Nellcor Puritan Bennett NPB3900 Patient Monitor

To contact Nellcor Puritan Bennett's representative: In the United States, call I-8OO-NELLCOR or 510 463-4000;

outside the United States, call your local Nellcor Puritan Bennett representative. ^ ^

Caution: Federal law (U. S.) restricts this device to sale by or on the order of a physician. 0123

© 1998 Nellcor Puritan Bennett Inc. All Rights Reserved

047940A-0398

Corporate Headquarters

Nellcor Puritan Bennett Inc. 4280 Hacienda Drive Pleasanton, California 94588 U.S.A.

Tel. 510 463-3900 or 1-800-NELLTOR

U. S. Service Repair Center

Nellcor Puritan Bennett Inc. 2200 Faraday Avenue Carlsbad, California 92008 U.S.A.

Tel. 619 482-5000 European Office

Nellcor Puritan Bennett Europe BV Hambakenwetering 1 5231 DD 's-Hertogenbosch The Netherlands Tel. +31.73.6485200

Asia/Pacific Office

Nellcor Puritan Bennett HK Ltd.

Room 1602 Evergo House

38 Gloucester Road

Wanchai

Hong Kong

Tel. +852.2529.0363

Regional/Local Offices

Nellcor Puritan Bennett UK Ltd. 10, Talisman Business Centre London Road

Bicester, Oxfordshire OX6 0JX United Kingdom Tel. +44.1869.322700

Nellcor Puritan Bennett Belgium NV/SA Interleuvenlaan 62/8, Zone 2 B-3001 Heverlee Belgium

Tel. +32.16.400467

Nellcor Puritan Bennett France 3 avenue du Canada, Bâtiment Sigma LP851 Les Ulis 91975 Courtaboeuf Cedex France

Nellcor Puritan Bennett Germany GmbH Black-&-Decker-Strasse 28 65510 Idstein Germany

Tel. +49.6126.5930

Nellcor Puritan Bennett Italia S.r.L. Via Edison 6 20090 Assago (MI) Italy

Tel. +39.2.4577161

Nellcor Puritan Bennett Finland Oy Kappelitie 8 02200 Espoo Finland

To obtain information about a warranty, if any, for this product, contact Nellcor Puritan Bennett Technical Services or your local Nellcor Puritan Bennett representative.

Nellcor Puritan Bennett, Durasensor, Oxisensor II, Oxichip, C-Lock, and the Nellcor Puritan Bennett knob configuration are trademarks of Nellcor Puritan Bennett Incorporated.

SureTemp is a trademark of Welch Allyn, Inc.

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; 4,928,692; 4,934,372; 5,078,136; 5,368,224; 5,632,555; Re.35,122.

TABLE OF CONTENTS

List of Figures List of Tables

List of Figures v

List of Tables vi

Section 1: Introduction 1-1

1.1 Manual Overview 1-1

1.2 Warnings, Cautions, and Notes 1-1

1.3 NPB-3900 Patient Monitor Description 1-1

1.4 P-3900 Introduction 1-2

1.5 Related Documents 1-2

Section 2: Routine Maintenance 2-2

2.1 Cleaning 2-2

2.2 Periodic Safety and Functional Checks 2-2

2.4 Environmental Protection 2-3

Section 3: Performance Verification 3-1

3.1 Introduction 3-1

3.2 Equipment Needed 3-1

3.3 Performance Tests 3-2

3.4 Safety Tests 3-15

Section 4: Power-Up Defaults Menu and Diagnostic Mode 4-1

4.1 Introduction 4-1

4.2 Power-Up Defaults Menu 4-1

4.3 Restoring Factory Settings 4-4

4.4 Diagnostic Mode 4-4

Section 5: Troubleshooting 5-1

5.1 Introduction 5-1

5.2 How to use This Section 5-1

5.3 Who Should Perform Repairs 5-1

5.4 Replacement Level Supported 5-1

5.5 Obtaining Replacement Parts 5-2

5.6 Troubleshooting Guide 5-2

5.7 Troubleshooting the Oximetry Function 5-11

5.8 P-3900 Troubleshooting Guide 5-17

Section 6: Disassembly Guide 6-1

6.1 Introduction 6-1

6.3 Disassembly Flow Charts 6-2

6.4 Closed Case Disassembly 6-7

6.5 Front Case Disassembly 6-16

6.6 Rear Case Disassembly 6-20

6.7 Main PCB Disassembly 6-22

Section 7: Spare Parts 7-1

7.1 Introduction 7-1

7.2 Top Level Assembly 7-1

7.3 Front Case Assembly 7-2

7.4 Rear Case Assembly 7-2

7.5 Main PCB Assembly 7-3

7.6 P-3900 Printer 7-4

Section 8: Packing For Shipment 8-1

8.1 General Instructions 8-1

8.2 Repacking In Original Carton 8-1

8.3 Repacking In a Different Carton 8-1

Section 9: Specifications 9-1

9.2 Safety Standards 9-1

9.3 Electrical 9-2

9.4 Environmental 9-2

9.5 Measuring Parameters 9-2

9.6 Trends 9-7

9.7 P-3900 Printer (Optional) 9-7

Section 10: RS-232 Interface 10-1

10.1 Serial Interface Connection 10-1

10.2 Nurse Call 10-1

10.3 Exporting Trend Data 10-2

Appendix - Technical Supplement A-1

A-1 General A-1

A-2 Block Diagram A-1

A-3 Isolated Patient Connection Section A-2

A-4 Temperature Measurement Circuit A-4

A-5 ECG Inputs A-7

A-6 On/Off Power Control A-9

A-7 Audio Volume and Speaker Drive A-11

A-8 Power Supplies A-12

A-9 NIBP Section A-17

A-10 System A/D A-20

A-11 Buttons And Lights A-22

A-12 SpO2 A-22

A-13 Microcontroller A-28

A-14 Program Storage/Execution A-32

A-15 Dram Control A-33

A-16 Real Time Clock (RTC) A-34

A-17 Uart Operation A-36

A-18 FPGA Glue Logic A-37

LIST OF FIGURES

Figure 5-1: Preamplifier and PGA Outputs 5-12

Figure 5-2: Filter Outputs and ADC Input 5-513

Figure 5-3: SpO2 Module with an SRC-2 5-14

Figure 5-4: SpO2 Module with SRC-2 Drive Current Test at TP7 5-15

Figure 5-5: SpO2 Module with SRC-2 5-16

Figure 6-1: Top Level Disassembly Flow Chart. 6-Error! Bookmark not defined.

Figure 6-2: Front Case Disassembly Flow Chart 6-4

Figure 6-3: Rear Case Disassembly Flow Chart 6-5

Figure 6-4: Main Board Disassembly Flow Chart 6-6

Figure A-1: NPB-3900 Block Diagram A-2

Figure A-2: Temperature Measurement Circuit A-6

Figure A-3: ECG Processing Circuitry, First Stage A-8

Figure A-4: ECG Processing Circuitry, Second Stage A-9

Figure A-5: Power ON/OFF Circuitry A-10

Figure A-6: Watchdog Circuitry A-11

Figure A-7: Audio Volume Circuitry A-12

Figure A-8: Buck Power Regulator, Simplified Schematic & Waveforms A-13

Figure A-9: Battery Charger Circuitry A-14

Figure A-10: 3.3V Regulated Supply A-15

Figure A-11: 5V Regulated Supply Circuitry A-15

Figure A-12: LCD Bias Supply Circuitry A-16

Figure A-13: LCD Backlight Supply Circuitry A-16

Figure A-14: Isolated ±5V Supply Circuitry A-17

Figure A-15: NIBP Power Sourcing Circuitry A-17

Figure A-16: NIBP Pump Control Circuitry A-18

Figure A-17: NIBP Pressure Sensors Processing Circuitry A-19

Figure A-18: Proportional Valve Powering Circuitry A-20

Figure A-19: A/D Circuitry A-21

Figure A-20: Interfacing with SpO2 Processing A-23

Figure A-21: Microcontroller Signal Assignments A-29

Figure A-22: Flash Timing Parameters A-32

Figure A-23: DRAM Timing Parameters A-33

Figure A-24: RAS and CAS Timing A-34

Figure A-25: Read Timing A-35

Figure A-26: Write Timing A-35

Figure A-27: Data Signal A-37

Figure A-28: Control Signal A-37

Figure A-29: NPB-3900 Top Assembly Drawing (Sheet 1 of 2) A-43

Figure A-29: NPB-3900 Top Assembly Drawing (Sheet 2 of 2) A-45

Figure A-30: NPB-3900 Front Case Assembly Drawing (Sheet 1 of 2) A-47

Figure A-30: NPB-3900 Front Case Assembly Drawing (Sheet 2 of 2) A-49

Figure A-31: NPB-3900 Rear Case Assembly Drawing A-51

Figure A-32: P-3900 Assembly Drawing A-53

Figure A-33: NPB-3900 Interconnect Diagram A-55

Figure A-34: Main PCB Schematic Diagram (Sheet 1 of 5) A-57

Figure A-34: Main PCB Schematic Diagram (Sheet 2 of 5) A-59

Figure A-34: Main PCB Schematic Diagram (Sheet 3 of 5) A-61

Figure A-34: Main PCB Schematic Diagram (Sheet 4 of 5) A-63

Figure A-34: Main PCB Schematic Diagram (Sheet 5 of 5) A-65

Figure A-35: NPB-3900Patient Connector PCB Schematic Diagram A-67

LIST OF TABLES

Table 1-1: Model Configuration 1-2

Table 3-1: Required Test Equipment 3-1

Table 3-2: SRC Settings and NBP-3900 Indications 3-6

Table 3-3: Serial Interface Measurements 3-13

Table 3-4: Current Test 3-16

Table 3-5: Leakage Current 3-16

Table 4-1: Power-Up Defaults Menu 4-1

Table 4-2: A/D Channel Designators 4-7

Table 5-1: Problem Categories 5-2

Table 5-2: Power Problems 5-3

Table 5-3: Serviceable Hardware Error Codes 5-5

Table 5-4: Error Code Categories 5-8

Table 5-5: Buttons/Knob Problems 5-9

Table 5-6: Display/Audible Tones Problems 5-9

Table 5-7: Operational Performance Problems 5-10

Table 5-8: Fault Evaluation 5-11

Table 5-9: P-3900 Troubleshooting Guide 5-17

Table 7-1: Top Level Assembly 7-1

Table 7-2: Front Case Assembly 7-2

Table 7-3: Rear Case Assembly 7-2

Table 7-4: Main Board Assembly 7-3

Table 7-5: Main PCB Jumper Configuration 7-3

Table 7-5: P-3900 Printer 7-4

Table 10-1: RS-232 Serial Interface Connections 7-1

Table A-1: Oxichip Circuit Pin Descriptions A-23

+1 0

Post a comment