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Chapter 3
2.
Release the speaker cable from its lower case latches.
3.
Remove the speakers from th
e lower case.
Acer TM 4520 SG.book Page 56
Friday, June
22, 2007 5:43 PM
Contents
Main
Page
Copyright
Disclaimer
Conventions
Service Guide Coverage
FRU Information
Page
System Tour 1 1 Chapter 1 1 1
System Utilities 13 Chapter 2 13 13
System Disassembly 27 Chapter 3 27
System Troubleshooting 65 Chapter 4 65
System Block Diagram and Board Layout 83 Chapter 5 83 83
FRU (Field Replaceable Unit) List 87 Chapter 6 87
TravelMate 4520 Series Model Configurations 107 Appendix A 107
Page
Page
System Tour
Chapter 1
Features
Computing platform
Memory
Display and graphics
Audio
Communications
Keyboard and special keys
I/O interface
Status indicators
Power subsystem
System security and compliance features
Software
Physical specifications
Environmental specifications
Accessories
TravelMate Tour
Open Front View
Close Front View
Left View
Right View
Rear View
Base View
Status Indicators
Easy-launch Keys
Productivity Keys
System Utilities
Chapter 2
Phoenix TrustedCore Setup Utility
Accessing the Setup Utility
Navigating Through the Setup Utility
Setup Utility Menus
Information
Main
Security
Setting a system password
Page
Page
Page
Exit
BIOS Flash Utility
BIOS Flash Precautions
To flash the BIOS:
BIOS Recovery
To perform BIOS recovery:
Launch Manager
To configure an easy-launch key:
Page
System Disassembly
Disassembly Tools
Stages of the Disassembly Process
Equivalent Torque Values
Chapter 3
System Screw List
Pre-disassembly Procedure
External Modules Disassembly
External Modules Disassembly Flowchart
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Main Unit Disassembly
Main Unit Disassembly Flowchart
Page
Page
Page
Page
Page
Removing the Upper Case
Page
Removing the LED Board
Page
Page
Page
Page
Page
Page
Page
LCD Module Disassembly
LCD Module Disassembly Flowchart
Page
Page
Page
Page
Page
Page
Page
System Troubleshooting
Chapter 4
Hardware Diagnostic Procedure
System Check Procedures
External Diskette Drive Check
External CD-ROM Drive Check
Keyboard or Auxiliary Input Device Check
Memory Check
Power System Check
Check the AC Adapter
Check the Battery Pack
Touchpad Check
POST Error Indicators
POST Error Message
Error Code List
Error Message List
System Error No Beep
POST Beep Codes
Page
Page
Page
Page
Index of Symptom-to-FRU Error Message
LCD-related Symptoms
Power-related Symptoms
Memory-related Symptom
Audio-related Symptoms
Power Management-related Symptoms
I/O-related Symptoms
Intermittent Problems
Undetermined Problems
Online Support Information
Page
System Board Layout
Top View
Bottom View
Page
FRU (Field Replaceable Unit) List
Chapter 6
Chapter 6 87
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
TravelMate 4520 Series Model Configurations
Appendix A
Model A (TravelMate 4220)
Model B (TravelMate 4520)
Model C (TravelMate 4520)
Model D (TravelMate 4520)
Model E (TravelMate 4520)
Page
Test Compatible Components
Appendix B
Appendix B 113
114 Appendix B
Appendix B 115
116 Appendix B
Games and Software Compatibility Tests
Technical Specifications
Appendix C
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Index
