasive Pressure Non Iso Board from the extender board Connect the AB90 Invasive Pressure Non Iso Board to the Mother Board Turn the 3150 3150M monitor Power Switch to the ON position Pressure Excitation Voltage Adjustment Perform Pressure Excitation Voltage Adjustment as follows 1 2 3 4 Connect the DMM as follows a Connect the positive lead to Invasive Pressure Connector P1 B insert b Connect the negative lead to Invasive Pressure Connector P1 D insert Adjust AB89 R22 for 1 536 Vdc 0 01 Disconnect the DMM Connect the DMM as follows a Connect the positive lead to Invasive Pressure Connector P2 B insert b Connect the negative lead to Invasive Pressure Connector P2 D insert 4 11 5 Verify a measurement of 1 536 Vdc 0 01 Vdc Pl Reference Zero and Gain Adjustments Perform Reference Zero and Gain Adjustments as follows 1 Connectthe output of a Fogg BP 600 or equivalent Pressure Simulator to the P1 input on
6. d 3 Connect the CO2 CAL GAS IRI Part Number 9010F aerosol can to the ETCO2 Port on the Parameter Input Panel 4 Simulate breathing pattern by pressing and releasing the nozzle of the can and verify the following ETCO2 76 3 b N20 reading stabilizes to 50 23 c waveform appears in the ETCO2 Trace area 5 Disconnect the Calibration Gas from the 2 Port 6 Connect Flow Meter to the ETCO2 Port and verify an air flow of 150 ml 51 7 Disconnect the Flow Meter Perform Zero Calibration for High Flow as follows 1 Press the NIBP ADULT NEO Control Key to select the Adult Mode this changes the air flow from Low to High 2 Connect Flow Meter to the ETCO2 Zero Port on the lower back column of the monitor 3 Press the ETCO2 ZERO ON Control Key and verify an air flow of greater than 200 ml 4 Disconnect the Flow Meter from the ETCO2 Zero Port and connect to the ETCO2 Waste Gas Exhaust Port on the bottom front of the monitor base 5 Verify a positive air flow of greater than 230 ml at all times including during zeroing 6 Disconnect the Flow Meter 7 Connect the CO2 CAL GAS IRI Part Number 9010F aerosol can to the ETCO2 Port 8 Simulate breathing pattern by pressing and releasing the nozzle of the can and verify the following a ETCO2 76 b N20 reading stabilizes to 50 23 c waveform appears in the ETCO2 Trace area 9 Disconnect the Calibration Gas 10
7. Breathing Effort Detected Not MRI Compatible Percent Oxygen Pulse Saturation Earth Ground Fuse 1 Rotate Counter clockwise to Open 0 Rotate Counter clockwise to Close Battery bs Direct Current Weight Latex free Materials Are Used Dangerous Voltage e m Patient Communication is Not Linked Communication is Linked Single Patient Use Only Do Not Reuse No European harmonized standard exists D for the transmission frequencies used for medical telemetry Potential restrictions may apply within one or more European EU member states Product Part Number Watertight Equipment 7 Product Serial Number S B 1 THIS PAGE INTENTIONALLY LEFT BLANK NOTES
8. LOST 2 DATA LINK UNKNOWN Turn the Millennia 3155MVS 3155A monitor Power Switch to the ON position On the 3150 3150M monitor Front Panel Display verify that the following messages have been removed from the display 1 COMMAND LINK LOST 2 DATA LINK UNKNOWN On the Millennia 3155MVS 3155A monitor verify the following 1 Thelower right hand box on the Display Screen is labeled REMOTE 2 Both Squares inside the Remote Box are together 3 The Status Box is green indicating proper communications have been established 2 2 2 Front Panel Control Verification See Figure 2 1 Perform the following procedure to verify the proper operation of the Control Keys on the 3150 3150M monitor Control Panel 9 ZERO ON 150 MIRI EtCO2 ZERO ON e PRESSURE NEO x N l CYCLE 3 P2 START x Figure 2 1 The 3150 3150M Monitor Control Panel 2 2 1 Control Keys Verification Perform the following procedure to verify proper operation of the ECG Control Keys a ECG LEAD Control Key Item 7 Perform the following procedure to verify proper operation of the ECG LEAD Control Key 1 2 3 4 Note the Lead displayed on the Display Screen then press the ECG LEAD Control Key Observe that the displayed Lead noted above changed Continue to press the ECG LEAD Control Key to verify that ECG Leads I II default AVL AVF AVR and C
9. NIBP left port Inflate the Manometer to 15 mmHg Press the NIBP START STOP Control Key Verify that the pump does not start up Verify that the error message CALIB is displayed in the lower left corner of the screen within 15 seconds 1 second Disconnect the manometer from the NIBP Sense Port Perform Normal Blood Pressure Reading Verification as follows 1 2 Perform the substeps below using NIBP Analyzer if available Perform Adult Verification as follows a Connect an Adult Cuff IRI Part Number 9070E to the NIBP Ports on the monitor Parameter Input Panel b Place the Adult Cuff on arm c If Adult mode is not selected press the NIBP ADULT NEO Control Key to select Adult d Press the NIBP START STOP Control Key e Verify that the Cuff inflates to 170 mmHg before the pump stops and the system begins to release pressure through the bleed valves f When the blood pressure determination is complete verify that the Systolic Mean and Diastolic Blood Pressure numerics are present in the lower left of the screen in the NIBP Icon g Remove the Cuff from the arm h Attach Cuff to a solid object approximately arm size press the NIBP START STOP Control Key and verify determination of 0 for Systolic Mean and Diastolic 1 Disconnect the Cuff from NIBP Ports on the monitor front panel Perform Neonatal Verification as follows a Connect a Neonatal Cuff IRI
10. On the Oscilloscope verify a positive pulse of 18 msec 2msec ap Remove the Oscilloscope Probe from Pin 7 and connect to Pin 8 aq On the Oscilloscope verify a negative pulse of 18 msec 2msec Remove finger from the probe as Disconnect SpO2 probe from the Parameter Input Panel at Disconnect oscilloscope and connect the DMM as follows 1 Connect the positive lead to Pin 14 2 Connect the negative lead to Pin 6 au Verify a reading of 2 5 Vdc 0 5 Vdc on the DMM av Disconnect the DMM aw On the Millennia 3155MVS 3155A monitor select HR SOURCE to QRS ax Onthe Oscilloscope set trigger to Auto Mode switch Vertical Sensitivityto 0 1 mV Div and time base to 0 2 seconds 0 25 seconds if using a digital oscilloscope ay Connect the Oscilloscope as follows 1 Connect Probe to Pin 10 2 Connect Probe Ground to Pin 6 az Verify 1 0 V 20 25 QRS waveform this waveform must be similar to the waveform that appears on the Millennia 3155MVS 3155A monitor and 3150 3150M monitor Display Screens 2 14 ba bb bc bd be bf bg bh bi bj bk Connect the AS131 Gating Interface Box to Channel 1 on the Oscilloscope with the Probe connected to the other end of the interface box Change the Oscilloscope Time Base to 0 2 seconds switch the Probe to 1X and change the Vertical Sensitivity to 1 mV Division or the lowest amplitude setting for the scope used Remove
11. 7 8 5 SELAO BLU Base Column 1 1 A MIE Em LBLowvwoououmsasutc Base Column 1 B Pin 11 Base 4 B Base 3 B 3 Column 4 A Column 3 A AC337 RED P4 ABTS O i Interconnect 75 75 Speaker AC306 DB25 Female WHT Et BRN VIO 3 BLU 4 YEL 5 86 RED 6 Iso L ORN Board GRN BLK 9 AB86 10 p2 ECG Iso Board P1 WHT VIO 2 YEL RED Pus BRN 5 150 DRA 6 Board BLK 7 BLK 8 P2 YEL 1 RED 2 AB86 BRN 3 ECG Iso L ORN 1 Board THIS PAGE INTENTIONALLY LEFT BLANK APPENDIX B LIST OF SYMBOLS Attention Consult N Accompanying 4 F Documents ON Main Power F O OFF Main Power EN ON For Part of the Equipment OFF For Part of a M the Equipment 54 25 m Class II Equipment Up Increment 5 v Down Decrement Input Output AQ a5 Do Not Bring Within Mo S 1000 Gauss Line Date of Manufacture 1998 Defibrillator proof Type CF Equipment IEC 601 1 Protection Against Shock Defibrillator proof Type BF Equipment 601 1 Protection Against Shock Alarms ON Alarms Silenced Heart Beat Detected
12. IN on and the sensor on the AS159 module 6 Apply 280 mmHG and verify no more than 4 mmHg drop in pressure within 60 seconds 7 Obtain the current barometric pressure reading inches of Hg and perform the following calculation Barometric Pressure Hg X 25 4 mm in X 0 005V mmHg The value should be approximately 3 800V dc 8 Disconnect pump from ABI15 J2 b Barometric Adjustment Perform Barometric Adjustment as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position 2 Tum ETCO2 ON and allow 15 minutes for warmup 3 Connect the DMM as follows a Connect the positive lead to U3 Pin 6 b Connect the negative lead to R34 leg near the board edge 4 Adjust for the above calculated value 5 Disconnect the DMM positive lead 6 Connect the DMM positive lead to U2 Pin 6 7 Adjust RP4 for 1 000 Vdc 10 mVdc 8 Disconnect the DMM positive lead 9 Carefully remove the tubing from U6 Transducer Port near C10 10 Use manometer and proper size tubing to apply 100 mmHg to the U6 Transducer Port 11 Connect the DMM positive lead to U2 Pin 6 12 Adjust RPS for 2 000 Vdc 10 mVdc 13 Recheck DMM reading with and without pressure to U6 while adjusting RP4 and RP5 as necessary 14 Tum the 3150 3150M monitor Power Switch to the OFF position 15 Reconnect tubing to the U6 Transducer Port 16 Reconnect pump to 115 J2 c High
13. Off Verification Perform the following procedure to ensure proper shut off in a low battery condition 4 2 4 e 1 Connect a DC Power Supply to AB76 P5 with the Positive lead on Pin 1 and the Negative lead on Pin 2 2 Connect a DMM to the DC Power Supply and adjust the output to 16 Vdc 3 Tum the 3150 3150M monitor Power Switch to the ON position 4 Verify proper operation of the 3150 3150M monitor 5 Reduce the DC Power Supply to 11 40 Vdc 0 5 Vdc and verify that the message LOW BATTERY appears on the monitor Display Screen in approximately 30 seconds 6 Continue to slowly reduce the DC Power Supply to 10 80 Vdc 0 5 Vdc and verify that Display Screen blanks except for the message A LOW BATTERY SHUTOFF HAS OCCURRED 7 Tum the 3150 3150M monitor Power Switch to the OFF position 8 Disconnect the DC Power Supply from AB76 P5 9 Reconnect the ASI53 AC Power Adapter to the 3150 3150M monitor 10 Turn the AS153 Line Switch to the ON 1 position Low Line Verification Perform Low Line Verification as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position 2 Decrease the Variable Auto Transformer voltage setting to 102 VAC 1 0 VAC for 120V models 197 VAC 1 0 VAC for 220V models 85 VAC 1 0 VAC for 100V models 3 Tum ALL the Parameters ON 4 Verify proper operation High Line Verification Perform High Line Verification as follows 1 Increase th
14. Oscilloscope Probe from Pin 10 and connect to Pin 9 Verify a 1 0 mV 0 25 waveform Switch Oscilloscope Vertical Sensitivity to 20 mV Division and Time Base to 0 2 Seconds Connect SpO2 Probe to the 3150 3150M monitor Parameter Input Panel Remove Oscilloscope Probe from Pin 9 and connect to Pin 13 Place finger into the SpO2 probe Verify approximately 20 mV u mV pulse signal waveform similar to the waveform displayed on the Millennia 3155MVS 3155A monitor and 3150 3150M monitor Display Screens Remove finger from the probe Disconnect Oscilloscope and SpO2 probe 2 15 THIS PAGE INTENTIONALLY LEFT BLANK 2 16 SECTION III DISASSEMBLY PROCEDURES 3 0 DISASSEMBLY PROCEDURES 3 0 1 Required Tools The following tools are required to disassemble this monitor e 1 4 Flathead Screwdriver e 1 Phillips Head Screwdriver e 1 Phillips Head Screwdriver e Small Flathead Screwdriver NOTE RF SHIELDING For proper operation within the MRI area this Monitor is constructed with extensive RF shielding to contain and prevent leakage of internal RF frequencies Care should be taken during disassembly and assembly to ensure that the EMI gaskets are not damaged Any worn or damaged EMI gaskets should be replaced to ensure integrity of the RF seal 3 1 Printed Circuit Board and Battery Access Perform substep a below for monitors with a serial number of 115 or below and substep b for monitors with a s
15. Perform the Pressure Transducer Test as follows 1 2 3 4 5 6 7 8 9 Set the Pressure Tester for 200 mmHg Verify on NIBP Diagnostics Screen DC 206 1 Set the Pressure Tester for 150 mmHg Verify on Diagnostics Screen DC 156 1 Set the Pressure Tester for 100 mmHg Verify on NIBP Diagnostics Screen DC 106 1 Set the Pressure Tester for 50 mmHg Verify on NIBP Diagnostics Screen DC 56 1 Set the Pressure Tester for 0 mmHg 10 Verify on Diagnostics Screen DC 6 1 11 Set the Pressure Tester for 50 mmHg 12 Verify on Diagnostics Screen DC 56 1 13 Set the Pressure Tester for 100 mmHg 14 Verify on NIBP Diagnostics Screen DC 106 1 15 Set the Pressure Tester for 150 mmHg 16 Verify on Diagnostics Screen DC 156 1 17 Set the Pressure Tester for 200 mmHg 18 Verify on Diagnostics Screen DC 206 1 19 Set the Pressure Tester for 250 mmHg 20 Verify maximum pressure on NIBP Diagnostics Screen DC 255 0 1 21 Release the pressure and disconnect the Pressure Tester from the Sense Port Perform Pneumatic Leak Test as follows 1 2 Connect 40 foot leak hose to the Ports the Parameter Input Panel While in Diagnostics Mode press the NIBP START STOP Control Key NOTE The pump will start up automatically and cycle approximately every 30 seconds A difference of 10 or more
16. So 95 Figure 3 4 AB67M Location Diagram 3 4 SECTION IV ADJUSTMENT PROCEDURES 40 ADJUSTMENT PROCEDURES CAUTION The Model 3150 3150M Patient Monitors contain a great number of Static Sensitive circuits Proper handling procedures must be followed when touching any Printed Circuit Board PCB as static voltages usually present on clothing and personnel present great risk of damage to the circuits All Service Procedures MUST be performed by Properly Grounded Personnel at a Static Free Work Station 4 1 Introduction The recommended calibration interval for the Model 3150 3150M patient monitors is one year Anytime repairs are made options are installed or the monitor fails the Calibration Procedure however the monitor should be recalibrated When power to the monitor is removed a warmup period of at least 15 minutes should elapse after power is reapplied to the unit prior to performing any of the calibration procedures provided in this section Several of the test points and adjustments are only accessible by extending the assembly from the Mother Board using the appropriate Invivo Research Inc IRI Extender Board from the monitor s maintenance kit IRI P N 9420 When those test points are called out in the procedure turn power OFF disconnect AS153 power connector disconnect battery cable P5 from the AB76 if present remove assy from the mother board connect the assy to the appropriate extender board then
17. a radio address value of AA the programmer should then type wsAA lt Enter gt When the programmer types a radio parameter and presses Enter the radio will automatically echo the value just entered on the next line on the computer screen To continue the above example if the programmer types wsAA lt Enter gt the next line on the screen will display the following text AA 5 2 c Enter all required VETWORK COMMANDS as follows Command wn wb wd WS wt wp 3155 Series BASE oe z 3150 Series REMOTE ES DESCRIPTION Set Network Number 0 thru f Set Base 1 Remote 0 Set Destination Address never use ff Set Source Address never use ff Set Channel Access Mode 0 CSMA 1 TDMA Set Transmit Power 0 low power 1 hi power d Enter all required SERIAL INTERFACE COMMANDS as follows Command Sy sd Sp 3155 Series BASE 0 083 0 3150 Series REMOTE 0 083 0 DESCRIPTION Set 0 Asynchronous 1 Synchronous Set Data Rate 083 9600 bps Set Packet Mode 0 point to point 1 multipt e Enter all required PROTOCOL COMMANDS as follows Command px pe see note pd 3155 Series BASE 28 n a n a n a n a 08 n a n a n a n a 0 c 3150 Series REMOTE 2816 01 40 6 03 10 08 02 01 ff 0A 0 c NOTE DESCRIPTION Set Hop Duration 28 76 144 msec Set Minimum Packet Length Set Maximum Packet Length Set Pack
18. and black wires from the HE60 Transceiver located in the column behind the service panel 6 Ifinthe NEO Mode press NIBP ADULT NEO Control Key to select ADULT 7 Adjust AB06DJ R43 for DC 6 1 on NIBP Diagnostics Screen 8 Adjust AB06DJ R41 for 80 1 on the NIBP Diagnostics Screen 9 Press the NIBP ADULT NEO Control key to select NEO 10 Adjust AB06DJ for AC 80 2 on NIBP Diagnostics Screen 11 Connect Pressure Tester Deadweight or Manometer to the NIBP Sense Port located on the Parameter Input Panel NIBP Left Port 12 Set the Pressure Tester for 200 mmHg pressure 13 Adjust AB06DJ R42 for DC 206 1 on the NIBP Diagnostics Screen 14 Disconnect the Pressure Tester 15 Press the NIBP ADULT NEO Control Key to select ADULT Adult Gain and Bandwidth Verification Perform Adult Gain and Bandwidth Verification as follows See Figure 4 3 1 Tum the 3150 3150M monitor Power Switch to the OFF position 47 Q 3 4 5 6 7 8 do 11 12 13 14 Follow the AB06DJ Transducer Input Cable red green and black wires down to the base and disconnect the 3 pin stix connector from Transducer Column Input Cable Connect a Signal Generator to the AB06DJ Transducer Input Cable Green Wire using the Black Wire as the Ground Connect a 49 9K Q resistor from the junction of AB06DJ R24 R25 or U2 Pin 3 to the Red Wire Set the Signal Generator output for
19. and its related circuitry The 12 Vdc supply is regulated by U5 When in battery operation turns on switching regulator U7 to boost the voltage maintaining sufficient U5 input regulator voltage The 12 Vdc supply is regulated by DC to DC converter U4 and its related circuitry The 10 Vdc supply is regulated by U3 using the 12 Vdc supply as reference 1 7 1 Battery Charger The battery charger is comprised of VR1 Ul Q3 Q7 Q8 and associated components Components R39 R7 029 D35 D30 and C41 form an adjustable voltage reference which is adjusted by R6 to the maximum battery charge voltage The diodes D29 D35 and D30 are located in the reference leg of VR3 to provide temperature compensation for the battery provides output voltage stability for the adjustable voltage reference output Ul and associated components C43 C44 D27 D28 R29 R35 R36 R42 R44 and R47 form a two stage voltage comparator which is used to monitor battery voltage and control the charger switching circuit Resistors R29 and 47 form a voltage divider with a nominal voltage of 8 1 Vdc which represents an undervoltage battery condition and is applied to U1 3 Resistor R36 applies the battery voltage to the other side of the undervoltage comparator at U1 2 Resistor R45 connects the output of the undervoltage comparator U1 1 back to the positive input of the undervoltage comparator where it is used to provide approximately 80mV of hyste
20. b Connect the negative lead to P2 Pin 9 or 10 Ground 2 Adjust AB152 for a reading of 14 5 Vdc 40 1 Vdc 3 Disconnect the positive lead of the DMM from P2 Pin 5 4 Using DMM verify the following voltage points on the AB152 Power Board 2 1 13 20 Vdc 0 25 b 2 2 12 00 Vdc 0 25 Vdc c P2 Pin3 5 05 Vdc 0 05 Vdc d P2 Pin6 10 00Vde 0 25 Vdc e 129 18 00 22 5 Vdc 5 Tum the 3150 3150M monitor Power Switch to the OFF position 6 Turn the 5153 Line Switch to the OFF O position 7 Disconnect the 5153 AC Power Adapter from the 3150 3150M monitor by unplugging the AC348 cable from the monitor base Low Battery Shut Off Verification Perform the following procedure to ensure proper shut off in a low battery condition 1 Connecta DC Power Supply to AB152 P5 with the Positive lead on Pin 1 and the Negative lead on Pin 2 2 Connect a DMM to the DC Power Supply and adjust the output to 16 Vdc 4 4 3 Tum the 3150 3150M monitor Power Switch to the ON position 4 Verify proper operation of the 3150 3150M monitor 5 Reduce the DC Power Supply to 11 40 Vdc 0 5 Vdc and verify that the message LOW BATTERY appears on the monitor Display Screen in approximately 30 seconds 6 Continue to slowly reduce the DC Power Supply to 10 80 Vdc 0 5 Vdc and verify that Display Screen blanks except for the message A LOW BATTERY SHUTOFF HAS OCCURRE
21. between the INIT and CUFF would be considered a failure and will register in the INIT window after each cycle j 3 4 Verify a minimum of 2 Leak Test Cycles with no failures Press the ALARM Control Key to exit the Diagnostics Mode Perform Over Pressure Verification as follows 4 2 3 4 Connect a manometer to the NIBP Inflate Port located on the monitor Parameter Input Panel NIBP right port If the patient selection is NEO press the NIBP ADULT NEO Control Key to select ADULT Press the NIBP START STOP Control Key to start up the pump Slowly close the bleed screw on the manometer hand bulb for a pressure rate of 50 mmHg per second until the manometer reaches 270 mmHg 5 2 7 5 6 1 2 Verify that the pump shuts itself off when the above limits are violated and an OVR PRES warning message is displayed in the lower left hand corner of the screen Disconnect the manometer from the NIBP Inflate Port Perform Leak Time Out Verification as follows With nothing connected to the NIBP Ports on the monitor front panel press the NIBP START STOP Control Key Verify that the pump shuts off after 6 seconds 1 5 seconds and that the error message TIME OUT is displayed in the lower left corner of the screen Perform Calibrate Error Verification as follows 1 2 3 4 5 6 Connect the Manometer to the NIBP Sense Port located on the monitor Parameter Input Panel
22. hazard exists Do not remove the monitor s cover A shock hazard exists Refer servicing to qualified personnel only No repair should be undertaken or attempted by anyone not having a thorough understanding of the repair and safety assurance of patient monitors Risk of RF current burn Cables which become inadvertently looped during MRI actas conductive lines for RF induced currents When lead wires or other cables form conductive loop in contact with the patient s tissue minor to severe burning can result Perform the following to minimize risk of RF current burn 1 2 3 4 Place cables and lead wires neatly in straight alignment with no looping Keep the length of lead wires and patient cable within the bore to a minimum RF burn risk increases when multiple sensors cables are in use Such combinations are not recommended The high radio frequency RF power used in MR scanning poses an ever present risk of excessive heat at the monitoring sites and therefore the risk of RF current burn Should power levels greater than S A R of 4 w kg peak 0 4 w kg average be used the risk of patient burn greatly increases As a result monitoring of ECG or Respiration derived from ECG leads at power levels of greater than 4 w kg peak 0 4 w kg average is not recommended for the general patient population Such monitoring should only be attempted on conscious patients with good temperature reflex so they may warn the operator of excessive
23. heat at the monitoring sites High RF Power may cause patient heating or burns For scans with average S A R gt 1 w kg limit scan time to 5 minutes and pause at least 3 minutes between scans to allow ECG Cable to cool NOTE Use only Invivo Research Fiber Optic Sensors and other MRI Compatible accessories with this monitor MRI Compatibility The Quadtrode MRI ECG Electrode Pad and ECG Patient Lead Wires and Cable are compatible with Magnetic Resonance Imaging MRI Systems within the following guidelines e MRI Systems with static magnetic field strengths up to 1 5 Tesla e Usable within MRI system bore with Specific Absorption Ratios S A R s up to 4 0 w kg peak Use with higher S A R s greatly increases the risk of patient burns Non magnetic materials are used in the construction of these assemblies If scanned directly across the plane of the ECG electrode element a slight image distortion may be seen at the skin surface where the electrode element is positioned vii USER RESPONSIBILITY This product will perform in conformity with the description contained in the Operations Manual for the Omni Trak 3150 MAGNITUDE 3150M MRI Monitor IRI Part Number 9538 and accompanying labels and or inserts when assembled operated maintained and repaired in accordance with the instructions provided This product must be checked and calibrated periodically Recommended calibrations should be performed every six
24. language AM67 revised to MUO2 and AM70 revision MDO preform these tasks With power on pressing and holding the ALARM SILENCE key then pressing P2 will bring up the 3150 CONFIGURATIONS screen Pressing the SIZE and LEAD keys move the cursor up and down through the available selections Pressing P2 key toggles the selection Pressing the CYCLE key enacts the selection and restarts the 3150 Pressing the ALARM SILENCE key will cancel the selection and return to normal display The selectable items are presented in the following paragraphs 6 2 Standard Configuration The arrows bracket the STANDARD CONFIGURATIONS current or A through F can be selected using the P2 key Selections available are e A P1 amp P2 ETCO2 MMHG STANDARD e B ETCO2 MMHG STANDARD C MMHG STANDARD e D PI amp P2 ETCO2 MMHG MAGNITUDE DSP software only E ETCO2 MMHG MAGNITUDE DSP software only F MMHG MAGNITUDE DSP software only 6 3 and P2 When the arrows bracket the P1 amp P2 selections available are e YES on NO OFF 6 4 2 When the arrows bracket the ETCO2 selections available are e YES on NO OFF 6 5 2 Units When the arrows bracket the 2 UNITS selections available are MMHG e KPA 6 6 3150 Model When the arrows bracket the 3150 MODEL selections available are MAGNITUDE Model 3150M e STANDARD Model 3150 NOTE DSP soft
25. monitor 2 12 aa ab ac ad Remove finger from the probe On the Millennia 3155 5 3155 monitor select HR SOURCE to Remove the Oscilloscope Probe from Pin 1 and connect to Pin 2 On the Oscilloscope verify that the amplitude is greater than 3 3 V and less than 5 0 Vp with a positive pulse of 13 msec 3msec 3150 monitor or 10 msec Imsec 3 150M monitor On the Millennia 3155MVS 3155A monitor select HR SOURCE to SPO2 Place finger into the SpO2 probe On the Oscilloscope verify that the amplitude is greater than 3 3 V and less than 5 0 Vo with a positive pulse of 13 msec 3msec 3150 monitor or 10 msec Imsec 3 150M monitor Remove finger from the probe Remove the Oscilloscope Probe from Pin 2 and connect to Pin 3 Connect the output of a Pressure Simulator to the P1 connector on the monitor front panel Set the Pressure Simulator to output 000 mmHg with the Zero switch on Turn on P1 and set zero by pressing the PRESSURE P1 ZERO ON Control Key Verify the P1 numerics indicate Zero 1 count and a positive pulse of approximately 15 ms width is displayed on the oscilloscope Adjust the Pressure Simulator as follows 1 Setthe Pressure Simulator Zero switch to 2 Setthe Pressure Simulator to output 100 Verify the P1 numerics indicate 100 1 count and a positive pulse of approximately 120 ms width is displayed on the oscilloscope Remove the Oscilloscope
26. provide temperature compensation for the battery provides output voltage stability for the adjustable voltage reference output U1 and associated components C43 C44 D27 D28 R29 R35 R36 R42 44 and R47 form two stage voltage comparator which is used to monitor battery voltage and control the charger switching circuit Resistors R29 and R47 form a voltage divider with a nominal voltage of 7 9 Vdc which represents an undervoltage battery condition and is applied to U1 3 Resistor R36 applies the battery voltage to the other side of the undervoltage comparator at U1 2 Resistor R45 connects the output of the undervoltage comparator U1 1 back to the positive input of the undervoltage comparator where it 1 3 is used to provide approximately 80mV of hysteresis about the comparator threshold This results in circuit stability when the battery undervoltage crossover point is present The output ofthe battery undervoltage comparator is low less than 1 5 Vdc under normal battery conditions and does not affect the operation of the second over voltage comparator When an undervoltage battery condition is detected the comparator output will be high and will be applied through D27 to U1 6 where it will override the high impedance battery input and result in the battery charger being turned off The present battery voltage is also applied through R35 to U1 6 as a high impedance input C44 filters this voltage for stability during comparator c
27. pulse at 60BPM S NORMAL SINUS mode 3 Setthe 3150 3150M monitor ECG Lead to III 4 Verify that while still in Adult Mode there is QRS Tone or Number displayed and the ASYSTOLE message is displayed in the ECG message area 2 5 5 6 7 8 9 Press the NIBP ADULT NEO Control Key to select the Neonatal Mode of operation Verify a QRS count of 60 a flashing heart symbol and audible tone and no LEAD FAIL message in the ECG message area Remove one wire at a time that pertains to the selected lead until all the Lead Wires have been tested In each case verify that within 30 seconds of removal of each wire that the LEAD FAIL message appears to the right of the selected lead at the top left of the display screen and that there is no QRS Tone or Number displayed Verify that the trace recovery time is within 30 seconds of Lead Fail Correction Select each lead in order and perform substep 7 until all the leads except CAL have been verified Disconnect Patient Simulator t QRS Detect Verification Perform the following procedure to verify proper operation of the QRS Detection Circuitry 4 2 3 4 5 6 7 Connect a ECG Patient Simulator to the ECG input on the 3150 3150M monitor Parameter Input Panel Set the Patient Simulator to output a 0 5 mV QRS pulse at 60BPM s NORMAL SINUS mode Setthe Millennia 3155MVS 3155A monitorto Adult Mode with Lead II selected Select HR SOURCE to EC
28. the DMM 6 Connect the DMM as follows a Connect the positive lead to AB89 TP4 b Connect the negative lead to the chassis Ground 7 Adjust AB89 R51 for 0 000 Vdc 0 050 Vdc 8 Disconnect the DMM 9 Press the PRESSURE P2 ZERO ON Control Key 10 Verify the following a The message P CAL DONE is displayed on the Display Screen b The P2 numeric display indicates O mmHg 1 mmHg 11 Set Pressure Simulator to 240 mmHg 1 mmHg 12 Adjust AB89 R41 for a P2 numeric display indication of 240 mmHg 1 mmHg 13 Set Pressure Simulator to 0 mmHg 14 Verify a P2 numeric display indication of 0 mmHg 1 mmHg 15 Repeat adjustments as required 16 Disconnect Pressure Simulator 4 12 4 11 f Reassemble the AS149 Isolation Board Assembly to the column g Perform Invasive Pressure Verification See Section 2 ETCO 2 Adjustment Perform ETCO2 Adjustment as follows NOTE Perform the following steps only for units that have the ETCO2 option AS159 module installed a Setup Prepare for adjustment of the 2 as follows 1 Tum the 3150 3150M monitor Power Switch to the OFF position 2 Remove AS159 ETCO2 Module from the base and place it outside the unit on a non conductive surface 3 Disconnectthe input power cable red and black wires from the HE60 Transceiver located in the column behind the service panel 4 Connect manometer to ETCO2 patient port on column 5 Pinch off tubing between SENSE
29. to the OFF position 13 Disconnect TF088 and DMM leads from the unit 14 Reconnect the Battery Cable to AB76 P5 4 3 15 Reassemble the unit as required Assemble as follows List of Required Equipment 2 Class III Meters 1 Use WTOS on each solder connection HB10A IRI Part Number 2 Cut connector off of HB10A wires 1 AC267 IRI Part Number 3 Cut 6 from Red Lead of HB10A and solder the wire onto the Red Lead of AC267 1 Black Banana Jack 1 Red Banana Jack 4 Attach the Red Banana Jack to the other end of the wire 1 Set of Leads from DMM 5 Solder Black Lead from HB10A to Black Lead of AC267 3 WT05 Heat Shrink 6 Attach Black Banana Jack to the end of Red Lead from HB10A lt 10 gt lt 6 gt To P5 on 0 To of Amp Meter AB76 AB152 A P To of Amp Meter WT05 Heat Shrink DMM 18 12 T T To 3150 Chassis AMP METER HBI0A HBIOA P5 AB76 AB152 Figure 4 2 TF0088 TF0082 Assembly Instructions 4 4 Power Supply Calibration AB152 Power Board Only Perform the following procedure to verify a b proper operation of the monitor power supply Battery Charger Reference Voltage Adjustment Adjust the Battery Charger Reference Voltage as follows 1 Connect the DMM to the AB152 Power Board as follows a Connect the positive lead to P2 Pin 5 Ref
30. turned on current will flow into L1 C36 across resistor R9 and through diodes D14 D15 D16 and D17 into the four batteries When approximately 1 0 ampere of current is flowing through resistor R9 a voltage large enough to turn on transistor Q5 will be developed 0 65 Vdc Resistor R20 limits the base current of Q5 When Q5 is saturated the voltage across the emitter base junction of transistor Q7 will fall below the level required for conduction and Q7 will turn off Transistors Q8 and Q3 will be turned off Current will continue to flow into the battery through diode D20 L1 R9 and D2 due to the field collapse of coil L1 Capacitor C36 will also provide a current source at this time When current flowing out of coil L1 and capacitor C36 is no longer sufficient to maintain a voltage saturating the emitter base junction of transistor Q5 transistor Q7 will turn on and the cycle will repeat The cycle frequency is determined by the LC time constant of L1 and C36 and is approximately 8 4 KHz When the battery is sufficiently charged the voltage to the battery comparators becomes positive enough to allow the output to switch low at U1 7 Enough current then flows through R4 R33 and diode D25 to turn on transistor Q6 and transistor Q7 is held in the cutoff condition until further charging is required Each of the four batteries has its own diode for charge and discharge This helps prevent a battery with a dead cell from discharging the other batter
31. which energizes V1 changing it from the NO position to the NC position This action causes the sample to be drawn from the zero port atmosphere rather than from the patient sample port The processor then establishes the zero point at atmosphere PUMP AP42 ZERO PORT OUT WASTE GAS VALVES EXHAUST NO PATIENT VAEVE d SAMPLE a VALVE 2 9 PRESSURE 111 TRANSDUCER U7 DIFFERENTIAL PRESSURE TRANSDUCER 06 Figure 1 2 2 Flow Diagram Zero 1 15 3 ETCO2 Occlusion Ifthe pneumatic system should become plugged with debris occlusion the direction of system flow is reversed in order that debris is dislodged from the system An occlusion event See Figure 1 3 is determined by the processor as a drop in the system flow rate as determined by the differential pressure sensor When the processor recognizes an occlusion a signal 15 sent to U14 U14 turns Q4 and Q5 on which switches V1 V2 and to the NC position This reverses the flow of the system and pushes the debris out the zero port 1 8 ZERO PORT NC VALVE 1 PATIENT No SAMPLE COM COM NC VALVE 2 PUMP AP42 EE IN OUT NC EOM WASTE GAS EXHAUST NO VALVE 3 4 4 4 DIFFERENTIAL PRESSURE PRESSURE TRANSDUCER TRANSDUCER U7 U6 pau Figure 1 3 ETCO2 Flow Diagram Occlusion 1 9 THIS PAGE INTENTIONALLY LEFT BLANK SECTION II CALIBRATION AND VERIFICATION 2 0 CALIBRATION AND VERI
32. 02 02 Set Per Hop Limit pb 08 08 08 Set CSMA Backoff Constant pp 19 19 19 Set CSMA Persistence ps 00 00 12 Set TDMA Time Slot pg 0 0 0 Enable Peer Addressing O disable 1 enable Enable Redundant Transmit O disable 1 enable px o o 0 0 0 pe see note 0 Enable Limited ETSI Channel Set 0 disable 1 enable pd 0 Antenna Diversity O disable 1 enable NOTE When programming radios for France pe must be set to 1 for a limited radio frequency range of from 2448 to 2480 f Enter all required STATUS COMMANDS as follows 3150 Series 3155 Series 5163 Command BASE REMOTE REMOTE DESCRIPTION 1 zb 1 1 Banner Display O disable 1 enable zc 1 1 1 Escape Sequence O disable 1 enable zp 0 0 0 Power Save Mode O disable 1 enable g When all parameter data is entered into the HE60 radio transceiver s memory type gt Enter to save the encoded parameters h Exit the programming mode by typing z gt Enter i Unplug the 9 Vdc batteries from both pigtailed battery cables red and black wires j Unplug the test fixture from the pc and HE60 transceiver Store test fixture with batteries for future use 5 6 HE60 Programming for Dual 3155 Communications Perform the following steps to program the 3150 series monitor for radio communications with dual remote Millennia 3155A and 3155 5 monitors NOTE Confirm that proms AM70A and AM70B are installed in sockets 019 and U18 o
33. 2 3 4 Connect manometer to the sense port at the front of the 3150 3150M monitor Close the hand bulb and pump the bulb until the manometer reaches 250 mmHg Connect a jumper across AB06DJ CR20 near U4 on the component side of the board and start the stop watch Verify that the message TIME OUT is displayed on the lower left of the 3150 3150M monitor Display Screen after 180 seconds 30 seconds 5 Connectthe X10 Oscilloscope probe to AB06DJ 4 Pin 3 using CR20 as Ground 6 Verify that AB06DJ U4 Pin 3 is High 5 Vdc 7 Tum the 3150 3150M monitor Power Switch to the OFF position 8 Disconnect the manometer and Oscilloscope test probe 9 Disconnect the jumper from the AB06DJ NIBP Board g NIBP Overpressure Switch Adjustment Adjust the NIBP Overpressure Switch as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position Q 3 4 5 6 7 8 9 10 11 Connect a manometer to the NIBP Inflate Port located on the Parameter Input Panel NIBP right port If necessary press the NIBP ADULT NEO Control Key to select Adult Press the NIBP START STOP Control key to start the pump Slowly close the bleed screw on the manometer hand bulb at a rate of 50 mmHg per second until the manometer reaches 265 mmHg 5 mmHg Verify that the pump shuts itself OFF when the above limits are violated and that the message OVR PRES 15 displayed on the 3150 3150M monitor Display Screen To
34. 240 BPM 4 10 f ECG Cal Gain Adjustment Perform ECG Cal Gain Adjustment as follows 1 2 3 Select the Calibration Mode on the 3155MVS 3155A monitor as follows a Turn the Rotary Knob to highlight the ECG Icon b Press the Rotary Knob to select the ECG Menu c Turn the Rotary Knob to highlight the CAL menu selection d Press and hold the Rotary Knob until the ECG CAL signal has stabilized e Release the Rotary Knob Press the RECORD Control Key Adjust AB87 AB87A AB87M R102 for a 10 mm 2 division deflection on the recorder strip g Reassemble the monitor as necessary h Perform ECG Verification See Section 2 4 10 Invasive Pressure Adjustments Perform Invasive Pressure Adjustments as follows NOTE Perform the following steps only for units that have the P1 and P2 option AB90 Non Iso Board installed a Setup Perform the following to prepare the Invasive Pressure section for adjustment 1 2 3 4 5 6 Turn the 3150 3150M monitor Power Switch to the OFF position Disconnect the AS153 AC Power Adapter and battery cable from the AB76 Remove the AB90 Invasive Pressure Non Iso Board from the Mother Board Connect the AB90 Board to an extender board Plug the extender board into the Mother Board Turn the 3150 3150M monitor Power Switch to the ON position Initial Voltage Adjustment Perform the Initial Voltage Adjustment as follows 1 2 3 4
35. 5mmHg 120 80 90 10mmHg 150 100 115 10mmHg 190 140 155 10mmHg NOTE The uncertainty specifications of the NIBP Analyzer must be added to the 3150 3150M monitor tolerances for proper accuracy verification 2 3 3 SpO2 Verification Perform the following procedure to verify proper operation of the SpO2 System a b Connect SpO2 Probe to the SpO2 connector on the monitor Parameter Input Panel If necessary press the PRESSURE P2 ZERO ON Control Key to turn off P2 Place your finger into the probe and after the monitor waveform display levels out verify the following 1 SpO2 Pulse occurs with the operators heart count 2 The SpO2 is within reasonable limits for the operator 96 to 100 3 SpO2 waveform is smooth with no steps Remove the probe from your finger Verify the accuracy of Oxygen Saturation Value with Invivo probes as follows 2 9 NOTE Perform the measurements below using an SpO2 simulator if available Oxygen Saturation Tolerance 90 100 2 80 90 2 2 70 80 2 5 60 70 3 NOTE The uncertainty specifications of the SpO2 Simulator must be added to the 3150 3150M monitor tolerances for proper accuracy verification f Disconnect the SpO2 probe from the monitor Parameter Input Panel 2 3 4 2 Verification If the ETCO2 option is installed Perform the following to verify proper operation of the ETCO2 system a On the Millennia 3155MVS 3155A monitor setup up the ETC
36. 9 and associated circuitry provide amplification and filtering for stabilization of the channel 1 signal before passing through ISO Barrier U12 U23 and associated circuitry provide the proper DC offset before the signal is sent to the ECG Analog Board U10 and associated circuitry provide amplification and filtering for stabilization of the channel 2 CAL signal before passing through ISO Barrier U24 U23 and associated circuitry provide the proper DC offset before the signal is sent to the ECG Analog Board 12 Analog Non ISO Board AB87 Channel 1 ECG signal is again filtered and amplified to IV per U20 U32 U42 and associated circuitry Channel 2 ECG signal is again filtered and amplified to 1 V per Imv U20 U26 U22 and associated circuitry Both channels are fed into UI then sent to the 47 Signal Processor board A 40 KHZ crystal is amplified and used for ISO power reference T1 5 It is also used as a clock where after divided by U8 and U3 a 1 22 HZ CAL signal is generated Lead selection and RL drive are driven by U2 1 3 Invasive Pressure ISO Board AB89 A 40 KHZ reference signal supplied by the Invasive Pressure Non ISO board is fed through then rectified and filtered in the ISO power metal box for the and 12 Vdc ISO supplies U7 and associated circuitry provide regulation for the 1 53 Vdc transducer excitation reference voltage UI U2 U5 and associated circuitry provide amplification and signal c
37. 9539 Magnitude 3150M MRI Monitor Omni Trak 3150 MRI Monitor INVIVO RESEARCH INC PRECISION BIOMEDICAL INSTRUMENTS m Par MoMrOR EtCO2 74 115 P2 68 ET 5 P2 ZERO ON NIBP e Ne PRESSURE NEO 117MANUAL 0 42 3 LEAD pen 84 95 97 18 STOP Service Manual Volume I Maintenance Instructions 4 INVIVO Invivo Research Incorporated Magnitude 3150M MRI Monitor Omni Trak 3150 MRI Monitor Service Manual INVIVO RESEARCH INCORPORATED 12601 Research Parkway Orlando FL 32826 1 800 331 3220 1 407 275 3220 www invivoresearch com 0413 IRI PN 9539 Release 3 12 01 Copyright 1998 Invivo Research Incorporated European Authorized Representative Invivo Research UK Ltd Halifax West Yorkshire United Kingdom TABLE OF CONTENTS Paragraph Number Page Number List of ct gt eon ea esr iv General Service Precautions v MRI Service Precautions vi User Responsibility Vili 1 0 THEORY OF OPERATION 1 1 1 1 ECG iSO Board ABSG a CE Ue DEG AE OE oC A 1 1 1 2 ECG Analog Non ISO Board 7 1 1 13 Invasive Pressure ISO Board AB89
38. AL available in Stand Alone Mode only may be selected Press the ECG LEAD Control Key until ECG Lead II is displayed on the Display Screen b ECG SIZE Control Key Item 8 Perform the following procedure to verify proper operation of the ECG SIZE Control Key 4 2 3 4 Note the Lead Size displayed on the Display Screen then press the SIZE Control Key Observe that the displayed Size noted above changed Continue to press the ECG SIZE Control Key to verify that the following Sizes may be selected 5 10 15 20 25 30 40 and A Press the ECG SIZE Control Key until A 15 displayed on the Display Screen 2 2 2 2 2 ETCO2 ZERO ON Control Key Verification Item 9 Perform the following procedure to verify proper operation of the ETCO2 ZERO ON Control Key a b g h If On turn the Remote Monitor Power Switch to the OFF position Press the ETCO2 ZERO ON Control Key Verify that the ETCO2 System turns On Press the ETCO2 ZERO ON Control Key Verify that the NOW ZEROING message is displayed Press and hold the ETCO2 ZERO ON Control Key Verify that the ETCO2 System turns Off Release the ETCO2 ZERO ON Control Key 2 2 3 Invasive Pressure Control Keys Verification Perform the following procedure to verify proper operation of the Invasive Pressure Control Keys a PRESSURE P1 ZERO ON Control Key Item 5 Perform the following procedure to verify proper operation of the PRESSURE P1 ZERO ON Co
39. BLK 12 1 Wiring Breakout Diagrams Continued AC359 1 REVERSE 1 BRN i DB9 2 RO VIO 2 Male x 12V ORG 3 Connector 4 Board x PUMP RTN BLK PUMP RED 6 P Bu 9 CO2 Input AC340 AC339 2 1 1 6 Chassis AB22 x 5 Oximeter g LED RETURN lt Board 7 LED DRIVE Base Column e 6 8 5 7 3Pin GND BLK Stix Connector pe GRN 880 Board RED Transducer AC344 5 RESET BLU 1 3 7 GND BLK ELE 15 GND BLK 17 GND BIK j WHT 67 Board 4 MDI BRN 2 Interconnect 6 3 8 MD3 WHT 4 10 MD4 GRN s Base Column 12 05 RED 28 A 14 MD6 VIO 7 16 MD7 BLU 8 18 MWR YEL MED RED 20 RED 10 AC336 DCPRESENT RED DC PRESENT RED DB15 AB76 AB152 MEI Connector VO Port Base Column 6 HE60 AB67 E Mother Transceiver Board jLPWRSWIN AB76 AB152 gt Power Board AP45 Inverter AB87 AB87A AB87M ECG Analog Non Iso Board AB90 Invasive Pressure Non Iso AB87 AB87A AB87M ECG Analog Non Iso Board Wiring Breakout Diagrams Continued AC338 L PWR SW OUT BLK PWR SW OUT INVERTER VIO INVERTER RIN VIO AC342 MENU TOG3 WHT 5 MENU TOG 2 VIO 4 1 P24 1 2 3 4 5 5
40. Connect Flow Meter to the ETCO2 Port on the monitor Parameter Input Panel and verify an air flow of 230 ml 5 ml 2 3 5 Invasive Pressure Verification If the Invasive Pressure option is installed Perform the following procedure to verify the proper operation of the Invasive Pressure monitoring system a Connect the output of a Pressure Simulator to the P1 connector on the monitor front panel Set the Pressure Simulator to output 000 mmHg with the Zero switch on Turn on P1 and set zero by pressing the PRESSURE P1 ZERO ON Control Key Verify the P1 numerics indicate Zero 1 count Adjust the Pressure Simulator as follows 1 Setthe Pressure Simulator Zero switch to 2 Setthe Pressure Simulator to output 240 Verify that the P1 numerics increase in a positive direction toward 240 Set the Pressure Simulator Zero switch to Zero h Verify that the P1 numerics return to zero i Verify the Invasive Pressure at different levels as follows 1 Setthe Pressure Simulator Zero switch to 2 Setthe Pressure Simulator to output 50 3 Verify that the P1 numerics indicate 50 1 4 Setthe Pressure Simulator to output 100 5 Verify that the 1 numerics indicate 100 1 6 Setthe Pressure Simulator to output 150 7 Verify that the Pl numerics indicate 150 1 8 Setthe Pressure Simulator to output 200 9 Verify that the P numerics indicate 200 2 10 Set the Pressure Simulator to output 240 11 Verify that th
41. D 7 Continue to slowly reduce the DC Power Supply output voltage Verify the monitor turns off at a voltage measurement of 9 9 Vdc 0 4 Vdc 8 Tum the 3150 3150M monitor Power Switch to the OFF position 9 Disconnect the DC Power Supply from AB152 P5 10 Reconnect the ASI53 AC Power Adapter to the 3150 3150M monitor 11 Turn the AS153 Line Switch to the ON 1 position Low Line Verification Perform Low Line Verification as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position 2 Decrease the Variable Auto Transformer voltage setting to 102 VAC 1 0 VAC for 120V models 197 VAC 1 0 VAC for 220V models or 85 1 0 VAC for 100V models 3 Turn ALL the Parameters ON 4 Verify proper operation High Line Verification Perform High Line Verification as follows 1 Increase the Variable Auto Transformer voltage setting to 133 VAC 1 0 VAC for 120V models 243 VAC 1 0 VAC for 220V models or 110 VAC 1 0 VAC for 100V models 2 Verify that ALL the Parameters are ON 3 Verify proper operation 4 Return the Variable Auto Transformer to the applicable nominal line voltage set ng Battery Charge Discharge Verification Perform Batter Charge Discharge Verification as follows See Figure 4 2 1 Verify 14 5 Vdc at P2 Pin 5 on 152 2 Verify Line Switch on AS153 and Power Switch on the 3150 3150M monitor are in the OFF positions 3 Connect TF082 in series with a DC Cu
42. FICATION 2 0 1 Required Test Equipment The following test equipment is required to perform calibration verification and adjustment procedures on the Model 3150 3150M monitors 20 MHz Dual Channel Oscilloscope Analog Digital Multimeter 5 5 digit accuracy or better Pressure Manometer Patient Simulator ECG 60 300 bpm 0 5 to 2 mV amplitude ImV square wave at 2 Hz Variable Auto Transformer 50 60Hz 120V input 0 250V output or equivalent Variable DC Voltage Supply 40 foot NIBP Hose Pressure Simulator 0 to 250 mmHg Extender Boards Piece of Wood 2 ft 1 x 6 Signal Generator 50 Output Impedance 49 9K Resistor 0 05 mm Hex Driver 2 0 2 ETCO2 Test Equipment The following additional test equipment is only required if the monitor contains the 2 option Air Flow Meter 0 to 300 mL minute e Calibration Gas 10 CO2 50 N2O Balance N2 Invivo Research Part Number 9010F 2 0 5 GATING Test Equipment The following additional test equipment is only required if the monitor contains the GATING option Signal Test Adapter Invivo Research Part Number AS131 2 1 Turning The Monitor On Perform the following procedure to apply power to the monitor a Turn the AS153 AC Power Adapter and 3150 3150M monitor Power Switches to the ON position Onthe 3150 3150M monitor Front Panel Display verify that the following messages are displayed alarm tone will also sound 1 COMMAND LINK
43. Front Panel Control 2 2 2 2 1 ECG Control Keys Verification 2 2 222 2 ZERO ON Control Key Verification 2 3 2 23 Invasive Pressure Control Keys Verification 2 3 2 24 ALARM Control Key Verification 2 3 2 235 NIBP Control Keys Verification 2 3 2 3 Patient Parameter Verification 2 4 2 3 1 ECG Verification 2 4 2 3 2 NIBP Verification 2 6 23 3 mag A peace deat a 2 9 2 3 4 ETCO2 Verification cee eee eee eee ees 2 10 2 3 5 Invasive Pressure Verification 2 11 2 3 0 Gating Verification ues zus A xXx AA ee RU Hee 2 12 3 0 DISASSEMBLY PROCEDURES 3 1 3 0 1 Required FOD S 3 1 3 1 Printed Circuit Board and Battery Access 3 1 3 1 1 5145 Electronics Assembly Card Cage Removal 3 1 32 Low Battery sa k asa a 3 4 4 0 ADJUSTMENT PROCEDURES 4 1 AV Introduction ue derer
44. G on the remote monitor Setup the 3150 3150M monitor as follows a Setthe ECG Size to 10 b Set the ECG Lead to II c Select Adult Mode Verify the following on both the 3150 3150M monitor and the remote monitor a Trace A shows a waveform train of moving QRS pulses without jittering b Trace A numerics indicate an ECG count of 60 BPM c The QRS Symbol flashing heart is present d QRS Heart Rate Tone is present with NO double tones Disconnect the Patient Simulator from the Parameter Input Panel 2 3 2 NIBP Verification Perform the following procedure to verify proper operation of the NIBP system a Press and hold the ALARM Control Key for approximately 3 seconds to display the NIBP Diagnostics Screen NOTE The diagnostics mode is limited to 3 5 minutes At that time the NIBP Diagnostics and System Voltages return to 0 b Verify the following on the NIBP Diagnostics Screen 1 DC 6 1 2 AC 80 21 c Verify the following System Voltages on the NIBP Diagnostics Screen 1 5V 5 0 40 1 2 12 13 0 5 3 12 12 40 5 d Press the NIBP ADULT NEO Control Key to select NEO 2 6 e 1 Verify the following on the NIBP Diagnostics Screen 1 2 DC 6 41 80 1 Press the ADULT NEO Control Key to select ADULT Connect Pressure Tester Deadweight or Manometer to the NIBP Sense Port on the monitor Parameter Input Panel NIBP left port
45. GURATION SCREEN 6 1 6 1 Introduction 6 1 6 2 Standard Configuration 6 1 63 P2 E Uu eti edu dU 6 1 GA EICO cria eu EE PAG RE IE d px E gus pide ud eg e 6 1 5 5 UNES aac er a ee OS RO e CR 6 1 660 30 Model need 6 1 6 7 LANDUADE Sce 6 2 ii TABLE OF CONTENTS Paragraph Number Page Number A 1 APPENDIX A WIRING BREAKOUT DIAGRAMS APPENDIX B LIST 58 iii LIST OF FIGURES Figure Number Page Number Figure 1 1 ETCO2 Flow Diagram Normal 1 7 Figure 1 2 2 Flow Diagram Zero ran 1 8 Figure 1 3 ETCO2 Flow Diagram Occlusion 1 9 Figure 2 1 The 3150 3150M Monitor Control Panel 2 2 Figure 3 1 Card Cage Removal Diagram 3 2 Figure 3 2 Software Location Diagram AB06DJ AB22M AB47 and 119 3 3 Figure 3 3 Software Location Diagram 115 ETCO2 Board 3 4 Figure 3 4 AB67M Location Diagram read REX XY ea 3 4 Figure 4 1 Power Supply Test Setup
46. HE60 Programming for Single 3155 Communications Perform the following steps to program the 3150 series monitor for remote radio communications with a single 3155 series monitor NOTE Confirm that proms AM59 X A and AMS9 X B are installed in sockets U19 and U18 of the AB119 Master Processor board respectively before performing the following procedure This can be verified without disassembling the unit by pressing and holding the ALARM SILENCE control key on the Model 3150 monitor for approximately 3 seconds and noting that the value displayed for the master processor begins with a prefix of MM 1 MASTER MMXA NOTE These programming instructions may not be fully backwards compatible with the original factory programming supplied with older 3150 3155 series models if only one of the associated radio transceivers is reprogrammed by the technician If your 3150 series monitor bears any of the following serial numbers SNs you must ensure that the HE60 transceivers located in both the 3150 series and the 3155 series patient monitors are reprogrammed in accordance with this procedure a 3150 SNs 100 117 119 189 195 197 Enter radio parameter data into the HE60 transceiver s memory by performing the following steps Each radio parameter is entered by typing a two letter code and then the applicable value associated with that code For example the two letter code to set the radio s address or ID code 15 ws To specify
47. MA 1 TDMA Set Transmit Power 0 low power 1 hi power READ Signal Strength 0 Multi Point 1 Point to Point Range Optimization d Enter all required SERIAL INTERFACE COMMANDS as follows 3155A or 3155MVS Set to 3150 Series Remote 1 3155MVS Command BASE REMOTE REMOTE 0B 0B sd see note 03 sp 4 0 0 NOTE DESCRIPTION Set Data Rate 03 57 6K bps OB 19 2K bps Set Packet Mode 0 Point to Point 4 2400 mode Multi Point After a radio s communication data rate has been changed Set Data Rate code sd above the radio will then expect all further communication to proceed at the new data rate Therefore the programmer must alter the BaudRate value in WinCom24 to correspond with the new rate programmed into the radio Remote OB 19200bps Base 03 57600bps When and ONLY when the data rate programmed into the radio transceiver has been changed change the BaudRate value in WinCom24 to match the new data rate just programmed into the radio transceiver do NOT disconnect the test fixture from the pc or AB182B transceiver Type the query sd Enter and verify that the screen echoes the new data rate programmed into the radio transceiver on the next line on the screen e Enter all required PROTOCOL COMMANDS as follows 3155A or 3155MVS Set to 3150 Series Remote 1 3155MVS Command BASE REMOTE REMOTE DESCRIPTION 0 0 pe seenote 0 Frequency Set for Country Used ph 70 4A AA Set Hop Dura
48. O2 system as follows 1 Press the SETUP Control Key 2 Turn the Rotary Knob to highlight the PARAMETER SELECTION menu selection 3 Press the Rotary Knob to select PARAMETER SELECTION 4 Turn the Rotary Knob to highlight the ETCO2 menu selection 5 Press the Rotary Knob to select ETCO2 6 Turn the Rotary Knob to highlight the ETCO2 ON parameter selection 7 Press the Rotary Knob to select ETCO2 ON 8 Press the NORMAL SCREEN Control Key 9 Wait 15 minutes for ETCO2 to Warm Up before proceeding to substep b b Perform CO2 Occlusion Test as follows 1 Place your finger over the ETCO2 Port on the monitor front panel and verify the following a The message OCCLUSION appears at the bottom right corner of the display screen b The pump motor speed increases in an attempt to clear the occlusion 2 Remove your finger from the ETCO2 Port 3 Press the NIBP ADULT NEO Control Key to select NEO this changes the air flow from High to Low 4 Place your finger over the ETCO2 Port on the monitor front panel and verify the following a The message OCCLUSION appears at the bottom right corner of the display screen b The pump motor speed increases in an attempt to clear the occlusion 5 Remove your finger from the 2 Port c Perform Zero Calibration for Low Flow as follows 1 Press the ETCO2 ZERO ON Control Key 2 Verify that message ZEROING appears at the bottom right corner of the Display Screen 2 10
49. Part Number or 2 to your finger b Connect the Neonatal Cuff to the NIBP Ports on the monitor front panel c Press the NIBP ADULT NEO Control Key to select Neo d Holdhand with cuffed finger above shoulder height to ensure blood pressure reading below 100 mmHg and press the NIBP START STOP Control Key e Verify that the Cuff inflates to 110 mmHg before the pump stops and the system begins to release pressure through the bleed valves 2 8 f When the blood pressure determination is complete verify that the Systolic Mean and Diastolic Blood Pressure numerics are present in the lower left of the screen in the NIBP Icon g Remove the Cuff from the finger h Attach Cuff to a solid object approximately finger size press the NIBP START STOP Control Key and verify a NIBP determination of 0 for Systolic Mean and Diastolic D Disconnect the Cuff from the NIBP Ports on the monitor front panel Return the Patient Selection to Adult by pressing ADULT NEO Control Key n Perform the NIBP Range and Accuracy Verification as follows NOTE Perform the substeps below using an NIBP Analyzer if available 1 Adult Range and Accuracy Verification Systolic Diastolic Mean Tolerance 45 15 25 5mmHg 80 50 62 5mmHg 120 80 90 10mmHg 150 100 115 10mmHg 245 185 205 10mmHg 2 Neonatal Range and Accuracy Verification Systolic Diastolic Mean Tolerance 45 15 25 5mmHg 80 50 62
50. Probe from Pin 3 and connect to Pin 4 Verify the P1 numerics indicate 100 1 count and a positive pulse of approximately 120 ms width is displayed on the oscilloscope Set the Pressure Simulator Zero switch to Zero Verify the P1 numerics indicate Zero 1 count and a positive pulse of approximately 15 ms width is displayed on the oscilloscope Remove the Oscilloscope Probe from Pin 4 and connect to Pin 11 Verify the P1 waveform on the 3150 3150M monitor is similar to the waveform displayed on the oscilloscope 2 13 af Set the Pressure Simulator Zero switch to output at 100 ag Verify the P1 waveform on the 3150 3150M monitor is similar to the waveform displayed on the oscilloscope ah Remove the Oscilloscope Probe from Pin 11 and connect to Pin 5 ai Connect the 2 CAL GAS IRI Part Number 9010F aerosol can to the ETCO2 Port aj Simulate breathing pattern by pressing and releasing the nozzle of the can at a rate of approximately 15 BPM and verify that a negative gating pulse is displayed on the oscilloscope ak Remove the Oscilloscope Probe from Pin 5 and connect to Pin 12 al Simulate breathing pattern by pressing and releasing the nozzle of the can at a rate of approximately 15 BPM and verify that the RESP waveform on the 3150 3150M monitor is similar to the waveform displayed on the oscilloscope am Remove the Oscilloscope Probe from Pin 12 and connect to Pin 7 an Place finger into the SpO2 probe ao
51. a sine wave of 2 5 Hz 12 5mV with no DC Offset Set Oscilloscope Channel 1 to 50mV Div AC Coupled Time Base to 0 5msec Div and Trigger to Normal Mode Connect a X10 Scope Probe to AB06DJ TPAC using the anode of CR20 as Ground Turn the 3150 3150M monitor Power Switch to the ON position On the Oscilloscope verify a 2 5 Hz 2 2V 0 44V waveform Decrease the frequency ofthe Signal Generator until the amplitude as observed on the Oscilloscope is exactly Y of what it was at 2 5 Hz Verify that the frequency is at 0 5 Hz 0 1 Hz Retum the Signal Generator to 2 5 Hz On the Oscilloscope verify a 2 2V 0 44 V waveform Increase the frequency ofthe Signal Generator until the amplitude as observed on the Oscilloscope is exactly Y of what it was at 2 5 Hz 15 Venfy that the frequency is at 8 Hz 1 Hz 49 9KQ RED U2 3 CREEN SIGNAL GEN BLACK Figure 4 3 AB06DJ Transducer Input Cable d NEO Gain and Bandwidth Verification Perform NEO Gain and Bandwidth Verification as follows 1 2 3 4 5 6 7 8 9 10 11 12 13 Set the Signal Generator to 2 5Hz 3mV with no DC Offset Move the X10 Oscilloscope Probe to ABO06DJ TP NEO On the Oscilloscope verify 2 2V 0 44V waveform Decrease the frequency ofthe Signal Generator until the amplitude as observed on the Oscilloscope is exactly Y of what it was at 2 5 Hz Verify that the frequency is a
52. adjust insert a small shaft 0 05mm hex driver into the overpressure switch located on the side of the Pneumatic Assembly and turn it until the above specification 15 achieved Turn the 3150 3150M monitor Power Switch to the OFF position Disconnect the manometer from the NIBP Inflate Port Reassemble as necessary Reconnect the input power cable red and black wires to the HE60 Transceiver located in the column behind the service panel 4 9 h Perform NIBP Verification Procedure See Section 2 49 ECG Amplifier Adjustments Perform ECG Amplifier Adjustments as follows a Setup Perform the following setup procedure to prepare the AB86 and 89 Boards for adjustment 1 2 3 4 5 6 7 8 9 Turn the 3150 3150M monitor Power Switch to the OFF position Remove the AS149 Isolation Board Assembly from the column See Section 3 Turn the AS149 Isolation Board Assembly so the AB86 and AB89 boards are facing outward Reconnect all cables Turn the 3150 3150M monitor Power Switch to the ON position Connect the ECG Patient Simulator to the ECG Input on the Parameter Input Panel Setup the ECG Patient Simulator to output a 1 mV square wave at 2 Hz Set the 3150 3150M monitor to LEAD II with SIZE set to 10 Turn the Millennia 3155MVS 3155A monitor Power Switch to the ON position Initial Voltage Adjustment Perform the Initial Voltage Adjustment as follows 1 2 3 4 Connect the DMM as foll
53. age 3 1 Liftthe 5145 Assembly out of the monitor base support this assembly with a wooden board placed across the top of the base Remove the Rear Card Cage Bracket Remove the Top Brace Rear Bracket Figure 3 1 Card Cage Removal Diagram 57 57 57 Eprom 1 to U2 3 47 47 47 DSP Board mm proper orientation when installing Eproms Note N ge iH 5 7 EE m Jm F Tim iguing AN SF B E cua 5 E E d ss p 0000000000 59 67 59 67 70 70 Eprom Eprom Plo k dee j j E DE LEE E nu p ES ES Ee Des ERY E OOF EEE O E EP HESS AB119 AB119A Master Processor Board
54. ance discharge path for C44 during input power down condition When the output of the battery comparators is high the battery charger switching circuit will be turned on A voltage of less than 17 0 Vdc will be present at the emitter of transistor Q6 and not enough current can flow through resistors R4 R33 and across diode D25 to cause transistor Q6 to saturate The voltage at the base of transistor Q7 will cause Q7 to conduct current through resistors R21 R34 RS and across diode D2 into the battery This will turn on transistor Q8 and apply a forward bias to the base of transistor Q3 turning Q3 on Capacitor C46 will delay slightly the turn on and turn off time of transistor Q8 When transistor Q3 15 turned on current will flow into L1 C36 across resistor R9 and through diode D2 into the battery When approximately 1 0 ampere of current is flowing through resistor R9 a voltage large enough to turn on transistor Q5 will be developed 0 65 Vdc Resistor R20 limits the base current of Q5 When Q5 is saturated the voltage across the emitter base junction of transistor Q7 will fall below the level required for conduction and Q7 will turn off Transistors Q8 and Q3 will be turned off Current will continue to flow into the battery through diode D20 L1 R9 and D2 due to the field collapse of coil L1 Capacitor C36 will also provide a current source at this time When current flowing out of coil L1 and capacitor C36 is no longer sufficient to main
55. and Low Flow Adjustments Perform High and Low Flow Adjustments as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position 2 Pressthe NIBP ADULT NEO Control Key to select NEO this selects Low Flow 3 Connect Flow Meter to the ETCO2 Port on the Parameter Input Panel 4 13 4 Adjust RP2 for a reading of 150 ml 5 ml 5 Press the NIBP ADULT NEO Control Key to select ADULT this selects High Flow 6 Adjust RP6 for a reading of 230 ml 5 ml 7 Tum the 3150 3150M monitor Power Switch to the OFF position 8 Reassemble unit and reconnect cables as necessary d Perform 2 Verification See Section 2 412 Gating Adjustment Perform the Gating Adjustment Procedure as follows a Connect the DMM as follows 1 Connect the DMM positive lead to R10 side closest to C32 2 Connect the DMM negative lead to D9 lead towards center of board b Adjust R12 for 5 12 Vdc 0 01 Vdc c Ensure jumper 15 set between pin 1 and 2 at location JMP 1 d Perform Gating Verification See Section 2 4 14 SECTION V HE60 RADIO TRANSCEIVER PROGRAMMING INSTRUCTIONS S 0 PROGRAMMING INSTRUCTIONS 5 1 Introduction The WIT2400 Invivo P N HE60 radio transceivers can be programmed and or reprogrammed to accommodate various communications setup configurations for the Millennia 3155MVS 3155A monitors Model 3150 3150M monitors and AS163 Siemens Transceiver Modules This section provides setup information a
56. at 300BPM s Verify all Leads display Millennia 3155MVS 3155A monitor set the ECG Lead to CAL When the waveform is stabilized verify an count of 146 1 Disconnect the Patient Simulator from the monitor Parameter Input Panel ECG Lead Fail Verification Perform the following procedure to verify proper operation of the ECG Lead Fail Circuitry 1 Connect a ECG Patient Simulator to the ECG input on the 3150 3150M monitor Parameter Input Panel 2 Setthe Patient Simulator to output a 1 0 mV QRS pulse at GOBPM S NORMAL SINUS mode 3 Select ECG Lead I 4 Remove one wire at a time that pertains to the selected lead until all the Lead Wires have been tested In each case verify that within 30 seconds of removal of each wire that the LEAD FAIL message appears to the right of the selected lead at the top left of the display screen and that there is no QRS Tone or Number displayed Verify that the trace recovery time is within 30 seconds of Lead Fail Correction 5 Select each lead in order and perform substep 4 until all the leads except CAL have been verified 6 Disconnect the Patient Simulator from the monitor front panel ECG Neonate Lead Fail Verification Perform the following procedure to verify proper operation of the ECG Neonatal Lead Fail Circuitry 1 Connect a ECG Patient Simulator to the ECG input on the monitor front panel 2 Set the Patient Simulator to output a 0 3 mV QRS
57. connect the extender board to the mother board When possible attach the test equipment to the applicable test points before restoring power to the monitor 4 0 Setup Perform the following to prepare the 3150 3150M monitor for adjustment See Figure 4 1 a Ensure that the 3150 3150M monitor Power Switch is set to the OFF position b Disassemble the 3150 3150M monitor Base and remove PCB Carriage Assembly See Section 3 Disassembly Procedures c Disconnect battery cable P5 from the AB76 AB152 Power Board d Verify the rocker type Line Switch on the AS153 is initially set to the OFF O position e Connect the ASI53 AC Power Adapter to the 3150 3150M monitor by plugging the male DB 15 connector of power adapter cable assembly AC348 into the DC POWER jack on the AS153 and the remaining female DB 15 receptacle into the I O CHARGER PORT at the 3150 3150M monitor base f Ensure the Power Switch on the Variable Auto Transformer is initially set to the OFF position and adjust the rotary dial to the nominal line voltage below corresponding to the number displayed in the AS153 voltage select window Transformer Nominal AC Line Voltage AS153 Voltage Select Switch 220 VAC 220 V c 117 VAC 120 V c 100 VAC 100 V c g Plug the AS153 AC line cord into the 153 power receptacle and Variable Auto Transformer power outlet h Plug Variable Auto Transformer s AC line cord into the AC wall outlet and turn the Power Switch to the ON
58. ct the DMM from the ECG Analog Board 4 8 Adjustments There are several adjustments possible on the ABO6DJ NIBP Board After any repair service or any time monitor inaccuracy is suspected the following adjustment procedure should be performed by a Qualified Service Representative Adjust the ABO6DJ NIBP Board as follows a b Setup Perform the following setup procedure to prepare the ABO6DJ NIBP Board for adjustment 1 Tum the 3150 3150M monitor Power Switch to the OFF position 2 Disconnect the AS153 AC Power Adapter and Battery Cable P5 from the AB76 Board 3 Remove the AB06DJ NIBP Board from the Mother Board 4 Connect the AB06DJ NIBP Board to the extender board 5 Connect the extender board to the Mother Board Reference Voltage Adjustment Adjust the NIBP Reference Voltage as follows 1 Tum the 3150 3150M monitor Power Switch to the ON position 2 Connect the DMM to the ABO6DJ NIBP Board as follows a Connect the DMM positive lead to U5 Pin 1 b Connect the DMM negative lead to the anode of CR20 3 Adjustthe reference voltage potentiometer R44 for a reading of 4 995 Vdc 0 005 4 Bring up the NIBP Diagnostics Screen by pressing and holding the ALARM Control Key for approximately three 3 seconds NOTE The diagnostics mode is limited to 3 5 minutes At that time the NIBP Diagnostics and System Voltages will return to 0 5 Disconnect the input power cable red
59. dulators and three pole low pass filters for signal recovery and processing d The ramp and comparator circuits consist of a precision 10 00 Vdc reference a precision ramp generator analog sampling switches and three comparators used to detect voltage crossover levels for timing comparisons 111 Mother Board AB67M The Mother Board contains the connectors which interface the major assemblies of the monitor together In addition this board also houses the Non Invasive Blood Pressure NIBP pump circuitry NIBP Clock front overlay interface circuitry low battery shutoff reference divider and communications driver 1 11 1 Non Invasive Blood Pressure NIBP Pump Circuitry Q1 drives the NIBP Pump with the drive signal provided by the NIBP board AB06DJ The pump signal varies according to whether the monitor is set in the Adult or Neonatal NIBP mode In the Adult mode the pump drive signal 1 5 is a DC voltage whereas in the Neonatal mode the signal is pulse width modulated Q2 provides a current limit for the pump drive 1 11 2 Clock supplied the 4 MHz for the AB06DJ and U6 divides it by 2 to supply the 2MHz Clock 1 11 3 Front Overlay Interface Circuitry The combination of pull up resistors R7 R8 R9 and R10A through diodes D9 D10 D11 Z1 Z2 and Z3 and front overlay make up the matrix that interface the membrane switches to the master processor 1 12 Signal Processor Board 47 Signal Processorrec
60. e Pl numerics indicate 240 2 12 Set the Pressure Simulator to output 250 13 Verify that the Pl numerics indicate 250 alternated with the OVR message j IfP2 is installed Repeat substeps a through 1 2 3 6 Gating Verification Perform the following procedure to verify proper operation of the Gating Circuitry a Setup the Oscilloscope as follows Vertical mode CHI e Vertical Sensitivity 0 1 V DIV Coupling DC e Trigger Normal Negative Slope e Trigger Source CHI e Time Base 5msec Scope Probe 10X b Connect ECG Patient Simulator to the ECG Port on the 3150 3150M monitor Parameter Input Panel c Set the Patient Simulator for 120 BPM d On the Millennia 3155MVS 3155A monitor select HR SOURCE to QRS e Connect the Oscilloscope as follows 1 Connect Probe to Pin 1 on the Gating connector 2 Connect Probe Ground to Pin 6 on the Gating connector f On the Oscilloscope verify that the amplitude is greater than 3 3 V and less than 5 0 With a negative pulse of 13 msec 3msec 3150 monitor 10 msec 1msec 3150M monitor g Connect an SpO2 Probe to the SpO2 Port on the 3150 3150M monitor Parameter Input Panel h On the Millennia 3155MVS 3155A monitor select HR SOURCE to SPO2 i Place finger into the SpO2 probe j On the Oscilloscope verify that the amplitude is greater than 3 3 V and less than 5 0 Vp With a negative pulse of 13 msec 3msec 3150 monitor or 10 msec Imsec 3150M
61. e Variable Auto Transformer voltage setting to 133 VAC 1 0 VAC for 120V models 243 VAC 1 0 VAC for 220V models or 110 VAC 1 0 VAC for 100V models 2 Verify that ALL the Parameters are ON 3 Verify proper operation 4 Return the Variable Auto Transformer to the applicable nominal line voltage setting Battery Charge Discharge Verification Perform Batter Charge Discharge Verification as follows See Figure 4 2 1 Verify 13 20 Vdc at on AB76 2 Verify Line Switch on AS153 and Power Switch on the 3150 3150M monitor are in the OFF positions 3 Connect TF088 in series with a DC Current Meter set for a Range of not less than 10A to 3150 3150M monitor AB76 P5 4 With DMM Ground Lead connected to the chassis of the 3150 3150M monitor and the positive lead connected to the negative side of the current meter 5 Turn the AS153 Line Switch to the ON 1 position 6 Verify unit charges to about 13 0 Vdc with high charge rate of 1 33A 20 7 Verify unit switches to low charge of 40mA to 120mA once the batteries have been charged to 13 0 Vdc 8 Tum the 5153 Line Switch to the OFF O position 9 Disconnect the AS153 AC Power Adapter from the 3150 3150M monitor by unplugging the AC348 cable from the monitor base 10 Tum the Power Switch on the 3150 3150M monitor to the ON position 11 Verify unit powers up and current meter reads 2 3 A 250 mA 12 Tum the Power Switch on the 3150 3150M monitor
62. eives analog signals from the ECG 2 Invasive Pressure and SpO2 boards via the Input Output ports and converts the analog signals to a digital format for analysis at the Master Processor and display The Signal Processor also sends commands to the parameter boards through these Input Output ports 1 13 Master Processor AB119 The Master Processor board contains the microprocessor supporting Random Access Memory RAM Read Only Memory Input Output circuitry and audio tone and alarm circuitry 1 13 1 Microprocessor The Master Processor utilities a 64180 microprocessor at location U7 and related circuitry for the processing of patient data for analysis and display 1 13 2 Random Access Memory RAM 15 18 and U19 contain Random Access Memory RAM for use by the microprocessor when executing instructions 1 13 3 Read Only Memory ROM U18 and 919 contain Erasable Programmable ROM EPROM which contain the operating instructions to be used by the processor for monitor operations 1 13 4 Input Output Circuitry Input Output circuitry at locations U20 through U22 interface the Master Processor to the parameter boards Signal Processor and other peripheral devices 1 13 5 Audible Tones and Alarms The combination of U8 U16 and U 32 provide the audible tones and alarms 1 14 Non Invasive Blood Pressure NIBP Board AB06DJ NIBP board contains the circuitry for obtaining Adult and Neonatal non invasive blood pre
63. ent Mode in the top right corner of the Display Screen corresponds to the setting indicated by the lit LED Press the NIBP ADULT NEO Control Key Verify that the original LED 1s lit and that the top right corner of the Display Screen changes to indicate the new selection NIBP CYCLE Control Key Perform the following procedure to verify proper operation of the NIBP CYCLE Control Key 1 2 3 Press the CYCLE Control Key Verify that the NIBP Automatic Reading Time Interval changes Press the NIBP CYCLE Control Key until the monitor has cycled through all the available settings MANUAL CYC 1 CYC 2 3 5 10 CYC 15 20 30 45 and 60 NIBP START STOP Control Key Perform the following procedure to verify proper operation of the START STOP Control Key 1 2 3 4 Press the START STOP Control Key Verify that the NIBP Pump turns on as the system initiates a reading cycle Press the START STOP Control Key Verify that the NIBP Pump turns off as the system aborts the active reading cycle 2 3 Patient Parameter Verification Perform the following procedure to verify properoperation of all installed patient parameters 2 3 1 Verification Perform the following procedure to verify proper operation of the system a Connect a ECG Patient Simulator to the ECG input on the 3150 3150M monitor Parameter Input Panel Select HR SOURCE to ECG on
64. equired SERIAL INTERFACE COMMANDS as follows 3150 Series 3155 Series AS163 Command BASE REMOTE REMOTE DESCRIPTION 0 0 0 sy Set 0 Asynchronous 1 Synchronous sd see note 014 083 083 Set Data Rate 083 9600 bps 014 57600 sp 1 0 0 Set Packet Mode 0 point to point 1 multipt NOTE After a radio s communication data rate has been changed Set Data Rate code sd above the radio will then expect all further communication to proceed at the new data rate Therefore the programmer must alter the BaudRate value in WinCom24 to correspond with the new rate programmed into the radio Remote 083 9600bps Base 014 57600bps When and ONLY when the data rate programmed into the radio transceiver has been changed change the BaudRate value in WinCom24 to match the new data rate just programmed into the radio transceiver do NOT disconnect the test fixture from the pc or HE60 transceiver Type the query sd lt Enter gt and verify that the screen echoes the new data rate programmed into the radio transceiver on the next line on the screen e Enter all required PROTOCOL COMMANDS as follows 3150Series 3155 Series AS163 Command BASE REMOTE REMOTE DESCRIPTION 3 ph 33 33 33 Set Hop Duration 33 6 712 msec pk 01 01 01 Set Minimum Packet Length pl 24 24 24 Set Maximum Packet Length pt 03 03 03 Set Packet Timeout Duration pm 40 40 40 Set Link Margin pr 10 10 10 Set ARQ Attempt Limit 02
65. erial number of 116 or above serial numbers are approximate substep a is for monitors where the column bolts in and substep b is for monitors where the column is held in place by two screws up from the base bottom a Perform the following procedure to access the internal Printed Circuit Boards and Batteries 1 Remove power from the 3150 3150M monitor by disconnecting it from the 153 AC Power Adapter 2 Remove the 53 screws from the base covers 3 Slide the front cover forward and the back cover to the rear 4 Remove the front and back covers b Perform the following procedure to access the internal Printed Circuit Boards and Batteries 1 Remove power from the 3150 3150M monitor by disconnecting it from the AC153 Q 3 4 5 6 7 8 AC Power Adapter Carefully place monitor on its side Remove the two 2 screws that secure the column assembly from the base bottom Return monitor to its upright position Lift the column assembly from the base Remove the EtCO2 Zero Filter Remove the 26 screws from the base cover Remove the base cover 3 1 1 5145 Electronics Assembly Card Cage Removal See Figure 3 1 Perform following procedure to remove the AS145 Electronics Assembly Card Cage from the monitor base a Perform Paragraph 3 1 b Disconnect Battery Power cable from AB76 AB152 P5 Power Supply Board c Loosen the six 6 retaining screws on the AS145 Electronics Assembly Card C
66. es the digitized Adult oscillometric signal from the A to D converter for making blood pressure determinations 1 14 7 Neonatal Mode When the front panel indicator shows Neonatal the pump drive signal is pulse width modulated and the gain and filtering of the oscillometric signal amplifiers are set accordingly The processor uses the digitized Neonatal oscillometric signal from the A to D converter for making the blood pressure determination 1 14 8 Over Pressure Switch The over pressure switch is located on the side ofthe Pneumatics Box 45 It is a mechanical switch that is set to interrupt the function when pressure in the pneumatic section exceed 270 mmHg 1 15 End Tidal CO2 ETCO2 Option The End Tidal CO2 2 option is divided among two assemblies The 2 electronics is contained on the circuit board assembly part number 115 The ETCO2 pneumatic hardware pump valve 1 valve 2 and valve 3 are contained in the pneumatic box part number 45 1 15 1 Normal Operation In the normal operating mode drawing a sample from the patient sample port valve 1 V1 valve 2 V2 and valve 3 V3 are in the normally open NO position See Figure 1 1 The sample moves from the patient sample port through V1 and into the gas analyzer HP91 The gas analyzer uses infrared analysis to provide analog signals that correspond to the amount of CO2 and N2O present in the sample Analog signals representing CO2 and N2O alon
67. et Timeout Duration Set Link Margin Set ARQ Attempt Limit Set ARQ Per Hop Limit Set CSMA Backoff Constant Set CSMA Persistence Set TDMA Time Slot Enable Peer Addressing 0 disable 1 enable Enable Redundant Transmit 0 disable 1 enable Enable Limited ETSI Channel Set O disable 1 enable Antema Diversity O disable 1 enable When programming radios for France pe must be set to 1 for a limited radio frequency range of from 2448 to 2480 f Enter all required STATUS COMMANDS as follows 3155 Series 3150 Series Command BASE REMOTE DESCRIPTION 1 1 zb Banner Display 0 disable 1 enable zc 1 1 Escape Sequence O disable 1 enable zp 0 0 Power Save Mode O disable 1 enable When all parameter data is entered into the HE60 radio transceiver s memory type gt lt Enter gt to save the encoded parameters Exit the programming mode by typing z gt lt gt Unplug the 9 Vdc batteries from both pigtailed battery cables red and black wires Unplug the test fixture from the pc and HE60 transceiver Store test fixture with batteries for future use 5 5 HE60 Programming for 3155 AS163 Communications Perform the following steps to program the 3150 series monitor for radio communications with a remote 3155 series monitor and a remote Siemens AS163 transceiver module NOTE Confirm that proms AM67A and AM67B are installed in sockets U19 and U18 of the 119 Master Processor board respectivel
68. f AB119A Master Processor board respectively before performing the following procedure This can be verified without disassembling the unit by pressing and holding the ALARM SILENCE control key on the Model 3150 monitor for approximately 3 seconds and noting that the value displayed for the master processor begins with a prefix of MD i e MASTER MDXX a Enter radio parameter data into the AB182B transceiver s memory by performing the following steps Each radio parameter is entered by typing a two letter code and then the applicable value associated with that code For example the two letter code to set the radio s address or ID code 15 ws To specify a radio address value of 30 the programmer should then type ws30 lt Enter gt When the programmer types a radio parameter and presses Enter the radio will automatically echo the value just entered on the next line on the computer screen To continue the above example if the programmer types ws30 lt Enter gt the next line on the screen will display the following text 30 c Enter all required VETWORK COMMANDS as follows 3155A or 3155MVS Set to 3150 Series Remote 1 3155MVS Command BASE REMOTE REMOTE wb 1 0 0 wd 30 0A 0C wg 0 0 0 wl 1 1 1 wn e AE M wp 1 1 1 WI E E wu 0 0 0 dx 0 0 0 DESCRIPTION Set Base 1 Remote 0 Set Destination Address never use ff Global Network Mode Lockout Key Set Network Number 0 thru f 0 CS
69. from ETCO2 and pulse signal The HR source signal is software selectable through the HR source selection in the ECG menu of the Model 3155 5 3155 The TTL pulses have an amplitude between 3 3 and 5 0 V and a duration of 13 3 ms 1 10 Oximeter Board AB22 The AB22 Board contains the Oximeter Processor Circuitry This board contains the hardware necessary to control the Oximeter System Operation it performs the Timing and Measurement Operations using Counter Timers 82C53 under the control of the microprocessor provides for Data Memory Storage with data provided by a 32K by 8 bit ROM and an 8K by 8 bit static RAM and interfaces with the Signal Processor and Master Processor Ports 1 10 1 Isolation Section The Oximeter Analog Section provides patient input parameter measurement and patient isolation The isolated section consists of four functional circuit elements timing and control LED drive the receiver amplifier and ramp comparator circuits a The timing and control circuits perform system timing functions that maintain synchronicaction between the LED drive signal comparator and demodulatorcircuits b The LED drive section contains two drive level integrators a drive signal multiplexer and a differential drive amplifier to control the intensity of the red and IR LED s contained in the particular SpO2 sensor The receiver amplifier consists of a two stage high gain bandpass receiver amplifier followed by a pair of demo
70. g with a reference signal are multiplexed digitized and sent to the processor for manipulation processing and display From the gas analyzer the sample passes to the absolute pressure and PUMP 42 ZERO PORT J OUT RT NC COM WASTE GAS VALVE 1 EXHAUST NO NO PATIENT NC NO VALVE 3 SAMPLE lt COM OU VALVE 2 111 PRESSURE 111 TRANSDUCER U7 DIFFERENTIAL PRESSURE TRANSDUCER U6 Figure 1 1 ETCO2 Flow Diagram Normal Operation 1 7 differential pressure sensors The absolute pressure circuit contains the sensor U7 a differential amplifier U3 and operational amplifier U4B and provides a signal that represents the pressure ofthe sample The differential pressure circuit is comprised ofthe differential pressure sensor U6 and operational amplifiers U2 and U4A The differential pressure transducer signal represents the flow rate through the system The absolute and differential signals are multiplexed digitized and sent to the processor for manipulation and processing The sample when moves through V2 through the pump through V3 and out the waste gas exhaust port The processor controls the pump On Off and Adult Neo and pump speed through U14 Input Output Interface Q1 Q2 U1 and U5 1 15 2 ETCO2 Zero At various times during operation the system must be zeroed to the atmosphere in order to eliminate drift in tolerance See Figure 1 2 During the zeroing process the processor sends a signal to Q3
71. ies A battery protection circuit consisting of U2 and associated components and Q12 is used to prevent deep discharge of the batteries If the battery output voltage DC PRESENT drops below 10 Vdc U2 1 will go high turning off Q12 In this state the load on the batteries is reduced to less than ImA 1 4 to avoid a deep discharge condition Then if external power of 15 Vdc or greater is applied U2 1 will go low enabling Q12 to pass main power 1 9 MRI Gating Analog AB116 Option Printed circuit board assembly part number 116 provides both analog signals as well as TTL pulses to the MRI gating output connector on the base of the Model 3150 3150M See Volume II AC356 for pin description The circuit composed of US Digital to Analog Converter U6 and U8 provide analog signal outputs These analog signals include both low and high amplitude ECG signals high level invasive pressure P1 signal high level respiration from ETCO2 signal and low and high amplitude pulse signals The low and high amplitude pulse signals are selected by the position of JMP1 When the jumper is set between pins 1 and 2 the high level signal is output and likewise when set between pins 2 and 3 the low level signal is output U7A and its related components provide the reference voltage to U5 DAC The network of U1 U2 and U3 provides TTL outputs corresponding to the peaks of the heart rate HR source signal invasive pressure 1 Pl respiration
72. k on the HE60 or 182 transceiver d Attacha fully charged 9 Vdc batteryto the separately supplied pigtailed battery cable red and black wires but do not plug the other end of the battery cable into the mating transceiver jack NOTE The HE61 RF antenna should be disconnected from the HE60 or 182 transceiver while performing the radio programming procedures in this section e Initialize the WinCom24 application software in Windows 5 1 Verify or select the following setup parameters e BaudRate 9600 bps if new radio 9600 19200 or 57600 for reprogram ComPort Set to match spare COM port attached to test fixture in step a above Plug the free end ofthe separate pigtailed battery cable into the mating jack on the HE60 or 182 transceiver with 9 Vdc battery attached The following message is displayed on the screen WIT2400 v3 40 Digital Wireless O 1996 Base or Remote NOTE If the HE60 radio transceiver was originally programmed as a base transceiver Base will be displayed in the above step Similarly Remote will appear if the transceiver was preprogrammed at the factory as a remote unit 1 Type wit2400 A data entry prompt gt is displayed on the screen to indicate the HE60 transceiver has entered the programming mode Proceed to paragraph 5 4 5 5 or 5 6 depending on how it is desired to program the HE60 radio transceivers for your system 54
73. months Operational checks should be done with each use A defective product should not be used Parts that are broken missing plainly worn distorted or contaminated should be replaced immediately Should such repair or replacement become necessary Invivo Research Incorporated recommends that a telephone call or written request for service be made to the nearest factory service center This product or any of its parts should not be repaired other than in accordance with written instructions provided by IRI or altered without the prior written approval of IRI The user ofthe product shall have the sole responsibility for any malfunction which results from improper use faulty maintenance improper repair damage or alteration by anyone other than IRI authorized service personnel There are no user maintenance requirements All maintenance requirements are to be done by qualified Service Personnel only viii SECTION I THEORY OF OPERATION 10 THEORY OF OPERATION 1 1 ECG ISO Board AB86 40 KHZ reference signal supplied by the ECG Analog board is fed through T1 then rectified and filtered in the ISO power metal box for the and 12V ISO supplies lead surge protection is provided by surge arresters LP 1 5 Additional protection and signal conditioning is provided by U2 U3 and associated circuitry Lead selection is provided by U14 U15 U16 U4 U5 U7 and 8 RL drive is selected by U1 and associated circuitry U
74. nd specific instructions to program the radio transceivers for operation in the various system configurations The WIT2410 Invivo P N AB182B radio transceivers are new radios required with dual 3155 communications setup configurations and on 3155MVS or 3155A monitors communicating with 3150 or 3150M communications setup configurations but cannot be used in communications setup configurations for the Millennia 3155MVS 3155A monitors Model 3150 3150M monitors and AS163 Siemens Transceiver Modules 5 2 Required Test Equipment The following test equipment is required to program the HE60 or AB182B radio transceivers installed in the 3150 3150M monitors TF0078 Test Fixture Two 9 Vdc batteries WIT2400 Invivo P N HE60 or WIT2410 Invivo P N AB182B radio transceiver IBM compatible pc with Windows 95 98 2000 installed Cirronet WinCom24 Version 1 1 communications software application installed in default wincom24 folder on pc 5 3 Setup Perform the following steps to prepare the 3150 3150M monitor HE60 or AB182B radio transceivers for receiving programming instructions a Plug the test fixture s DB25 connector into an unused pc serial COM port use a DB25 pin to DB9 pin adapter if required b Attach a fully charged 9 Vdc battery to the pigtailed battery cable red and black wires located on the pc side of the test fixture s DB25 cable c Plug the 13 pin side of the test fixture s DB25 cable into the mating jac
75. ntrol Key 1 Establish communication with the Remote Monitor 2 Press the PRESSURE P1 ZERO ON Control Key 3 Verify that P1 turns OFF 4 Press the PRESSURE P1 ZERO ON Control Key 5 Verify that P1 turns ON PRESSURE P2 ZERO ON Control Key Item 6 Perform the following procedure to verify proper operation of the PRESSURE P2 ZERO ON Control Key 1 Establish communication with the Remote Monitor 2 Press the PRESSURE P2 ZERO ON Control Key 3 Verify that P2 turns OFF 4 Press the PRESSURE P2 ZERO ON Control Key 5 Verify that P2 turns ON 2 2 4 ALARM Control Key Verification Item 1 Perform the following procedure to verify proper operation of the ALARM Control Key a b C d Establish communication with the Remote Monitor Create an alarm violation on the Remote Monitor Once the 3150 3150M monitor begins to alarm press the ALARM Control Key Verify that the Alarm Tone stops sounding 2 2 5 NIBP Control Keys Verification Perform the following procedure to verify proper operation of the NIBP Control Keys 2 3 a b ADULT NEO Control Key Perform the following procedure to verify proper operation of the NIBP ADULT NEO Control Key 1 2 3 4 5 6 Observe which LED is lit above the ADULT NEO Control Key Press the NIBP ADULT NEO Control Key Verify that the LED which was previously lit goes out and the other LED lights up Verify that the Pati
76. onditioning before passing through ISO Barrier U6 and U10 The output gain and DC zero offset are controlled by U3 and associated circuitry Later versions this board include a slew rate filter circuit The slew filter extracts pressure signals in the presence of large MR gradient pulses This function is provided by U4 U12 U13 and U14 DC shift caused by this interference is neutralized by R69 Channel 1 and R45 Channel 2 1 4 Invasive Pressure Non ISO Board 90 and P2 signals are received from the Invasive pressure ISO board 89 and filtered by U4 U5 and associated circuitry U7 U10 provide 8 bit D A conversion along with Ull VO parallel programmable CMOS A 40 KHZ crystal is amplified and used for ISO power reference T1 5 1 1 15 Interconnect Board AB75 The AB75 provides interconnections for the LCD Module Display backlight Alarm speaker ON OFF switch and keypad It also houses the Adult Neo Alarm drivers and LEDs 1 6 Pneumatics Box AP45A The AP45A Pneumatics Box houses the NIBP pump Humphrey valve NIBP overpressure valve EtCO2 pump and pneumatic valves It also houses the LCD display backlight inverter which converts 5 Vdc to approximately 900 VAC for the LCD backlight supply voltage 1 7 Power Supply Board AB76 Configuration In AB76 configuration power is supplied to this monitor s operational circuits by the AB76 Power supply board The 5 Vdc supply is regulated by a DC to DC converter U6
77. ows a Connect the positive lead to AB86 b Connect the negative Lead to AB86 TP10 ISOGND2 Adjust AB87 R15 for the maximum positive voltage on DMM Verify voltage is greater than 10 50 Vdc Disconnect the DMM ECG Drive Adjustments Perform ECG Drive Adjustments as follows 1 2 3 4 5 6 Connect the DMM as follows a Connect the positive lead to AB86 b Connect the negative Lead to AB86 TP2 Adjust AB86 R90 for 3 06 Vdc 0 06 Vdc Disconnect the DMM Connect the DMM as follows a Connect the positive lead to AB86 TPS b Connect the negative lead to AB86 TP6 Adjust AB86 R100 for 3 06 Vdc 0 06 Vdc Disconnect the DMM ECG Offset Adjustments Perform ECG Offset Adjustments as follows 1 2 3 4 5 6 Connect the DMM as follows a Connect the positive lead to AB86 TP3 b Connect the negative lead to AB86 TP7 Adjust AB86 R91 for 0 00Vdc 0 01 Vdc Disconnect the DMM positive lead from AB86 TP3 Connect the DMM positive lead to AB86 TP4 Adjust AB86 R101 for 0 00 Vdc 0 01 Vdc Disconnect the DMM ECG Recorder Gain Adjustment Perform ECG Recorder Gain Adjustment as follows 1 2 3 Press the RECORD Control Key on the Millennia 3155MVS 3155A monitor Front Panel Key Pad Adjust 3150 3150M monitor AB87 AB87A AB87M R109 for a 10 mm 2 division deflection on the recorder strip Verify an ECG rate of
78. position i Turn the AS153 Line Switch to the ON 1 position j Turn the 3150 3150M monitor Power Switch to the ON position and allow 15 minutes for warmup 3150 3150M Variable Auto AS153 Power Monitor AC Wall Outlet Transformer Adapter Line Cord Power Outlet Power Receptacle Figure 4 1 Power Supply Test Setup 4 3 Power Supply Calibration AB76 Power Board Only Perform the following procedure to verify proper operation of the monitor power supply a b Battery Charger Reference Voltage Adjustment Adjust the Battery Charger Reference Voltage as follows 1 Connect the DMM to the AB76 Power Board as follows a Connect the positive lead to the positive side of located between R29 and R45 b Connect the negative lead to P2 Pin 9 or 10 Ground 2 Adjust 76 R6 for a reading of 13 20 Vdc 0 05 Vdc 3 Disconnect the positive lead of the DMM from 4 Using DMM verify the following voltage points on the AB76 Power Board a P2 Pins 1 and 2 413 20 Vdc 0 25 Vdc b P2 Pins 3 and 4 12 00 Vdc 0 25 Vdc c P2 Pins 5 and 6 5 05 Vdc 0 05 Vdc d 113 10 00Vdc 0 25 Vdc 129 18 00 22 5 Vdc 5 Turn the 3150 3150M monitor Power Switch to the OFF position 6 Tum the 5153 Line Switch to the OFF O position 7 Disconnect AS153 AC Power Adapter from the 3150 3150M monitor by unplugging the AC348 cable from the monitor base Low Battery Shut
79. resis about the comparator threshold This results in circuit stability when batteryundervoltage crossover point 15 present The output ofthe battery undervoltage comparator is low less than 1 5 Vdc under normal battery conditions and does not affect the operation of the second over voltage comparator When an undervoltage battery condition is detected the comparator output will be high and will be applied through D27 to U1 6 where it will override the high impedance battery input and result in the battery charger being turned off The present battery voltage 15 also applied through R35 to U1 6 as a high impedance input C44 filters this voltage for stability during comparator crossover conditions The adjustable battery reference voltage is applied to the other side of the high battery voltage comparator at U1 5 through R44 The output of the high battery voltage comparator occurs at U1 7 andis applied to the battery charger switching circuit Resistor R42 provides approximately 30mV dc of negative hysteresis for stability as the battery approaches a fully charged condition The output of the high battery voltage comparator at U1 7 will be high when the battery terminal voltage is between 5 2 and the battery reference voltage as set at the output of VR3 normally 14 84 Vde Capacitor C43 is a filter at the positive power terminal of U1 Diode D28 clamps the input 1 2 at U3 6 to a value no greater than V 0 7 Vdc to provide a low imped
80. rightness Turn the 3150 3150M monitor Power Switch to the OFF position Remove the Display Assembly from the column Turn the 3150 3150M monitor Power Switch to the ON position Adjust AB98B RV located at the bottom center of the AB98B LCD Module for the clearest sharpest display when viewed from all angles Turn the 3150 3150M monitor Power Switch to the OFF position Reassemble the Display Assembly in the column 4 6 Speaker Volume Adjustment Model 3150M Monitor Only Adjust the speaker pulse tone volume on the Magnitude 3150M monitor as follows a b C d Verify the sound volume is audible and free of distortion Press the ALARM control key to silence the alarm Verify the alarm light goes off Press and hold the ALARM control key until the software revision menu appears on the LCD display Adjust pulse tone volume up or down by pressing the ECG SIZE or ECG LEAD control keys respectively 4 7 Signal Processor Reference Voltage Adjustment Adjust the Signal Processor Reference Voltage as follows a b Connect the DMM to AB87 AB87A AB87M ECG Analog Board as follows 1 Connect the positive lead to the 5 12V Test Point located above P1 2 Connect the negative lead to TP1 Ground Turn the 3150 3150M monitor Power Switch to the ON position 4 6 Adjust AB47 AB47A AB47M R16 to 5 124 Vdc 0 005 Vdc This adjustment is accessible from the side of the card cage d Disconne
81. rossover conditions The adjustable battery reference voltage 15 applied to the other side of the high battery voltage comparator at U1 5 through R44 The output ofthe high battery voltage comparator occurs at U1 7 and is applied to the battery charger switching circuit Resistor R42 provides approximately 2 2 Vdc of negative hysteresis for stability as the battery approaches a fully charged condition The output of the high battery voltage comparator at U1 7 will be high when the battery terminal voltage is between 5 2 and the battery reference voltage as set at the output of VR3 normally 14 5 Vdc Capacitor C43 is a filter at the positive power terminal of U1 Diode D28 clamps the input at U1 6 to a value no greater than V 0 7 to provide a low impedance discharge path for C44 during input power down condition When the output of the battery comparator is high the battery charger switching circuit will be turned on A voltage of less than 17 0 Vdc will be present at the emitter of transistor Q6 and not enough current can flow through resistors R4 R32 and across diode D25 to cause transistor Q6 to saturate The voltage at the base of transistor Q7 will cause Q7 to conduct current through resistors R21 R34 and R8 into the battery This will turn on transistor Q8 and apply a forward bias to the base of transistor Q3 turning Q3 on Capacitor C46 will delay slightly the turn on and turn off time of transistor Q8 When transistor is
82. rrent Meter set for a Range of not less than 10A to 3150 3150M monitor 152 P5 4 With DMM Ground Lead connected to the chassis ofthe 3150 3150M monitor and the positive lead connected to the negative side of the current meter 5 Turn the AS153 Line Switch to the ON 1 position 6 Verify unit charges to within a range of 13 0 Vdc to 14 5 Vdc with high charge rate of 1 33A 20 7 Verify unit switches to low charge of 20mA to 100mA once the batteries have been charged to 14 5 Vdc 8 Tum the 5153 Line Switch to the OFF O position 9 Disconnect the AS153 AC Power Adapter from the 3150 3150M monitor by unplugging the AC348 cable from the monitor base 10 Tum the Power Switch on the 3150 3150M monitor to the ON position 11 Verify unit powers up and current meter reads 2 3 250 mA 12 Repeat steps 5 through 11 above for the remaining battery cables 4 5 NOTE The batteries may need to be slightly discharged before each test 13 Tum the Power Switch on the 3150 3150M monitor to the OFF position 14 Disconnect TF082 and DMM leads from the unit 15 Reconnect the Battery Cable to AB152 P5 16 Reassemble the unit as required 4 5 LCD Module Intensity Adjustment Adjust the intensity of the LCD display as follows g h Turn the 3150 3150M monitor Power Switch to the ON position With an insulated flat head tuning tool adjust AB75 R4 accessible through the rear display panel for display b
83. ssure The board receives an input signal from the pressure transducer which contains the oscillometric signal This signal is amplified and filtered and used to determine the NIBP readings In addition the board provides outputs to control the NIBP pump and valve assemblies 1 14 1 Microprocessor The NIBP board utilizes 280 4MHZ processor location U14 that communicates directly to the Master Processor through the Input Output ports at locations U10 and U12 1 14 2 Analog Digital Converter U9 is a six channel to D converter with inputs from the over pressure switch fail safe timer 5 12 reference voltage Adult oscillometric signal Neonatal oscillometric signal and pressure signal 1 14 3 Programmable EPROM U12 contains the operating instruction and algorithm for NIBP operation 1 14 4 Pump and Valve Control The pump and valve drive signals are developed at the microprocessor and output through Input Output ports at location U12 1 6 1 14 5 Transducer The transducer is pneumatically attached to the to the sense port at the monitors column assembly The pneumatic pressure along with the oscillometric signal is converted to analog signals and routed directly to the NIBP board where it is amplified and filtered for analysis 1 14 6 Adult Mode When the front panel indicator shows Adult the pump will run at a higher speed and the gain and filtering of the oscillometric signal amplifiers are set accordingly The processor us
84. t 0 5 Hz 0 1 Hz Retum the Signal Generator to 2 5 Hz On the Oscilloscope verify a 2 2V 0 44 V waveform Increase the frequency of the Signal Generator until the amplitude as observed on the Oscilloscope is exactly Y of what it was at 2 5 Hz Verify that the frequency is at 8 Hz 1 Hz Turn the 3150 3150M monitor Power Switch to the OFF position Disconnect the Signal Generator Disconnect the 49 9 resistor Reconnect the AB06DJ Transducer Input Cable red green and black wires to the Transducer Column Input Cable observing proper connection by matching wire colors 4 8 CAUTION Improper connection will result in severe damage to the NIBP Transducer Board e Transducer Noise Verification Perform Transducer Noise Verification as follows 1 2 3 4 5 Connect the X10 Oscilloscope Probe to TP NEO on the AB06DJ Board using the anode of CR20 as Ground These test points are both accessible through the side of the card cage Set the Oscilloscope Channel 1 to 50mV Div AC Coupled Time Base to 0 5 sec Div and Trigger to Auto Mode Turn the 3150 3150M monitor Power Switch to the ON position Verify the Low Frequency popcorn Transducer Noise is less than 150mV Disconnect the Oscilloscope from the AB06DJ Board NOTE The Fail Safe Timeout Verification Test requires the use of a stopwatch f FailSafe Timeout Verification Perform Fail Safe Timeout Verification as follows 1
85. t Output Circuitry l sare p Ed ROUES EA CERO RE des 1 6 1 13 5 Audible Tones and Alarms 1 6 1 14 Non Invasive Blood Pressure NIBP Board ABO6DJ 1 6 1 14 1 MICEOproc eSSor aussen ne ie Ras toc RG T ad 1 6 1 14 2 Analog to Digital Converter au reae di P P RR EH RO red 1 6 1 14 3 Programmable EPROM 1 6 1 14 4 Pump and Valve Control 1 6 1 14 5 Transd cer ua eee 4 1 7 1 146 Aduli Mode d d uote e ad ee 1 7 1 14 7 Neonatal Mode 1 7 1 14 8 Over Pressure Switch 1 7 1 15 End Tidal CO2 ETCO2 Option 1 7 1 15 1 Normal Operation 1 7 L32 EICO 1 8 1 15 3 ETCO2 Occlusion 1 8 2 0 CALIBRATION AND VERIFICATION 2 l 2 0 1 Required Test Equipment 2 1 203 2 Test Equipment 255545558 c UECXSR ens e EAR UK CASA UE 2 l 203 GATING Test Equipment 2 1 2 1 Turmime The Mo itor 35555563565 Cp a ERED papua 3c es 2 1 TABLE OF CONTENTS Paragraph Number Page Number 2 2
86. tain a voltage saturating the emitter base junction of transistor Q5 transistor Q7 will turn on and the cycle will repeat The cycle frequency is determined by the LC time constant of L1 and C36 and is approximately 8 4 KHz When the battery is sufficiently charged the voltage to the battery comparators becomes positive enough to allow the output to switch low at U1 7 Enough current then flows through R4 R33 and diode D25 to turn on transistor Q6 and transistor Q7 is held in the cutoff condition until further charging is required 1 8 Power Supply Board AB152 Configuration In the 152 configuration power 15 supplied to this monitor s operational circuits by the 152 Power supply board The 5 Vdc supply is regulated by a DC to DC converter U6 and its related circuitry The 12 Vdc supply is regulated by U5 When in battery operation turns on switching regulator U7 to boost the voltage maintaining sufficient U5 input regulator voltage The 12 Vdc supply is regulated by DC to DC converter U4 and its related circuitry The 10 Vdc supply is regulated U3 using the 12 Vdc supply as reference 1 8 1 Battery Charger The battery charger is comprised of U1 Q3 06 Q7 Q8 and associated components Components R39 R7 029 D35 D30 and C41 form an adjustable voltage reference which is adjusted by R6 to the maximum battery charge voltage The diodes D29 D35 D30 are located in the reference leg of VR3 to
87. terials and ensure total dryness before powering the monitor Use care that cleaning fluids do not attack plastic or painted surfaces Use care that wiping rags do not abrade the surfaces Assembly hardware has been secured with a thread locking agent After several assembly disassembly cycles new locking agent will be required Use Loctite 42540 or similar type for use near PVC or acrylic plastics In general handle all Printed Circuit Boards by their edges Oils sweat dirt etc can induce leakage paths in high impedance circuits which impede their operation Such contamination will also promote corrosion of circuits yielding a long term reliability problem Avoid rough handling of all exposed chassis parts and front panel overlay These parts can be scratched causing obtrusive cosmetic defects This system is intended for use in the Magnetic Resonance Imaging MRI areas Use only non ferrous or non magnetic replacement parts in the monitor MRI SERVICE PRECAUTIONS NOTE In addition to these precautions cautions and warnings are located in paragraphs 4 0 Page 4 1 and 4 8 Page 4 9 CAUTION Federal law in the USA and Canada restricts this device to sale by or on the order of a licensed medical practitioner This monitor is not intended for use in the presence of FLAMMABLE ANESTHETICS An explosion hazard exists Never immerse the monitor in any fluid or attempt to clean it with liquid cleaning agents An electrical
88. the Parameter Input Panel of the 3150 3150M monitor 2 Setthe Pressure Simulator to 0 mmHg 3 Connect the DMM as follows a Connect the positive lead to AB89 TP6 b Connect the negative lead to AB89 TP7 4 Adjust AB89 R36 for 3 06 Vdc 0 06 Vdc 5 Disconnect the DMM 6 Connect the DMM as follows a Connect the positive lead to AB89 b Connect the negative Lead to the chassis Ground 7 Adjust AB89 R37 for 0 000 Vdc 0 050 Vdc 8 Disconnect the DMM 9 Press the PRESSURE P1 ZERO ON Control Key 10 Verify the following a The message P CAL DONE is displayed on the Display Screen b The Pl numeric display indicates O mmHg 1 mmHg 11 Set Pressure Simulator to 240 mmHg 1 mmHg 12 Adjust AB89 R27 for a Pl numeric display indication of 240 mmHg 1 mmHg 13 Set Pressure Simulator to 0 mmHg 14 Verify a P1 numeric display indication of 0 mmHg 1 mmHg 15 Repeat adjustments as required 16 Disconnect Pressure Simulator P2 Reference Zero and Gain Adjustments Perform P2 Reference Zero and Gain Adjustments as follows 1 Connect the output of a Fogg BP 600 or equivalent Pressure Simulator to the P2 input on the Parameter Input Panel of the 3150 3150M monitor 2 Setthe Pressure Simulator to 0 mmHg 3 Connect the DMM as follows a Connect the positive lead to AB89 TP8 b Connect the negative lead to AB89 9 4 Adjust AB89 R50 for 3 06 Vdc 0 06 Vdc 5 Disconnect
89. the remote monitor Setup the 3150 3150M monitor as follows 1 2 3 Set the ECG Size to 10 Set the ECG Lead to II Select Adult Mode Set the Patient Simulator to output a 2 mV QRS pulse at 60 5 Verify the following on both the 3150 3150M monitor and the remote monitor 1 2 3 4 Trace shows waveform train of moving QRS pulses without Jittering Trace A numerics indicate an ECG count of 60 BPM The QRS Symbol flashing heart 15 present QRS Heart Rate Tone is present with NO double tones Repeat substep e for all Leads except CAL Set the Patient Simulator to output a 2 mV QRS pulse at 120BPM s 2 4 Verify the following on both the 3150 3150M monitor and the remote monitor 1 Trace A shows a waveform train of moving pulses without Jittering 2 Trace A numerics indicate an ECG count of 120 BPM 3 The QRS Symbol flashing heart 15 present 4 QRS Heart Rate Tone is present with NO double tones Repeat substep h for all Leads except CAL Set the Patient Simulator to output a 2 mV QRS pulse at 240 BPM s Verify the following 1 Trace A shows a waveform train of moving 5 pulses without Jittering 2 Trace A numerics indicate an ECG count of 240 BPM 3 The QRS Symbol flashing heart 15 present 4 QRS Heart Rate Tone is present with NO double tones Repeat substep k for all Leads except CAL Set the Patient Simulator to output a 2 mV QRS pulse
90. tion 69 4u ct pk 01 09 09 Set Minimum Packet Length pl Read Maximum Data Length pn 02 02 02 Maximum Number of Remotes pr 08 10 10 Set ARQ Attempt Limit pt 00 00 00 Set Data Transmit Delay pv 00 00 00 Slot Timeout Assignment Mode pw 34 34 34 Base Slot Size px 0 0 0 Enable ARQ Mode 0 disable 1 enable NOTE The pe setting must be set for the country in which the system is used 0 USA 1 France 2 Spain 3 Japan or 4 Canada f Enter all required STATUS COMMANDS as follows 3155A or 3155MVS Set to 3150 Series Remote 1 3155MVS Command BASE REMOTE REMOTE DESCRIPTION 1 zb 1 1 Banner Display O disable 1 enable zc 1 1 1 Escape Sequence 0 disable 1 enable zp 0 0 0 Power Save Mode O disable 1 enable zq 0 0 0 Low Power Acquisition g When all parameter data is entered into the AB182B radio transceiver s memory type gt Enter to save the encoded parameters h Exit the programming mode by typing z gt Enter i Unplug the 9 Vdc batteries from both pigtailed battery cables red and black wires j Unplug the test fixture from the pc and AB182B transceiver Store test fixture with batteries for future use 5 8 SECTION VI CONFIGURATION SCREEN 6 0 CONFIGURATION SCREEN 6 1 Introduction In order to simplify configuring 3150s and Magnitudes systems with AB119A Master Processor boards a Flash ROM IM46 was added to U17 of the master processor for permanent storage of configuration and
91. ware must be installed on the signal processor to select MAGNITUDE When selected it will activate the View Mode see system menu Selection of MAGNITUDE is prohibited when signal processor software version VSS02 is installed 6 7 Language When the arrows bracket the LANGUAGE selections available are ENGLISH GERMAN SPANISH e FRENCH e PORTUGESE ITALIAN e DUTCH APPENDIX A WIRING BREAKOUT DIAGRAMS AC307 Motor VIO Overpressure Switch AB67 Mother 7 DB15 Female Connector Board AP45 8 4 NIBP Input 5 AC313 en Pump V BRN 1 10V VIO 2 12V RED 3 12V RED 4 GND BLK 5 AB67 12 6 AB76 AB152 ns E GND BLK 9 5V YEL 10 5V YEL 11 RXOH BLU 12 TXOH GRN 13 AC356 E 1 HRSOURCEGATE WHT 2 HR SOURCE GATE ORN 3 GATE YEL 4 PI GATE RED 5 ETCO2 RESP GATE GRN 6 AGND BLK DBIS 7 SPO2 PULSEGATE VIO AB116 AB116M SPO2 PULSEGATE BLU Female Gating 9 1mV ECG WHT Connector 10 1 ORN Gating Out 11 Pl YEL 12 CO2 RESP 1V RED 13 PULSE SIGNAL GRN 14 PULSE REF 2 5V BLK 15 PULSE LED S VIO AC358 n RXAO GRN ABII9 ABII9A 2 TXAO BLU 7 Master 13 GND BLK 8 Processor P4 Board 12 AB115 I 12V ORG x ETCO2 7 5 17 AB47 AB47A AB47M Board 8 RESET EXT YEL 8 Signal 9 INT1 GRN 9 Processor 10 INT2 BLU 10 Board T GND BLK 11 12 GND
92. y before performing the following procedure This can be verified without disassembling the unit by pressing and holding the ALARM SILENCE control key on the Model 3150 monitor for approximately 3 seconds and noting that the value displayed for the master processor begins with a prefix of MU 1 MASTER MUXX a Enter radio parameter data into the HE60 transceiver s memory by performing the following steps Each radio parameter is entered by typing a two letter code and then the applicable value associated with that code For example the two letter code to set the radio s address or ID code is ws To specify a radio address value of AA the programmer should then type wsAA lt gt When the programmer types a radio parameter and presses lt gt the radio will automatically echo the value just entered on the next line on the computer screen To continue the above example if the programmer types wsAA lt gt the next line on the screen will display the following text AA c Enter all required VETWORK COMMANDS as follows 3150 Series 3155 Series AS163 Command BASE REMOTE REMOTE DESCRIPTION wn EN Set Network Number 0 thru f wb 1 0 0 Set 1 Remote 0 wd 44 AA AA Set Destination Address never use ff ws 88 AA 55 Set Source Address never use ff wt 1 1 1 Set Channel Access Mode 0 CSMA 1 TDMA wp 1 1 1 Set Transmit Power 0 low power 1 hi power d Enter all r

INVIVO 3150 MRI Service Manual

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