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Nellcor N-20PA
Mallinckrodt Nellcor N-20PA Manuals
Manuals and User Guides for Mallinckrodt Nellcor N-20PA. We have
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Mallinckrodt Nellcor N-20PA manual available for free PDF download: Service Manual
Mallinckrodt Nellcor N-20PA Service Manual (92 pages)
Portable Pulse Oximeter
Brand:
Mallinckrodt
| Category:
Medical Equipment
| Size: 1 MB
Table of Contents
Table of Contents
3
Figures
4
Tables
5
SECTION 1: Introduction
7
Manual Overview
7
Warnings, Cautions, and Notes
7
Description of the N-20PA Portable Pulse Oximeter
7
SECTION 2: Routine Maintenance
9
Overview
9
Cleaning
9
Periodic Safety and Functional Checks
9
Battery
9
SECTION 3: Performance VERIFICATION
11
Introduction
11
Required Tools and Equipment
11
Performance Tests
11
SECTION 4: Troubleshooting
27
Introduction
27
How to Use this Section
27
Who Should Perform Repairs
27
Replacement Level Supported
27
Obtaining Replacement Parts
27
Troubleshooting Guide
27
SECTION 5: Disassembly Guide
37
Introduction
37
Beginning Disassembly
37
Figure 5-1: Sensor Lock, Printer, Paper, and Battery Access Doors
37
Figure 5-2: N-20PA Covers with the PCB and Display Assembly
38
Figure 5-3: Main, Auxiliary, and Display PCB Assembly
39
Disassemblying the Printer/Flex Circuit Assembly
40
Figure 5-4: Printer and Flex Circuit Assembly
40
SECTION 6: Spare Parts
41
Introduction
41
Spare Parts List
41
SECTION 7: Packing for Shipment
43
General Instructions
43
Repacking in Original Carton
43
Repacking in a Different Carton
43
SECTION 8: Specifications
45
Performance
45
Alarms
45
Electrical
46
Environmental
46
Physical
47
SECTION 9: Technical Supplement
49
Introduction
49
Functional Overview
49
Figure 9-1: Overall Block Diagram
49
Figure 9-3: N-20PA Hardware Block Diagram
51
Figure 9-4: Power Supply Block Diagram
52
Figure 9-5: Display Control Block Diagram
52
Definition of Terms
53
Figure 9-6: Printer Control Block Diagram
53
Overall Block Diagram
54
Spo 2 Analog Circuitry
54
Figure 9-7: Spo2 Analog Circuitry Block Diagram
55
Figure 9-9: Differential Synchronous Demodulation Circuit
57
Figure 9-11: Variable Gain Circuit
58
Figure 9-12: Filtering Circuit
59
Digital Circuitry
60
Figure 9-14: Digital Circuitry Block Diagram
61
Figure 9-16: Address Demultiplexing Circuit
63
Figure 9-17: Address Decoding Circuit
64
Circuit Illustrations
79
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Mallinckrodt Categories
Medical Equipment
Monitor
Measuring Instruments
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