Welch Allyn CP 200 - Disassembly and Repair Procedures

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Troubleshooting

Problem-Solving Suggestions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Service Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Main Page

Table of Contents3
Safety Summary7
Introduction8
Symbols8
Servicing the Electrocardiograph Safely10
General Warnings10
Electrostatic Discharge (ESD)11
General Cautions12
Overview13
Purpose and Scope14
Service Options14
Warranty Service14
Non-Warranty Service14
Technical Support Services15
Returning Products15
Product Configurations16
Recommended Service Intervals16
Controls, Indicators, and Connectors17
System Settings" Menu Tree22
About the Main Menu23
Moving through the Menus24
Reviewing the Device Information25
CP 100 and CP 200 Electrocardiograph26
Service Menus26
Entering the Service Info Screen26
Print Log27
Battery Life Test28
Printer Test28
Export Files29
Import Files30
Delete Files30
Serial Number31
Lead off Threshold31
Service Tests31
Functional Verification35
Functional Verification Overview36
Full Functional Check36
Equipment Required36
Operating/Non-Printing Mode Current Test36
Battery Accuracy Test37
Sleep/Standby Mode Current Test37
Charger Detect Test37
LED Test38
LCD Test38
Set Unit Initial Configuration/Sd Slot Test38
ECG Communication Test (ECG Input Test and Lead Off)39
Spirometer Communication Test39
USB Communications Test40
Beeper Test40
Keyboard Test41
Printer Test41
Dielectric Strength Test44
Hi-Pot Test Connections45
Chassis, Earth and Patient Leakage Current Tests45
Checklist and Test Results Report Form46
Troubleshooting47
Problem-Solving Suggestions48
Limited Warranty51
Service Policy52
Disassembly and Repair Procedures53
Introduction54
Screws54
Torque Specs54
Disassembly Procedures55
Opening the Unit55
Replacing the Printer Assembly56
Replacing the Paper Tray Cover58
Replacing the Platen Roller60
Replacing the Printhead61
Replacing the Stepper Motor and Gear Box63
Replacing the Battery or Fuse64
Replacing the Battery (DC) Fuse66
Replacing the Main Board67
Replacing the Power Supply68
Replacing the IEC (AC Input) Connector69
Replacing the LCD Inverter and LCD Assembly (CP 200)70
Replacing the Function Keypad Assembly (CP 200)71
Replacing the Keyboard Assembly (CP 200)72
Replacing the LCD Assembly (CP 100)73
Replacing the Keyboard Assembly (CP 100)74
Field Replaceable Parts75
Introduction75
Field Replacement Parts76
A - Specifications83
B - EMC Guidance and Manufacturer's Declarations85
C - Software Updates89
D - Interconnect Diagrams91
CP 200 Interconnect Diagram92
CP 100 Interconnect Diagram93

Welch Allyn CP 200 - Disassembly and Repair Procedures

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