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NELLCOR NPB-4000C
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Manuals and User Guides for Mallinckrodt NELLCOR NPB-4000C. We have
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Mallinckrodt NELLCOR NPB-4000C manual available for free PDF download: Service Manual
Mallinckrodt NELLCOR NPB-4000C Service Manual (219 pages)
Patient Monitor
Brand:
Mallinckrodt
| Category:
Monitor
| Size: 7.89 MB
Table of Contents
Table of Contents
3
List of Figures
6
List of Tables
8
Section 1: Introduction
9
Manual Overview
9
Warnings, Cautions, and Notes
9
NPB-4000/C Patient Monitor Description
9
Related Documents
10
Section 2: Routine Maintenance
11
Cleaning
11
Periodic Safety and Functional Checks
11
Batteries
12
Environmental Protection
12
Section 3: Performance Verification
13
Introduction
13
Equipment Needed
13
Table 3-1: Required Test Equipment
13
Performance Tests
14
Table 3-2: Dynamic Operating Range
19
Table 3-3: Serial Port Voltage
28
Safety Tests
29
Table 3-4: Earth Leakage Current Values
30
Table 3-5: Enclosure Leakage Current
31
Table 3-6: Patient Leakage Current Values
32
Table 3-7: Patient Leakage Current Values - Mains Voltage
33
Table 3-8: Test Lead Combinations
33
Table 3-9: Allowable Leakage Current
34
Section 4: Power-Up Defaults Menu and Diagnostic Mode
35
Introduction
35
Power-Up Defaults Menu
35
Table 4-1: Power-Up Defaults Menu
36
Diagnostic Mode
37
Table 4-2: A/D Channel Designators
39
Section 5: Troubleshooting
41
Introduction
41
How to Use this Section
41
Who Should Perform Repairs
41
Replacement Level Supported
41
Obtaining Replacement Parts
41
Troubleshooting Guide
42
Table 5-1: Problem Categories
42
Table 5-2: Power Problems
43
Table 5-3: Serviceable Hardware Error Codes
44
Table 5-4: Error Code Categories
46
Table 5-5: Switches/Knob Problems
47
Table 5-6: Display/Audible Tones Problems
48
Table 5-7: Operational Performance Problems
49
Section 6: Disassembly Guide
51
Introduction
51
How to Use this Section
51
Disassembly Sequence Flow Charts
53
Closed Case Disassembly Procedures
54
Front Case Disassembly Procedures
56
Rear Case Disassembly Procedures
60
Section 7: Spare Parts
67
Introduction
67
Table 7-1: Top Assembly (Figure 7-1)
69
Table 7-2: Front Case Assembly (Figure 7-2)
71
Table 7-3: Front Case Assembly (Figure 7-3)
73
Table 7-4: Rear Case Assembly (Figure 7-4)
75
Table 7-5: Rear Case Assembly (Figure 7-5)
77
Table 7-6: Power Supply Assembly (Figure 7-6)
79
Table 7-7: NPB-4000/C Accessories
79
Section 8: Packing for Shipment
81
General Instructions
81
Repacking in Original Carton
81
Repacking in a Different Carton
81
Section 9: Specifications
83
Scope
83
General
83
Electrical
84
Environmental
84
Measuring Parameters
85
Trends
88
Section 10: Introduction and System Description
89
System Overview
89
System Block Diagram
89
ECG Processing
93
NIBP Processing
94
Spo 2 Processing
94
Temperature Processing
94
Section 11: Isolated Front End Functions - Theory of Operation
97
Block Diagram
97
Overview
98
Interface Circuit
100
Ecg
101
Respiratory Circuit
103
Temperature Circuit
103
Optocouplers
104
Controls
105
A/D Converter
106
Isolated Power Supply
108
Spo 2 Board
108
Isolation
108
Section 12: NIBP - Theory of Operation
109
NIBP System Overview
109
The Pneumatic Assembly
111
NIBP Hardware
111
Section 13: Microprocessor Computer and Control
115
Theory of Operation
115
General
115
Power Supply Connections
116
NIBP Processing
118
Recorder Operation
119
Isolated Front End Interface
121
Serial Port Interface
122
CPU Connections
123
DRAM Control
126
FLASH Control
128
LCD Display
130
Real-Time Clock (RTC)
132
DUART Control
133
Knob Interface Control
133
Switch Control
134
Miscellaneous Control - CS5
134
Digital Schematic Figure 17-5 through Figure 17-7
137
Current Drain of Digital Electronics
139
Section 14: Main Color Board Digital Theory of Operation
141
General
141
Power Supply Connections
143
CPU Connections
145
LNA 386EX Connections
147
CPU Timing Signals
147
DRAM Control
148
FLASH Control
150
LCD Display
152
Real Time Clock (RTC)
155
DUART Control
156
Knob Interface Control
157
Push Button Control
157
Miscellaneous Control - CS5
157
Speaker
160
NIBP (Non Invasive Blood Pressure) Control
160
Front End Interface
164
Digital Schematic
166
Block Diagram
177
Current Drain of Digital Electronics
179
Section 15: Power Supply - Theory of Operation
181
Overview
181
AC Mains Flyback Power Supply
182
Battery Charger
185
Buck Converter Operation
185
Power Devices
186
Miscellaneous Control
187
System Power Supply
187
Mains (AC) Led Operation
188
Power Supply Control Logic
189
Alarm Section
190
NIBP Pump Control
190
Safety Devices
190
Section 16: MP-205 Service Manual (Npb P/N: 044540A-0296)
193
Overview
193
Module Descripton
193
Circuit Description
194
Interconnections
194
Sensor Interconnect
194
Oxichip Circuit
194
Preamp
195
Programmable Gain Amplifier (PGA), Demodulator and Demultiplexer
195
Filters and Level Shifter
195
LED Driver
196
Reset Schmitt Trigger
196
High Resolution A/D Converter
196
Input Filter
196
Power Decoupling
197
Status and Timing
197
Analog Power Regulation
197
Microcontroller
197
Table 16-1: Oxichip Circuit Pin Descriptions
197
Troubleshooting the MP-205
199
Table 16-2: Fault Evaluation
199
Table 16-3: Reported Errors
200
Packing for Shipment
205
MP205 Specifications
206
Section 17: Drawings
209
Overview
209
List of Figures
209
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