Welch Allyn Propaq Encore Service Manual Download Page 123

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Service Manual

Field Replaceable Units (FRUs)

119

SPO2 CONNECTOR PANEL, NELLCOR MP-405

010-0210-02

SPO2 CONNECTOR PANEL, NELLCOR MP-507

010-0231-00

SPO2 CONNECTOR PANEL, MASIMO MS3 - MINI DIN CONNECTOR WITH SHROUD

010-0208-00

SPO2 CONNECTOR PANEL, MASIMO MS3 WITH MASIMO STYLE CONNECTOR

010-0236-00

LOCKING "D" CONNECTOR, SPO2 PANEL

630-0038-00

CO2 Option, Mainstream/Sidestream

MSP BOARD, With MCO2, MP-203 ONLY, U11 64K PROM, D/E/G SERIES

020-0580-00

MSP BOARD, Without MCO2, MP-203 ONLY, U11 64K PROM, D/G SERIES ONLY

031-0058-51

MSP BOARD, With MCO2, MS3 / ALL NELLCOR, U1 128K PROM, D/G SERIES ONLY

031-0058-03

MSP BOARD, Without MCO2, MS3 / ALL NELLCOR, U1 128K PROM, D/G SERIES ONLY

031-0058-53

CO2 Option, Mainstream

CONNECTOR PANEL, CO2, WITH BRACKET

020-0285-00

CONNECTOR PANEL, CO2, W/O BRACKET

020-0582-00

MAINSTREAM CO2 SENSOR EXCHANGE (CO2 sensor listed is exchange for reworked sensor II, 90 day
warranty)

108-0502-00

MAINSTREAM CO2 SENSOR TRADE-IN (CO2 sensor listed is trade-in for new sensor II, one year
warranty.)

008-0502-00

CO2 Option, Sidestream

SSP BOARD (Requires Service Center calibration)

020-0574-00

STICK BOARD (Requires Service Center calibration)

031-0094-02

EXTENDER BOARD

031-0092-00

FRONT PANEL, EMP, SSCO2

020-0575-00

Option Interconnect Cables

CABLE, POWER HARNESS, EM

660-0090-00

CABLE, PROPAQ P4 TO PCP-P140

010-0055-00

CABLE, PROPAQ P4 TO SCP/MSP-P1

010-0048-00

CABLE, SCP-P4 TO PCP-P140

010-0054-00

CABLE, MSP-P4 TO PCP-P140/KEYPAD TO PCP-P400

010-0056-00

Labels, All Language Applications

LABEL, LOGO, PROPAQ ENCORE

640-0421-00

LABEL, LOGO, WELCH ALLYN, PROPAQ ENCORE

640-0421-01

LABEL, MODEL 202

640-0350-00

LABEL, MODEL 204

640-0349-00

LABEL, MODEL 206

640-0348-00

LABEL, RIGHT SIDE PANEL

640-0325-00

LABEL, RIGHT SIDE PANEL, ACUITY

(NO LONGER AVAILABLE)

640-0326-00

LABEL, RIGHT SIDE PANEL, NETWORKS/ACUITY/MODEM

640-0422-00

LABEL, LEFT SIDE PANEL, 2X2, AAMI, UNIVERSAL

640-0321-01

LABEL, LEFT SIDE PANEL, 2X2, HP, UNIVERSAL

640-0356-01

Description

Part #

Summary of Contents for Propaq Encore

Page 1: ...Propaq Encore Vital Signs Monitor Service Manual...

Page 2: ...Copyright 2006 Welch Allyn or its vendors All rights are reserved The software is protected by United States of America copyright laws and international treaty provisions applicable worldwide Under su...

Page 3: ...Verification 11 Introduction 11 Safety Tests 12 Functional Verification 14 4 Calibration 33 Introduction 33 Equipment Needed 33 Procedures 34 Setup 34 Recharger Supply Adjustments 35 Display Voltage...

Page 4: ...placing PROMs 70 Cuff Fittings 71 Replacing the Recharger Board 72 Replacing the Pump 74 Replacing the Side Panels 75 Expansion Module 78 Replacing the Expansion Module Front Panel 81 Replacing the Ex...

Page 5: ...place the adapter as needed Do not operate the apparatus from mains power with a damaged power adapter cord or plug WARNING Make frequent electrical and visual checks on cables and electrode wires WAR...

Page 6: ...ension cord If there is any doubt about the integrity of the protective earth ground of the receptacle for the power adapter do not plug in the power adapter operate the monitor only on battery power...

Page 7: ...ing current Caution Refer to Reference Guide and accompanying documentation Enclosure Protection Drip proof Classification IPX1 per IEC Publication 529 Battery charging when green indicator illuminate...

Page 8: ...Standards Association has evaluated this device according to CSA 601 1 and Underwriters Laboratory Standard UL 2601 1 1 This device has been tested and certified by the Canadian Standards Association...

Page 9: ...ntenance and repair information Check the Encore Reference Guide for information on other user s documentation Unpacking Procedure Use the following guidelines when unpacking the Encore monitor from i...

Page 10: ...k to Welch Allyn for service USA 1 800 535 6663 France 33 1 60 09 33 66 Australia 61 2 9638 3000 Latin America 1 305 669 9591 Germany 49 7477 927 173 Singapore 65 6291 0882 European Call Center 353 46...

Page 11: ...isolation barrier The dielectric strength test procedure is provided in Functional Verification on page 11 Table 1 Monitor Configurations Product Model Option Parametersa a The Acuity option is avail...

Page 12: ...25 Yes Yes No Nellcor MP 203 007 0048 XX 225 Yes Yes No Masimo MS3 007 0071 XX 225 Yes Yes No Nellcor MP 405 007 0084 XX 225 Yes Yes No Nellcor MP 507 007 0114 XX 226 No No Yes Nellcor MP 203 007 0045...

Page 13: ...ce Menus once you enter the top level Service Menu The procedures in this manual indicate which buttons to push by separating each button menu name with the character For example to access the Service...

Page 14: ...10 Overview Welch Allyn Propaq Encore Vital Signs Monitor...

Page 15: ...the functional verification It has several features for testing and verifying the NIBP cuff channel display invasive pressure channel and printer Refer to Overview on page 5 for information about the...

Page 16: ...8 V 3A with voltage and current metering Dynatech Nevada 213A 214A 215A or 217A with IBP Temperature and EGG Cable Leads Adult cuff provided with monitor Neonatal cuff 3 3 cm diameter solid cylinder s...

Page 17: ...ing any procedure in which the monitor is opened Use a Rod L Model M100AVS5 high voltage potential tester or equivalent Refer to the Rod L instruction manual for operating information and safety recom...

Page 18: ...mary of Connection Points and High Voltage Test Potentials Tester s high voltage terminal connection Tester s grounded return connection High voltage test parameters All ECG leads on patient cable con...

Page 19: ...onnect the dc power supply to the monitor s dc input connector on the right side panel 10 Turn on the dc power supply 11 Check that the green LED indicator lights up 12 Switch the dc power supply mete...

Page 20: ...generates simulated waveforms 7 If dual stream monitor look for CO2 Sensor Change Switching to Mainstream YES or NO 8 IBP screen indicates need to zero P1 or P2 9 Press MAIN MENU 10 Using the appropr...

Page 21: ...he following procedures verify the ECG channel and the alarm indicator drivers The setup procedure below is used for both the visual and the electrical checks that follow Setup 1 Turn on the monitor a...

Page 22: ...her software versions All alarms OFF SETUP ALARMS ALL ALRM software version 2 XX press YES when prompted until all alarms are off except for the Apnea alarm which cannot be turned off The ALARM S OFF...

Page 23: ...nd then LA ECG lead 14 Check that the ALARM S OFF light is on Software version 2 5X Check that the ALARM light is on 15 Check that the monitor s heart rate display is 80 4 bpm and the respiration rate...

Page 24: ...into each of the ECG X1000 connector holes shown in the figure below or use real time ECG Out cable 008 0320 00 6 Connect the scope probe and the scope ground clip to the wires 7 Check that the scope...

Page 25: ...Connect the IBP cable from the patient simulator to an IBP input jack on the left side panel of the Encore 3 Set the simulator output pressure to 0 mmHg 4 Zero P1 by pressing ZERO P1 5 Check that ZERO...

Page 26: ...indrical object about the size of an adult s arm 4 Press SETUP MORE MORE SERVICE YES NIBP TEST NIBP CAL 5 Close the valve on the bulb and inflate the cuff to 250 mmHg as shown on thepressure meter 6 C...

Page 27: ...ator into the T1 jack on the Encore s left side panel 2 Check that the T1 temperature is 37 0 1 C 3 Repeat Steps 1 and 2 for T2 4 Plug a 37 C YSI 700 series three conductor temperature probe simulator...

Page 28: ...o confirm the proper operation of the Nellcor Pulse Oximetry option installed in the Propaq monitor This procedure supports the requirements of routine preventive maintenance No monitor disassembly is...

Page 29: ...after the entire waveform has been fed out of the printer 7 Press the printer s START STOP button The printer should begin continuous printing 8 Press the START STOP button to stop printing 9 Lay the...

Page 30: ...erences on the maps Refer to the table titled Uncorrected Barometric Pressure as as Function of Altitude use this table to determine the local uncorrected pressure LUP 2 Determine ATIS reported pressu...

Page 31: ...acy of the test gas Example The local barometric pressure as calculated in Example 1 above is 635 92 mmHg The certified CO2 gas percentage is 5 00 Determine the CO2 partial pressure by multiplying 635...

Page 32: ...250 653 92 2950 529 21 4650 424 49 400 796 74 1300 649 94 3000 525 85 4700 421 69 350 792 07 1350 645 98 3050 522 52 4750 418 90 300 787 43 1400 642 04 3100 519 20 4800 416 12 250 782 80 1450 638 12 3...

Page 33: ...o the sensor airway adapter 9 For test gas calculated partial pressure values of 30 mmHg or less check the CO2 reading on the Encore display to be within 3 mmHg 10 For test gas calculated partial pres...

Page 34: ...ication Correction Incorrect unknown calibration gas concentration 4 to 10 certified to within 0 01 Verify gas supply Gas must be between 4 and 10 Once known convert percentage to partial pressure mmH...

Page 35: ...to appear in the SCO2 numerics window 11 Plug the water trap inlet and verify that the monitor generates an OCCLUSION CHECK WATER TRAP TUBING equipment alert message Acknowledge the equipment alert W...

Page 36: ...e the open length of tubing connected 25 Connect the flow meter in line with the CO2 gas delivery tubing 26 Adjust the CO2 flow for a rate of 110 200mL min 27 Insert the gas delivery tubing and the op...

Page 37: ...alibration Sidestream CO2 has no user performable calibration After replacement of any modules to support service of these options perform a functional verification for those associated modules The ma...

Page 38: ...the monitor 6 Disconnect P1 expansion connector cable from the Analog board and open the front chassis approximately 90 degrees Adult cuff provided with monitor cylindrical object about the size of an...

Page 39: ...rsion 2 0 software to remove the bell symbol from the display In order to inhibit the Apnea alarm turn off Respiration monitoring press ECG RESP MORE and set RESP to OFF WARNING High voltages approxim...

Page 40: ...15V dc 14 Move the positive lead back to P12 pin 1 or 5 15 Vary the input voltage from 12V to 28V and check that the output voltage remains constant The battery load voltage must not vary more than 0...

Page 41: ...one of the five bottom buttons to reset 2 Connect the DMM positive lead to the D33 cathode 3 Connect the DMM reference lead to ground at TP2 4 Adjust RP7 to the value indicated on the display module...

Page 42: ...s if necessary 3 Connect the DMM reference lead to TP39 4 Connect the DMM positive lead to TP29 5 Turn on the monitor Press any of the lower five buttons to reset the Encore following equipment alerts...

Page 43: ...displayed on the oscilloscope of 1 0V 0 1V baseline to peak of the R wave 8 Disconnect the ECG cable from the monitor VB TP43 or TP1 TP13 5 40 to 6 10 5 6 TP43 or TP1 TP33 5 55 to 5 70 IBP shield TP4...

Page 44: ...ad on the pressure meter 5 Watching the value of PR1 on the Encore monitor screen adjust RP2 until the service screen reading matches the pressure meter 6 Manually change the system pressure to check...

Page 45: ...Hz noise over riding the ac mains component 7 Disconnect the scope probe Invasive Blood Pressure Skip this part of the calibration procedure if your Encore does not support IBP measurements 1 Connect...

Page 46: ...calibrate displayed pressure to specified limits 3 Using an oscilloscope with a 1X probe connect probe tip to TP50 on the MSP board Leave probe groundtip open 4 Adjust RP2 for minimum high frequency...

Page 47: ...or repair as needed CALIBRATION ERROR TEMP DISABLED This message appears when the Propaq Encore has detected that temperature circuitry is out of calibration The temperature channel is disabled until...

Page 48: ...ench has failed Replace the Stick board CALIBRATION ERROR SERVICE REQUIRED SCO2 A CO2 bench failure has occurred Replace the Stick board OCCLUSION CHECK EXHAUST PORT TUBING SCO2 Repeated error message...

Page 49: ...at least 8 hours with the monitor turned off 12 hours if a printer or pulse oximeter is attached 2 Disconnect the cuff and all cables from the monitor 3 Turn off all printing if a printer is attached...

Page 50: ...46 Troubleshooting Welch Allyn Propaq Encore Vital Signs Monitor...

Page 51: ...MSP in the Expansion Module SSP PROM on the sidestream main board SSP in the Expansion Module When you remove one of these boards for replacement you should remove the PROM from the board and store it...

Page 52: ...e to static discharge may reduce monitor operation life and increase repairs Place the monitor in an anti static area before servicing the monitor Description Phillips screwdrivers 1 and 2 Flat blade...

Page 53: ...e front chassis of the monitor contains the following components insulator Analog board with metal shield and insulator Digital board with shields EL display unit front chassis with display filter and...

Page 54: ...itor The rear chassis contains the following components Recharger board Side panels right and left NIBP pump NIBP tubing NIBP valves 0696 11 Front Chassis EL Display Panel Brackets Digital Board Digit...

Page 55: ...ssemble the Propaq Encore to replace this fuse Check fuse F1 if the ac power adapter is functioning properly and the following two conditions exist the green LED charging indicator on the monitor s ri...

Page 56: ...s contains a single battery pack An Encore with an option package uses a dual battery package Removing the Single Battery Pack The following steps describe how to remove the battery pack from the moni...

Page 57: ...ion Module The expansion module uses a dual battery pack The following instructions describe how to remove the dual battery 1 Using a Phillips screwdriver remove the four screws securing the expansion...

Page 58: ...sconnect the battery pack cable from the monitor s power cable The battery pack should remain in the expansion module chassis 4 Continue to slide the monitor forward until it can be completely separat...

Page 59: ...emove the four screws from the SpO2 module rear panel 2 Slide the monitor forward until you can disconnect the battery pack cable from the monitor s power cable 3 Slide the monitor forward until it ca...

Page 60: ...below 1 Spread the casing open to an angle of 45 degrees 2 Detach the expansion connector cable to P1 from the front chassis of the monitor as indicated in the figure below Caution Before opening the...

Page 61: ...r on the rear chassis Cable to P6 on the Analog board from the left side panel IPB connector on the rear chassis Cable to P7 on the Analog board from the left side panel temperature jack on the rear c...

Page 62: ...from the Digital board Ribbon cable to P11 on the Recharger board from the Digital board 2 Separate the front chassis from the rear chassis see figure below Note The two halves are sealed by rubber O...

Page 63: ...The front chassis pressure transducer tube has been securely reconnected The rubber O ring gasket is in place in the rear chassis P10 and P11 locking clips are secure 2 Torque the six screws securing...

Page 64: ...assis Note You do not need to lift the plastic insulator nor remove the metal shield to remove the Analog board However you must lift the insulator to calibrate the board Caution The Analog and Digita...

Page 65: ...he entire monitor to Welch Allyn for service See Technical Support Services on page 6 The Digital board is secured beneath the Analog board by four screws and one hex post The four screws are located...

Page 66: ...pin ribbon cable cable from the Digital board to the Recharger board Note The Digital board is connected to the EL display module by connector J1 This connector should detach easily Caution Do not tou...

Page 67: ...before placing the board in the front chassis Remove the shield on the top of the Digital board in order to reconnect the display cable Blow out any dust and particulates from the board using pressuri...

Page 68: ...he Analog board Replacing the Analog Board on page 59 4 Remove the Digital board Replacing the Digital Board on page 61 5 Remove the screws and washers holding the brackets on the left and right sides...

Page 69: ...sturb the rest of the gasket filter interface as you do this To inspect the filter look for a slight color variation between the perimeter conductive coating and the rest of the filter see the figure...

Page 70: ...ch screw Torque screws to 3 8in lbs to 4 2in lbs 43N m to 47N m After the display is in place blow out any particulate with de ionized gas Removing the Front Panel Buttons This section describes how t...

Page 71: ...monitor If the monitor does not turn on but the BATTERY CHARGING indicator lights when the ac power adapter is connected check fuse F2 3 Amp 1 Remove the battery pack Replacing the Battery Pack on pag...

Page 72: ...bing assembly part number D33 T3 P2 F2 Note If you don t need to replace the length of tubing between the cuff hose connector in the left side panel and the rest of the tubing assembly don t remove th...

Page 73: ...ulty check its continuity on all pins If you need to replace a cable refer to Field Replaceable Units FRUs on page 117 for part numbers When removing a cable be sure to note the routing It is importan...

Page 74: ...owing instructions describe how to replace all other PROMs To remove the PROMs insert the fingers of the PROM removal tool into the slots at two corners of the PROM and pull out the PROM while squeezi...

Page 75: ...g pliers pull off the metal fitting from the cuff hose 3 Cut approximately 1 2 off the cuff hose 4 Using a small screwdriver remove the C clip from the fitting 5 Remove the knurled nut from the fittin...

Page 76: ...ery Pack on page 52 2 Open the monitor Opening the Monitor on page 55 3 Disconnect the air tubing attached to the valves and pump at the junction indicated in this figure 4 Disconnect cables P2 P3 P12...

Page 77: ...ressurized de ionized gas move all cables out of the way torque screws to 3 8in lbs to 4 2in lbs 43N m to 47N m Caution As you set the board in place during installation keep the board clear of the po...

Page 78: ...rger board 5 Disconnect the tubing from the pump 6 Cut the tie wraps securing the pump to the Recharger board 7 Lift the pump from the board and remove the old tie wraps from the support brackets When...

Page 79: ...amp and gently rotating the blade to loosen the clamp Then slide the clamp out 6 Press the side panel out of the rear chassis There is an adhesive gasket around the side panel which requires considera...

Page 80: ...Side Panels 1 Clean all gasket material from the rear chassis where the side panel is to be installed The adhesive side of duct tape can be used to pull away old gasket residue 2 Attach the tubing to...

Page 81: ...clamp requires excessive pressure to slide in place remove the clamp and check the side panel to be sure it is completely seated 8 Connect all plumbing and cables 9 When installing the right side pane...

Page 82: ...buttons SSP board units with sidestream CO2 Stick board units with sidestream CO2 Extender board Note For specific option configurations see Technical Overview on page 93 Note The expansion module doe...

Page 83: ...move the front panel Replacing the Expansion Module Front Panel on page 81 and the extender board Replacing the Extender Board on page 88 before proceeding with the rear panel removal Caution When dis...

Page 84: ...e to the SCP or MSP board 4 Set the chassis onto the rear panel verifying that the gaskets don t slip out of a channel and become pinched between the rear panel and the chassis 5 Torque screws to 4 75...

Page 85: ...front panel 2 For expansion module options with sidestream CO2 226 227 228 or 229 disconnect the cables from J1 and J3 on the SSP board 3 Separate the front panel from the chassis disconnecting the fr...

Page 86: ...rd to the front panel 3 Remove the button board 4 To remove each button gently lift out the rubber portion of the button contact attached to the inside of the front panel then squeeze together the ste...

Page 87: ...e Expansion Module chassis Set this shield aside 6 Disconnect the battery cable and printer cable from the rear of the Printer Main board 7 Lay the chassis on its back 8 Completely open the paper door...

Page 88: ...latch mechanism function without binding 5 Connect the battery cable and printer cable to the Printer Main board It is important to properly dress the cables as shown here 6 Connect the button cable t...

Page 89: ...ating the rear panel from the chassis make sure the side panels remain seated in the rear panel 3 Once the tabs allow the rear panel to be removed separate the rear panel from the chassis The rear pan...

Page 90: ...panel easily slides out 7 Using equal pressure on both sides of the connector disconnect the patient connector side panel connector from the SpO2 circuit board 8 Disconnect the two circuit boards by g...

Page 91: ...boards and SpO2 patient connector side panel as a unit The side panel easily slides out 6 Using equal pressure on both sides of the connector disconnect the patient connector side panel connector from...

Page 92: ...on assemblies in the expansion module These include the sidestream processor SSP board the sidestream CO2 Stick board and the extender board 1 Loosen the expansion module front chassis Replacing the E...

Page 93: ...haust port using rounded non serrated pliers only Disconnect the water trap switch connector from J4 4 Lift the SSP Stick assembly up and out of the front chassis plastic clearing all board components...

Page 94: ...ertical position insert left edge of SSP board into retaining tabs on the inside of the front panel plastic align tubing as originally configured to allow access for connections and to prevent pinchin...

Page 95: ...anel and the two circuit boards must be removed together before disconnecting the side panel from the circuit board See Replacing the SpO2 Circuit Boards on page 86 or Replacing the MSP SpO2 Circuit B...

Page 96: ...92 Repair Procedures Welch Allyn Propaq Encore Vital Signs Monitor...

Page 97: ...imetry SpO2 and Capnography CO2 This section is intended as an aid to servicing at the field replaceable unit level and contains only system level and functional level circuit descriptions When replac...

Page 98: ...onics reside on three circuit boards within the monitor housing front and rear chassis Additional circuitry for the printer and optional monitoring parameters reside on additional circuit boards house...

Page 99: ...1 printer Filler Panel Printer Main Housing Printer Door Filler Panel Rear Panel Front Panel no SCO2 1097 05 Expansion Module Option 223 printer SpO2 Printer Main Housing Printer Door Front Panel no S...

Page 100: ...in Housing Front Panel no SCO2 SpO2 Connector Panel Rear Panel Speaker Panel MSP Board SpO2 Board CO2 Connector Panel 1097 07 Expansion Module Option 225 printer SpO2 MCO2 SpO2 Connector Panel Rear Pa...

Page 101: ...aker Panel MSP Board SpO2 Board Front Panel with SCO2 Extender Board SSP Board Stick Board Main Housing 1097 09 Expansion Module Option 227 printer SpO2 SCO2 SpO2 Connector Panel Rear Panel Speaker Pa...

Page 102: ...nel 08 MSP Board SpO2 Board Front Panel with SCO2 Extender Board SSP Board Stick Board Main Housing CO2 Connector Panel 1097 11 Expansion Module Option 229 printer SpO2 MCO2 SCO2 SpO2 Connector Panel...

Page 103: ...TION ANALOG TO DIGITAL CONVERSION ISOLATED CPU ISO NON ISO POWER SUPPLIES REAL TIME ECG OUT LOCATED IN FRONT CHASSIS RECHARGER BOARD DISPLAY PS BATT RECHARGER NIBP PUMP VALVES LOCATED IN REAR CHASSIS...

Page 104: ...ged from any dc power source that meets the monitor s dc power input specifications An accessory cable is available from Welch Allyn to allow connection of such a power source to the dc power input co...

Page 105: ...L_EN HVENBL SHUTDOWN VCC RECHARGER BOARD SHUTDOWN LOW_VCC VSW INFREQ_INT BATT_TAP PS_CONTROL PSENBL DISPLAY_POWER DISP_EN 5V HVENBL ISO 5 9V SUPPLY VSW VCC SUPPLY 5 00V NON ISO POWER SUPPLIES ISOLATED...

Page 106: ...cross the isolation barrier are achieved using opto couplers and a transformer rated for medical applications Microcontrollers Cs control patient data processing alarm monitoring and display ECG ACQUI...

Page 107: ...es are closed These two valves are normally open to ensure the NIBP tubing does not remain pressurized when the valves are not energized The linear valve s programmable iris determines the cuff inflat...

Page 108: ...TION PRESSURIZED TARGET REACHED NIBP PNEUMATICS AT REST BETWEEN MEASUREMENTS 0696 62 TO DAP A D CONVERTER TO DCP A D CONVERTER CUFF PRIMARY TRANSDUCER SECONDARY TRANSDUCER DUMP VALVE CLOSED SERVO LINE...

Page 109: ...SURIZED TARGET REACHED NIBP PNEUMATICS AT MAXIMUM TARGET PRESSURE 0696 64 TO DAP A D CONVERTER TO DCP A D CONVERTER CUFF PRIMARY TRANSDUCER SECONDARY TRANSDUCER DUMP VALVE CLOSED SERVO LINEAR VALVE PA...

Page 110: ...EED VALVE OPEN PUMP OFF ATMOSPHERIC PRESSURE INCREASING PRESSURE INFLATION DECREASING PRESSURE DEFLATION PRESSURIZED TARGET REACHED VALVE IS INITIALLY CLOSED BUT OPENS AFTER INITIAL DUMPING BEGINS BY...

Page 111: ...Service Manual Technical Overview 107 Cabling Diagrams cabling diag...

Page 112: ...nding and receiving data packets over serial communication lines The print head assembly contains 5 segments consisting of 64 thermal printing dots each for a total of 320 dots which cover the width o...

Page 113: ...PRINT HEAD PRINTER DRIVER PRINTER CPU PRINTER LOGIC P150 FROM BATTERY P1 EXPANSION VCC TO MOTOR TO PAPER OUT DET TO HEAD UP DET TO KEY BOARD FROM TO PROPAQ IPC EXPANSION P502 P501 P402 P400 P140 P2 P...

Page 114: ...d to digital data then that data is passed to the SCP Board where it is prepared for transmission to the monitor s main microprocessor An SpO2 option isolated power supply powered by monitor batteries...

Page 115: ...the input waveform represents which wavelength of light When the red LED is activated the waveform level indicates red light plus ambient light When the IR LED is activated the waveform level indicat...

Page 116: ...controlled through the variable gain stage of the inverting amplifier and the output current of the LED current driver By controlling both signal gain and current drive the CPU can maintain the best...

Page 117: ...he bench is located on the Stick board within the Propaq monitor A sample of the patient s expired gas is aspirated from the airway and is drawn to the bench through a sampling line containing a water...

Page 118: ...supply comes from the Propaq Encore battery connections and an on board switching power supply CO2 Analysis Chamber Bench Analysis of the expired CO2 occurs in the bench The bench is located in the ma...

Page 119: ...odetector at the other side of the bench As the IR beam passes through the gas sample to the photodetector the components of the spinning chopper wheel are passed through the beam with each revolution...

Page 120: ...116 Technical Overview Welch Allyn Propaq Encore Vital Signs Monitor...

Page 121: ...Y MODULE EL HI RESOLUTION Use with recharger part number 020 0616 00 500 0046 00 Monitor Front Rear Chassis Parts labels not included FRONT CHASSIS 020 0508 00 REAR CHASSIS 020 0512 00 CAP VERTICAL KE...

Page 122: ...INTER ASSEMBLY ESD 2XX 020 0602 00 MAIN CHASSIS EM WITH PRINTER FOR CO2 CONN W O BRACKET 020 0581 00 MAIN CHASSIS EM W O PRINTER FOR CO2 CONN W O BRACKET 020 0583 00 MAIN CHASSIS EM WITH PRINTER ESD 0...

Page 123: ...or II 90 day warranty 108 0502 00 MAINSTREAM CO2 SENSOR TRADE IN CO2 sensor listed is trade in for new sensor II one year warranty 008 0502 00 CO2 Option Sidestream SSP BOARD Requires Service Center c...

Page 124: ...EL 640 0322 01 Labels English Applications LABEL LEFT AND RIGHT KEYS 640 0477 00 LABEL LEFT AND RIGHT KEYS 640 0477 01 LABEL LEFT AND RIGHT KEYS NET OFF 640 0487 00 LABEL LEFT AND RIGHT KEYS NET OFF 6...

Page 125: ...0 00 Labels Portuguese Applications LABEL LEFT AND RIGHT KEYS 640 0464 00 LABEL LEFT AND RIGHT KEYS WITH ALARM LEDS 640 0464 01 LABEL LEFT AND RIGHT KEYS NET OFF 640 0494 00 LABEL LEFT AND RIGHT KEYS...

Page 126: ...122 Field Replaceable Units FRUs Welch Allyn Propaq Encore Vital Signs Monitor...

Page 127: ...component suppliers CONNECTOR 5 PIN 0 156 CENTER MFR METHODE PN 3300 405 220 PROTOCOL PN 610 0036 00 REQUIRES INSERTION TOOL METHODE PN JT 11 156 ST 1 2 3 4 5 USE RESISTOR NETWORKS TO RIGHT AND CREATE...

Page 128: ...124 Manufacturable Test Equipment Welch Allyn Propaq Encore Vital Signs Monitor...

Page 129: ...If only one simulator channel is used the modification is unnecessary Modify the patient simulator s invasive pressure cable as shown in the figure below Remove jumpers W1 and W2 from the patient simu...

Page 130: ...126 Dynatech Nevada Patient Simulator Modification Welch Allyn Propaq Encore Vital Signs Monitor...

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