Philips TP3281C Service Manual

To contact Mallinckrodt, Inc. representative: in the United States, call 1-800-635-5267: outside of the United States, call your local Mallinckrodt r

Section 1: Introduction1-21.4 RELATED DOCUMENTSTo perform test and troubleshooting procedures and to understand the principlesof operation and circui

Section 11: Isolated Front End Functions -- Theory of Operation11-411.3 INTERFACE CIRCUITFigure 11-4: Interface Circuit Block DiagramThe interface c

Section 11: Isolated Front End Functions -- Theory of Operation11-5The SpO2 sensor signal is brought through a panel connector and a separatepanel cab

Section 11: Isolated Front End Functions -- Theory of Operation11-6The preamplifier is followed by a 0.05 Hz high-pass filter made of capacitorC147 an

Section 11: Isolated Front End Functions -- Theory of Operation11-711.5 RESPIRATORY CIRCUITFigure 11-6: Respiratory Circuit Block DiagramAs shown in

Section 11: Isolated Front End Functions -- Theory of Operation11-811.7 OPTOCOUPLERSFigure 11-7: Optocouplers Block DiagramSee Figure 11-7. The opt

Section 11: Isolated Front End Functions -- Theory of Operation11-911.8 CONTROLSFigure 11-8: Controls Block DiagramSee Figure 11-8. The isolated co

Section 11: Isolated Front End Functions -- Theory of Operation11-10The parity bit is set for odd and is checked in the odd/even parity checker U65.Ev

Section 11: Isolated Front End Functions -- Theory of Operation11-11bursts. This will provide enough time out for multiplexer control data to belatch

Section 11: Isolated Front End Functions -- Theory of Operation11-1211.10 ISOLATED POWER SUPPLYThe isolated power supply consists of high-current swi

12-1SECTION 12: NIBP - THEORY OF OPERATION12.1 NIBP System Overview12.2 The Pneumatic Assembly12.3 NIBP Hardware12. NIBP - THEORY OF OPERATION12.

2-1SECTION 2: ROUTINE MAINTENANCE2.1 Cleaning2.2 Periodic Safety and Functional Checks2.3 Batteries2.4 Environmental Protection2. ROUTINE MAINTENANCE

Section 12: NIBP - Theory of Operation12-2Figure 12-2: NIBP System Block DiagramPrior to making blood pressure measurements, the cuff is placed aroun

Section 12: NIBP - Theory of Operation12-312.2 THE PNEUMATIC ASSEMBLYThe pneumatic assembly, consisting of the pump, two controlling valves, andtubin

Section 12: NIBP - Theory of Operation12-412.3.1 Pressure TransducersPressure transducers PS1 and PS2 convert pneumatic pressure levels to voltagesin

Section 12: NIBP - Theory of Operation12-512.3.6 NIBP Pump ControlNote: The following description is duplicated in the Power Supply section.Referenc

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13-1SECTION 13: MICROPROCESSOR COMPUTER AND CONTROL –THEORY OF OPERATION13.1 General13.2 Power Supply Connections13.3 NIBP Processing13.4 Recorde

Section 13: Microprocessor Computer and Control –Theory of Operation13-2The SpO2 unit (MP-205) is connected to an asynchronous serial port via opto-is

Section 13: Microprocessor Computer and Control –Theory of Operation13-313.2.2 Microcontroller SignalsThe battery and microcontroller have two signal

Section 13: Microprocessor Computer and Control –Theory of Operation13-413.3 NIBP PROCESSINGSee Figure 13-2. The NIBP circuits consist of microproce

Section 13: Microprocessor Computer and Control –Theory of Operation13-5of them is buffered by a logic gate that is connected to 5 volts. The inputs

Section 2: Routine Maintenance2-22.3 BATTERIESIf the NPB-4000/C has not been used for a long period of time, the battery willneed charging. To charg

Section 13: Microprocessor Computer and Control –Theory of Operation13-6Figure 13-3: Recorder System Block Diagram13.4.1 Recorder/Microcontroller In

Section 13: Microprocessor Computer and Control –Theory of Operation13-713.5 ISOLATED FRONT END INTERFACEFigure 13-4: Isolated Front End Block Diagr

Section 13: Microprocessor Computer and Control –Theory of Operation13-813.5.2 16-Bit Word Transmitted to the A/D Converter and Front EndFigure: 13-

Section 13: Microprocessor Computer and Control –Theory of Operation13-913.7 CPU CONNECTIONSThe processor in this system is a 386EX. The 386EX conta

Section 13: Microprocessor Computer and Control –Theory of Operation13-1013.7.3 Port 3 BitsPort 3 bits used are as follows:3.2 Defib key input - in3.

Section 13: Microprocessor Computer and Control –Theory of Operation13-1113.7.7 Synchronous Serial PortThe synchronous serial port is connected to th

Section 13: Microprocessor Computer and Control –Theory of Operation13-1213.7.10 CPU Timing SignalsThe 386EX runs from a 40 MHz crystal oscillator an

Section 13: Microprocessor Computer and Control –Theory of Operation13-1313.8.2 DRAM TimingT1 T2W T2 T125ns 25ns75ns50ns50ns75ns75nsRAS#RAS#CLK2CASAD

Section 13: Microprocessor Computer and Control –Theory of Operation13-1410NSVALID ROW VALID COL10NS50NS70NS20NS10NS15NSRAS#ROW/COL ADDRUCAL/LCAS#20NS

Section 13: Microprocessor Computer and Control –Theory of Operation13-157FFFF, which is 80000 to FFFFF in bytes. This is the upper portion of thespa

3-1SECTION 3: PERFORMANCE VERIFICATION3.1 Introduction3.2 Equipment Needed3.3 Performance Tests3.4 Safety Tests3. PERFORMANCE VERIFICATION3.1 INTROD

Section 13: Microprocessor Computer and Control –Theory of Operation13-1613.9.2 Flash FPGA Control CircuitThe FPGA decodes the boot flash and trend f

Section 13: Microprocessor Computer and Control –Theory of Operation13-1713.10.1 LCD ControlThere are two chip selects assigned to the LCD display ch

Section 13: Microprocessor Computer and Control –Theory of Operation13-18Both read and write transfers between the 386EX and the 1351FLB are definedin

Section 13: Microprocessor Computer and Control –Theory of Operation13-19Figure 13-13: Interface Timing13.12 DUART ControlSee Figure 13-14. The DUA

Section 13: Microprocessor Computer and Control –Theory of Operation13-20The knob has two channels: channel A and channel B. When clockwise rotationo

Section 13: Microprocessor Computer and Control –Theory of Operation13-21The NIBP valve pulse width modulated (NIBPCNTLVLV) signal is generated inthe

Section 13: Microprocessor Computer and Control –Theory of Operation13-22Bit 7 resets the A/D converter and is generated when software starts a conver

Section 13: Microprocessor Computer and Control –Theory of Operation13-23Register CS5# + E has the following bit assignmentsBit 0 Not usedBIT 1 Not us

Section 13: Microprocessor Computer and Control –Theory of Operation13-24Page 2 of the schematics contains the NIBP circuits, the speaker circuits, th

Section 13: Microprocessor Computer and Control –Theory of Operation13-2513.17 CURRENT DRAIN OF DIGITAL ELECTRONICSThe current drain has been determi

Section 3: Performance Verification3-23.3 PERFORMANCE TESTSThe battery charge and battery performance test should be performed beforemonitor repairs

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14-1SECTION 14: MAIN COLOR BOARD DIGITAL THEORY OFOPERATION14.1 General14.2 Power Supply Connections14.3 CPU Connections14.4 LNA 386EX Connection

Section 14: Main Color Board Digital Theory of Operation14-2A RTC (real time clock) chip keeps the date and time of day. This unit has 64bytes of bat

Section 14: Main Color Board Digital Theory of Operation14-314.2 POWER SUPPLY CONNECTIONSFigure 14-1: Power Supply ConnectionsThe power supply provi

Section 14: Main Color Board Digital Theory of Operation14-414.2.2 Microcontroller SignalsThe power supply circuit and microcontroller have 2 signals

Section 14: Main Color Board Digital Theory of Operation14-514.3 CPU CONNECTIONSThe CPU (U7) is a 386EX microcontroller, which contains a 386SX core

Section 14: Main Color Board Digital Theory of Operation14-614.3.4 CHIP SELECT UNITThe chip select unit has 8 chip selects and are defined as follows

Section 14: Main Color Board Digital Theory of Operation14-7time a new conversion is initiated the previous conversion’s data is transferred tothe 386

Section 14: Main Color Board Digital Theory of Operation14-814.5.1 CPU SIGNALSVarious signals change at various times within a cycle, and the generic

Section 14: Main Color Board Digital Theory of Operation14-914.6.1.1 DRAM TIMINGFigure 14-4: DRAM TimingThe DRAM requires 104 ns total time, read/wr

Section 3: Performance Verification3-35. Set NIBP simulator to simulate pressure setting of 120/80 mmHg and heartrate of 80 bpm.6. Ensure monitor

Section 14: Main Color Board Digital Theory of Operation14-1014.6.2 DRAM FPGA CIRCUITSThe DRAM control circuits in the FPGA must decode the various 3

Section 14: Main Color Board Digital Theory of Operation14-11Figure 14-6: Flash Read TimingIn the FPGA control logic, the executable flash chip selec

Section 14: Main Color Board Digital Theory of Operation14-12Since the boot flash is for booting up and executing the software program, mostaccesses t

Section 14: Main Color Board Digital Theory of Operation14-13The processor interface consists of the following signals.CS# is the chip select for the

Section 14: Main Color Board Digital Theory of Operation14-14The above signals are all of the signals used to interface to the 386EX fortransferring o

Section 14: Main Color Board Digital Theory of Operation14-1514.8.3 LCD AND 386EX INTERFACEThe LCD display chip interfaces directly with the 386EX.

Section 14: Main Color Board Digital Theory of Operation14-16Figure 14-9: Interface TimingThe timing diagram above shows the signals and their relati

Section 14: Main Color Board Digital Theory of Operation14-1714.11 KNOB INTERFACE CONTROLThe knob consists of a rotary knob with a push button switch

Section 14: Main Color Board Digital Theory of Operation14-1814.13.1 CS5# NIBP PUMP PWM 8 BITSThe NIBP pump pulse width modulated (PUMP_PWM) signal

Section 14: Main Color Board Digital Theory of Operation14-19Bits 0-3 were defined in the above paragraphs. Bit 4, BCK_LITE_ON is a bitthat turns on

Section 3: Performance Verification3-4Note: The upper version number corresponds to the boot software, thelower version number corresponds to the ope

Section 14: Main Color Board Digital Theory of Operation14-20Register CS5# + C has the following bit assignments.BIT 0: Not usedBIT 1: Not usedBIT 2:

Section 14: Main Color Board Digital Theory of Operation14-2114.15.1 NIBP System OverviewThe NPB-4000C Non-Invasive Blood Pressure (NIBP) measurement

Section 14: Main Color Board Digital Theory of Operation14-2214.15.1.1 The pneumatic assemblyThe pneumatic assembly, consisting of the pump, two cont

Section 14: Main Color Board Digital Theory of Operation14-23Figure 14-13: NIBP Hardware Block Diagram14.15.1.2.1 Pressure TransducersPressure trans

Section 14: Main Color Board Digital Theory of Operation14-2414.15.1.2.5 Pump and Valve DriversThree-way valve V1 coil is powered by VPS that is swit

Section 14: Main Color Board Digital Theory of Operation14-25the previous conversion is transferred to the 386EX. The SSIO unit works withthe both of

Section 14: Main Color Board Digital Theory of Operation14-26The control words sent to the A/D converter contain the A/D multiplexerchannel to convert

Section 14: Main Color Board Digital Theory of Operation14-27The speaker circuit consists of a software programmable digital potentiometerchip, U28, w

Section 14: Main Color Board Digital Theory of Operation14-2814.17.3 RAS/ CONTROL CIRCUITThe RAS/ control circuit consists of 5 flip flops called STA

Section 14: Main Color Board Digital Theory of Operation14-2914.17.3.2 DRAMOE/ CONTROL CIRCUITThe DRAMOE/ signal enables the output drivers in the DR

Section 3: Performance Verification3-52. Set SRC-2 as follows:SWITCH POSITIONRATE 38LIGHT LOWMODULATION OFFRCAL/MODE RCAL 63/LOCAL3. Press monitor O

Section 14: Main Color Board Digital Theory of Operation14-3014.17.4 CONTROL REGISTER DECODEThe CONTROL REGISTER decoder is a 1 of 8 decoder which de

Section 14: Main Color Board Digital Theory of Operation14-3114.17.9 FLASH WRITE STATE MACHINEThe FLASH write state machine consists of 5 flip flops

Section 14: Main Color Board Digital Theory of Operation14-3214.17.13 RTC/DUART STATE MACHINEInterfacing to the DUART and RTC requires slowing down t

Section 14: Main Color Board Digital Theory of Operation14-3314.17.16 FREQUENCY GENERATORThe master clock in, generates 2 internal signals, CLK_PH1 a

Section 14: Main Color Board Digital Theory of Operation14-3414.17.18 READ BACK MULTIPLEXERA read back multiplexer allows the software to read back p

Section 14: Main Color Board Digital Theory of Operation14-3514.17.20 SPEAKER HIGH AND LOW CONTROLThe speaker requires tones from about 300 Hz to 1 k

Section 14: Main Color Board Digital Theory of Operation14-3614.17.21.5 FE_CLK_EN BITBit 5 is the FE_CLK_EN which stands for the front end clock enab

Section 14: Main Color Board Digital Theory of Operation14-3714.17.23 SYNC_ALARM CIRCUITThe power supply board requires a 50 kHz signal to generate t

Section 14: Main Color Board Digital Theory of Operation14-38Figure 14-14: NPB-4000C Color Motherboard Block Diagram

Section 14: Main Color Board Digital Theory of Operation14-3914.19 CURRENT DRAIN OF DIGITAL ELECTRONICSThe worst case current drain has been determin

Section 3: Performance Verification3-66. Verify the following:a. An audible alarm remains silenced.b. “Slashed bell” icon appears in each numeric f

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15-1SECTION 15: POWER SUPPLY - THEORY OF OPERATION15.1 Overview15.2 AC Mains Flyback Power Supply15.3 Battery Charger15.4 Buck Converter Operation

Section 15: Drawings15-2Figure 15-1: Power Supply Block DiagramControl logic on the power supply assembly is responsible for severalsystem functions

Section 15: Drawings15-315.2.1 OverviewThe AC (mains) power supply accepts 90 to 264 volts RMS at 47 to 63 Hz andprovides 18 volts DC at a maximum o

Section 15: Drawings15-4volts DC to the flyback circuit. A control IC runs the FET switch, while thetransformer (used as an inductor) stores energy

Section 15: Drawings15-515.3 BATTERY CHARGER15.3.1 OverviewThe NPB-4000/C power supply contains a battery charger circuit that acceptsDC input from

Section 15: Drawings15-6Switch current information comes from current transformer T2 that provides acurrent through R29, which is 1/100 of the main s

Section 15: Drawings15-7to the basic buck-converter diagram to prevent back driving of the circuit fromthe battery when not charging. Diode D20 acts

Section 15: Drawings15-8Controller U4 is a two-loop controller, current and voltage. Input currentinformation is supplied by transformer T4 which wi

Section 15: Drawings15-9Neither LED is driven until CVREF is up, indicating that sufficient power isreaching the charger.15.9 POWER SUPPLY CONTROL L

Section 3: Performance Verification3-7Note: A “*” indicates values that produce an alarm. Press the Alarm Silenceswitch to temporarily silence the a

Section 15: Drawings15-1015.10 ALARM SECTION15.10.1 Alarm ControlWhen the supply is first turned on, R82 tries to charge C54. During the 300-500mi

Section 15: Drawings15-1115.12.1 Watchdog ShutoffAnother shutdown path exists for the system supply. When the system supplybegins operation, PWRUP

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16-1SECTION 16: MP-205 SERVICE MANUAL (NPB P/N: 044540A-0296)16.1 Overview16.2 Module Description16.3 Circuit Description16.4 Interconnections16.

Section 16: MP-205 Service Manual; 044540A-029616-216.3 CIRCUIT DESCRIPTIONThis section provides service personnel with an explanation of the circuit

Section 16: MP-205 Service Manual; 044540A-029616-316.7 PreampThe current-to-voltage (I-to-V) converter has a gain of -249 K V/A and alow-pass corner

Section 16: MP-205 Service Manual; 044540A-029616-4The Red filter circuit components consist of U1A6-8, R19–21, R31, R34–37,C22, C29–30, and C37–38.

Section 16: MP-205 Service Manual; 044540A-029616-516.14 Power DecouplingThe power supply decoupling circuit consists of R29, R30, C16 through C18,C2

Section 16: MP-205 Service Manual; 044540A-029616-6Table 16-1: Oxichip Circuit Pin DescriptionsPin NamePin #,typeSignal DescriptionVSSA 13, AP Analog

Section 16: MP-205 Service Manual; 044540A-029616-7Table 16-1: Oxichip Circuit Pin DescriptionsPin NamePin #,typeSignal Description49, DI D1 Data bit

Covered by one or more of the following U.S. Patents and foreign equivalents: 4,621,643; 4,653,498; 4,700,708; 4,770,179; 4,869,254;5,078,136; 5,351,6

Section 3: Performance Verification3-83.3.4.2 Operation with an ECG Simulator1. With monitor off, connect ECG leads to appropriate jacks on ECG test

Section 16: MP-205 Service Manual; 044540A-029616-8Table 16-3: Reported ErrorsError # Error Description Recommended ActionE011 RAM error occurred(MP-

Section 16: MP-205 Service Manual; 044540A-029616-916.18.4 SRC-2 SettingsRate: 112Light: High2Modulation: LOWRemote/Local: RCAL 63Figure 16-1: Pream

Section 16: MP-205 Service Manual; 044540A-029616-1016.18.6 SRC-2 SettingsRate: 112Light: High2Modulation: HIGHRemote/Local: RCAL 63Figure 16-2: Fil

Section 16: MP-205 Service Manual; 044540A-029616-1116.18.8 SRC-2 SettingsRate: 112Light: High2Modulation: HIGHRemote/Local: DC RCAL 63Figure 16-3:

Section 16: MP-205 Service Manual; 044540A-029616-1216.18.10 SRC-2 SettingsRate: 112Light: High2Modulation: HIGHRemote/Local: DC RCAL 63Figure 16-4:

Section 16: MP-205 Service Manual; 044540A-029616-1316.18.11 SRC-2 SettingsRate: 112Light: High2Modulation: HIGHRemote/Local: DC RCAL 63Figure 16-5:

Section 16: MP-205 Service Manual; 044540A-029616-1416.19.3 Repackaging in a Different CartonIf the original carton is not available:1. Place module

Section 16: MP-205 Service Manual; 044540A-029616-1516.20.2 Measurement ConditionsSpO2 and pulse rate accuracy specifications apply under the followi

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17-1SECTION 17: DRAWINGS17.1 Overview17.2 List of Figures17. DRAWINGS17.1 OVERVIEWThis section contains circuit schematics for the NPB-4000/C pat

Section 3: Performance Verification3-914. Disconnect LL lead from ECG simulator.15. Verify “Leads Off” alarm message appears, three dashes are displ

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Section 17: Drawings17-3Figure 17-1MP-205 PCB Schematic (Sheet 1 of 2)

Section 17: Drawings17-5Figure 17-2MP-205 PCB Schematic (Sheet 2 of 2)

Section 17: Drawings17-7(PICO)MOTORMURS120T3D322.0K 5%R80100K1%R76515%R77TP64TP66TP650.01UF10%C461AF912P4 2P4 12N4401Q19213U153456SI9928DYPVENBVBATT10

Section 17: Drawings17-9SLO-BLO SLO-BLOSURGE LIMITER750MAF112 3 4750MAF212 3 4EXTERNAL DCP1 6LINE 1LINE 2EARTH GROUNDY CAPP1 2P1 1100PF10%C7CHASSISX C

Section 17: Drawings17-11Figure 17-5NPB-4000/C Main PCB Schematic (Sheet 1 of 3)FERRITE BEADBOARD MOUNTABLE U9U2U2U2U2U6U6U6U6U8U8U8U8X3U13RN1RN1RN1RN

Section 17: Drawings17-13Figure 17-6NPB-4000/C Main PCB Schematic (Sheet 2 of 3)32142134161161411 912765312411112365412365411 101212138961473189101237

Section 17: Drawings17-15Figure 17-7NPB-4000/C Main PCB Schematic (Sheet 3 of 3)BIN#Fc=4.5HzFc=1.6KHZFc=4.5HzFc=4.5Hz+5AD313131CAW=18W=36W=36Fc=33KHZC

Section 17: Drawings17-17Figure 17-8NPB-4000/C Interconnect DiagramJ212345678J8123456123456P1J10112345678910J41234JX11234567891011121313151617181920P4

Section 17: Drawings17-19Figure 17-9NPB-4000/C Color Motherboard Schematic1OE1A11A2GND81A31A4VCC41A51A6GND71A71A82A12A2GND62A32A4VCC32A52A6GND5A272A82

Section 3: Performance Verification3-103.3.4.4 Verification of Pneumatic SystemTests in paragraphs 3.3.4.4.1 through 3.3.4.4.5 verify the functionali

Section 3: Performance Verification3-116. Press Select button on simulator until simulator displays “Pressure SourceSet Test Pressure”.7. Use Up/Do

Section 3: Performance Verification3-127. Allow 15-20 seconds for pressure to stabilize.8. Record pressure displayed on NPB-4000/C.9. Initiate a 1-

Section 3: Performance Verification3-13Note: Additional NIBP tests may be performed at this time. If no further NIBPtests are to be conducted, turn

Section 3: Performance Verification3-143.3.4.4.5 Over-pressureThe over-pressure test verifies the functionality of the over-pressure reliefsystem of

Section 3: Performance Verification3-15Note: The accuracy of NPB-4000/C temperature measurements is ±0.1ø C(±0.2øF). In the procedure below, add the

Section 3: Performance Verification3-1614. Verify that blood pressure values are reasonable for subject.3.3.4.6.2 Serial Interface TestPerform the f

Section 3: Performance Verification3-176. Verify monitor is responding to SpO2 simulator signal and audible alarm issounding.Note: If desired, press

iiiTABLE OF CONTENTSList of FiguresList of TablesList of Figures...

Section 3: Performance Verification3-183.4.2.1 Earth Leakage CurrentThis test is in compliance with IEC 601-1 (earth Leakage current) and AAMIStandar

Section 3: Performance Verification3-19Table 3-5: Enclosure Leakage CurrentAC LineCordNeutral Line WirePower LineGroundWireIEC 601-1AAMI/ANSIES1Stand

Section 3: Performance Verification3-20Table 3-6: Patient Leakage Current ValuesTest ConditionAllowable LeakageCurrent (microamps)Normal polarity 10N

Section 3: Performance Verification3-21Table 3-7: Patient Leakage Current Values—Mains Voltage on Applied PartTest ConditionAllowable LeakageCurrent

Section 3: Performance Verification3-22Reversed Closed Open 50Reversed Open Normal 50Reversed Closed Normal 10Normal Closed Open 50Table 3-9: Allowa

4-1SECTION 4: POWER-UP DEFAULTS MENU AND DIAGNOSTIC MODE4.1 Introduction4.2 Power-up Defaults Menu4.3 Diagnostic Mode4. POWER-UP DEFAULTS MENU AND DI

Section 4: Power-up Defaults Menu and Diagnostic Mode4-2Table 4-1: Power-up Defaults MenuMENU ITEM CHOICES EXPLANATIONAccept Current Settingsas Power

Section 4: Power-up Defaults Menu and Diagnostic Mode4-3Table 4-1: Power-up Defaults MenuMENU ITEM CHOICES EXPLANATIONLanguage“English”“French”“Germa

Section 4: Power-up Defaults Menu and Diagnostic Mode4-4The Diagnostic Menu lists the test and system-related information screens.Selection of an item

Section 4: Power-up Defaults Menu and Diagnostic Mode4-5• System Software Version: Displays the revision level of the systemsoftware. The revision l

ContentsivSection 10: Introduction and System Description... 10-110.1 System Overview ...

Section 4: Power-up Defaults Menu and Diagnostic Mode4-64.3.4 NIPB TestAn NIBP Test screen is provided to facilitate troubleshooting problems andperf

5-1SECTION 5: TROUBLESHOOTING5.1 Introduction5.2 How to Use this Section5.3 Who Should Perform Repairs5.4 Replacement Level Supported5.5 Obtaining Rep

Section 5: Troubleshooting5-25.6 TROUBLESHOOTING GUIDEProblems with the NPB-4000/C are separated into the categories indicated inTable 5-1. Refer to

Section 5: Troubleshooting5-35.6.1 PowerTable 5-2 lists recommended actions to address power problems.Table 5-2: Power ProblemsCondition Recommended

Section 5: Troubleshooting5-45.6.2.1 Serviceable Hardware Error CodesListed in Error! Reference source not found. are error codes that correspond toh

Section 5: Troubleshooting5-5Table 5-3: Serviceable Hardware Error CodesHexCodeExplanation Recommended ActionA Measured value ofisolated referencesup

Section 5: Troubleshooting5-64. If Error Code screen indicates same error has occurred previously, takemonitor out of service and contact Mallinckrod

Section 5: Troubleshooting5-7Table 5-5: Switches/Knob ProblemsCondition Recommended Action1. NPB-4000/C fails topower-up whenOn/Standby switch ispre

Section 5: Troubleshooting5-85.6.4 Display/Audible TonesTable 5-6 lists recommended actions to address problems with the display andaudible tones.Tab

Section 5: Troubleshooting5-9Table 5-6: Display/Audible Tones ProblemsCondition Recommended Action3. Audible alarm doesnot sound.1. Verify alarm vo

Contentsv14.11 Knob Interface Control ... 14-1714.12 Push Button Control ...

Section 5: Troubleshooting5-10Table 5-7: Operational Performance ProblemsCondition Recommended Action3. Printer paper willadvance, but paperremains

6-1SECTION 6: DISASSEMBLY GUIDE6.1 Introduction6.2 How to Use this Section6.3 Disassembly Sequence Flow Charts6.4 Closed Case Disassembly Procedures6

Section 6: Disassembly Guide6-2The ovals on the flow charts contain reference designators that point to specificsteps in the Disassembly Procedures.

Section 6: Disassembly Guide6-36.3 DISASSEMBLY SEQUENCE FLOW CHARTSFigure 6-1: NPB-4000/C Disassembly Sequence Flow Chart, Sheet 1

Section 6: Disassembly Guide6-4Figure 6-2: NPB-4000/C Disassembly Sequence Flow Chart, Sheet 26.4 CLOSED CASE DISASSEMBLY PROCEDURESThis section des

Section 6: Disassembly Guide6-5Step A2ProcedureTo remove carrying handle:a) Use screwdriver to remove two fastening screws and washers. Retain forr

Section 6: Disassembly Guide6-66.5 FRONT CASE DISASSEMBLY PROCEDURESThis section describes the steps to separate the front and rear case assemblies,a

Section 6: Disassembly Guide6-7Procedured) Disconnect large ribbon-cable connector from main PCB.e) Unscrew NIBP tubing connector from pump to main

Section 6: Disassembly Guide6-8Step B3ProcedureTo remove main PCB:a) Disconnect connectors, from main PCB, for:• Switch panel• SpO2• ECG/Temp• Encod

Section 6: Disassembly Guide6-9Procedureb) Use screwdriver to remove six fastening screws around periphery of mainPCB. Retain fastening screws for r

ContentsviLIST OF FIGURESFigure 6-1: NPB-4000/C Disassembly Sequence Flow Chart, Sheet 1 ...6-3Figure 6-2: NPB-4000/C Disassembly Sequence

Section 6: Disassembly Guide6-106.6 REAR CASE DISASSEMBLY PROCEDURESThis section describes the items that may be removed/replaced on the rear caseass

Section 6: Disassembly Guide6-11Procedureb) Grasp strap, accessible through opening in top foam cover, and gently pullbattery from its housing.Illust

Section 6: Disassembly Guide6-12Step C2ProcedureTo remove battery housing:a) Remove battery as described in step C1. Carefully remove two foambatte

Section 6: Disassembly Guide6-13Procedured) On rear panel of monitor, remove three screws fastening battery housing.e) Carefully slide battery housi

Section 6: Disassembly Guide6-14Step C3ProcedureTo remove fuses:a) Remove AC power input fuses, as shown, using fuse pullers.IllustrationStep C4Pro

Section 6: Disassembly Guide6-15Procedureb) Carefully lift power supply assembly from rear case.c) Power supply assembly may be disassembled into th

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7-1SECTION 7: SPARE PARTS7.1 Introduction7. SPARE PARTS7.1 INTRODUCTIONSpare parts, along with part numbers, are shown in Table 7-1 through Table 7-

Section 7: Spare Parts7-2Figure 7-1: NPB-4000/C Top Assembly Drawing

Section 7: Spare Parts7-3Table 7-1: Top Assembly (Figure 7-1)ItemNo.DescriptionNPBPart No.StepRef.NPB-40002 Handle 047394 A2NPB-4000C2 Handle 047394

ContentsviiFigure 16-1: Preamplifier and PGA Outputs ...16-9Figure 16-2: Filter Outputs and ADC Inp

Section 7: Spare Parts7-4Figure 7-2: NPB-4000/C Front Case Assembly Diagram (Sheet 1 of 2)

Section 7: Spare Parts7-5Table 7-2: Front Case Assembly (Figure 7-2)ItemNo.DescriptionNPBPart No.StepRef.NPB-40001 Knob 044727 A15 SpO2 module 046085

Section 7: Spare Parts7-6Figure 7-3: NPB-4000/C Front Case Assembly Diagram (Sheet 2 of 2)

Section 7: Spare Parts7-7Table 7-3: Front Case Assembly (Figure 7-3)ItemNo.DescriptionNPBPart No.StepRef.NPB-40001 Knob 044727 A15 SpO2 module 046085

Section 7: Spare Parts7-8Figure 7-4: NPB-4000/C Rear Case Assembly Diagram (Sheet 1 of 2)

Section 7: Spare Parts7-9Table 7-4: Rear Case Assembly (Figure 7-4)ItemNo.DescriptionNPBPart No.StepRef.NPB-40003 Printer module 060480 A34 Plate, pr

Section 7: Spare Parts7-10Figure 7-5: NPB-4000/C Rear Case Assembly Diagram (Sheet 2 of 2)

Section 7: Spare Parts7-11Table 7-5: Rear Case Assembly (Figure 7-5)ItemNo.DescriptionNPBPart No.StepRef.NPB-40003 Printer module 060480 A34 Plate, p

Section 7: Spare Parts7-12Figure 7-6: NPB-4000/C Power Supply/Heat Sink Assembly Diagram

Section 7: Spare Parts7-13Table 7-6: Power Supply Assembly (Figure 7-6)ItemNo.DescriptionNPBPart No.StepRef.NPB-400022 Fuse, 0.75A, slo-blow, 250V, 5

ContentsviiiLIST OF TABLESTable 3-1: Required Test Equipment…………………………………. 3-1Table 3-2: Dynamic Operating Range………………………………… 3-7Table 3-3: Serial

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8-1SECTION 8: PACKING FOR SHIPMENT8.1 General Instructions8.2 Repackaging in Original Carton8.3 Repackaging in a Different Carton8. PACKING FOR SHIPM

Section 8: Packing for Shipment8-25. Seal the carton with packing tape.6. Label the carton with the shipping address, return address, and RGAnumber, i

9-1SECTION 9: SPECIFICATIONS9.1 Scope9.2 General9.3 Electrical9.4 Environmental9.5 Measuring Parameters9.6 Trends9. SPECIFICATIONS9.1 SCOPEThis sect

Section 9: Specifications9-2Protection Class: Class I, internally powered equipment:per IEC 601-1, clause 2.2.4Degree of Protection: Type CF: per IEC

Section 9: Specifications9-39.5 MEASURING PARAMETERS9.5.1 ECG Measurement/DisplayHeart Rate Range: 20 BPM - 250 BPMHeart Rate Accuracy: ±5 BPMBandwi

Section 9: Specifications9-4Response to irregularrhythm. 3.1.2.1(e)a) Ventricular bigeminy - 80 BPMb) Slow alternating ventricular bigeminy - 60 BP

Section 9: Specifications9-59.5.3 NIBP (Noninvasive Blood Pressure) Measurement/DisplayNote: Systolic and diastolic blood pressure measurements dete

Section 9: Specifications9-69.5.5 SpO2 Measurement/DisplayRange:Pulse Rate: 20 BPM to 250 BPM% Saturation: 0 % to 100%Accuracy:Pulse Rate: ±3 BPMSpO2

10-1SECTION 10: INTRODUCTION AND SYSTEM DESCRIPTION10.1 System Overview10.2 System Block Diagram10.3 ECG Processing10.4 Respiration Processing10.

1-1SECTION 1: INTRODUCTION1.1 Manual Overview1.2 Warnings, Cautions, and Notes1.3 NPB-4000/C Patient Monitor Description1.4 Related Documents1. INTRO

Section 10: Introduction and System Description10-2Figure 10-1: NPB-4000/C System Block Diagram10.2.1 Isolated Front EndThe Isolated Front End secti

Section 10: Introduction and System Description10-310.2.4 µP, Memory, and ControlThe microprocessor (µP), Memory, and Control section contains the sy

Section 10: Introduction and System Description10-4NPB-4000C. Pressing the Contrast switch changes the background color fromwhite to black or black t

Section 10: Introduction and System Description10-510.2.11 RecorderThe optional recorder (printer) module is installed in the right panel of themonit

Section 10: Introduction and System Description10-6The patient’s respiration is detected by using two of the three leads of the ECGelectrodes and cabl

Section 10: Introduction and System Description10-7The NPB-4000/C patient monitor is designed to accept the signals fromelectrically isolated Series 4

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11-1SECTION 11: ISOLATED FRONT END FUNCTIONS - THEORY OFOPERATION11.1 Block Diagram11.2 Overview11.3 Interface Circuit11.4 ECG11.5 Respiratory C

Section 11: Isolated Front End Functions -- Theory of Operation11-2Figure 11-2: Isolated Front End Block DiagramThe NPB-4000/C Front End module is a

Section 11: Isolated Front End Functions -- Theory of Operation11-3• Isolation is provided by optocouplers. A total of four optocouplers are usedfor