Toshiba Personal Computer Satellite A80 Maintenance Manual

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Satellite A80 Maintenance Manual v
Conventions
This manual uses the following formats to describe, identify, and highlight terms and operating
procedures.

Acronyms
On the first appearance and whenever necessary for clarification acronyms are enclosed in
parentheses following their definition. For example:

Read Only Memory (ROM)
Keys
Keys are used in the text to describe many operations. The key top symbol as it appears on the
keyboard is printed in boldface type.

Key operation
Some operations require you to simultaneously use two or more keys. We identify such
operations by the key top symbols separated by a plus (+) sign. For example, Ctrl + Pause
(Break) means you must hold down Ctrl and at the same time press Pause (Break). If
three keys are used, hold down the first two and at the same time press the third.

User input
Text that you are instructed to type in is shown in the boldface type below:
DISKCOPY A: B:

The display
Text generated by the computer that appears on its display is presented in the type face below:

Format complete
System transferred

vi Satellite A80 Maintenance Manual


Table of Contents
Chapter 1 Hardware Overview
1.1 Features 1-1
1.2 System Unit 1-6
1.3 2.5-inch Hard Disk Drive 1-10
1.4 Removable Drives 1-11
1.5 Power Supply 1-15
1.6 Batteries 1-17

Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting Introduction 2-1Error! Bookmark not defined.
2.2 Troubleshooting Flowchart 2-2Error! Bookmark not defined.
2.3 Power Supply Troubleshooting 2-7Error! Bookmark not defined.
2.4 Display Troubleshooting ……….2-12Error! Bookmark not defined.
2.5 Keyboard Troubleshooting 2-15
2.6 External USB Devices Troubleshooting 2-17
2.7 TV-Out Failure Troubleshooting 2-19
2.8 Printer Port Troubleshooting 2-21
2.9 TouchPad Troubleshooting 2-23
2.10 Speaker Troubleshooting 2-25
2.11 Modem Troubleshooting 2-27
2.12 PCMCIA Troubleshooting 2-29
2.13 IEEE 1394 Troubleshooting 2-31
2.14 Wireless LAN Troubleshooting 2-33

Satellite A80 Maintenance Manual vii
Chapter 3 Tests and Diagnostics
3.1 The Diagnostic Test 3-1
3.2 Executing the Diagnostic Test 3-2
3.3 Config Check Test 3-6
3.4 DMI Check Test 3-7
3.5 Speaker Audio Test 3-8
3.6 Fan ON/OFF Test 3-9
3.7 Main Battery Charge Test 3-10
3.8 Fan ON/OFF Test 3-11
3.9 Main Battery Charge Test 3-12
3.10 FDD Test 3-13
3.11 CD-ROM Test 3-14
3.12 Keyboard Test 3-15
3.13 Mouse (Pad) Test 3-17
3.14 LCD Pixels Mode Test 3-19
3.15 Lid Switch Test 3-20
3.16 HDD R/W Test 3-21
3.17 LAN Test 3-23
3.18 RTC Test 3-25
3.19 CD Control Button Test 3-26

viii Satellite A80 Maintenance Manual

Chapter 4 Replacement Procedures
4.1 General 4-1
4.2 Battery 4-7
4.3 PC Card 4-9
4.4 HDD 4-11
4.5 Optical Drive Module 4-13
4.6 Optical Drive 4-15
4.7 Wireless LAN Unit 4-17
4.8 Expansion Memory 4-20
4.9 Keyboard 4-23
4.10 Modem 4-26
4.11 Display Assembly 4-28
4.12 Touch Cover 4-31
4.13 Touch Pad 4-34
4.14 Speakers 4-36
4.15 System Board 4-37
4.16 Fan, Heat Sink, & CPU 4-39
4.17 Display Mask 4-42
4.18 LCD Module 4-44
4.19 FL Inverter Board 4-47

Satellite A80 Maintenance Manual ix
Appendices
Appendix A Handling the LCD Module A-1
Appendix B Board Layout B-1
Appendix C Pin Assignments C-1
Appendix D Keyboard Scan/Character Codes D-1
Appendix E Key Layout E-1
Appendix F Series Screw Torque List F-1
Appendix G Reliability G-1

Chapter 1
Hardware Overview
1
1 Hardware Overview
1-ii Satellite A80 Series Maintenance Manual

1 Hardware Overview
Satellite A80 Series Maintenance Manual 1-iii
Chapter 1 Contents

1.1 Features 1-1
1.2 System Unit 1-6
1.3 2.5-inch Hard Disk Drive 1-10
1.4 Removable Drives 1-11
1.4.1 DVD-R/-RW Drive Error! Bookmark not defined.
1.4.2 DVD-ROM Drive 1-11
1.4.3 CD-ROM Drive 1-11
1.4.4 DVD±R/±RW Drive 1-11
1.4.5 DVD Super Multi Drive 1-13
1.5 Power Supply 1-11
1.6 Batteries 1-17
1.6.1 Main Battery 1-17
1.6.2 RTC battery 1-18

1 Hardware Overview
1-iv Satellite A80 Series Maintenance Manual


1.1 Features 1 Hardware Overview
Satellite A80 Series Maintenance Manual 1-1
1.1 Features
The Satellite A80 Series Personal Computer uses extensive Large Scale Integration (LSI), and
Complementary Metal-Oxide Semiconductor (CMOS) technology extensively to provide
compact size, minimum weight and high reliability.

This computer incorporates the following features and benefits:

? CPU
? Intel Celeron M CPU up to 1.5GHZ 0.09u, 1M 1.2 cache, FSB 400MHz
? Intel Pentium M CPU up to 2.13GHz 0.09u, 2M 1.2 cache, FSB 533MHz
? Micro FC-PGA package CPU
? Chipset
Intel:
? Mobile Intel® 915GM Express Chipset
? Mobile Intel® 910GML Express Chipset up to 128MB
? Mobile Intel® 915PM Express Chipset
ATI:
? MOBILITYTM RADEON® X600 with 64MB or 128MB
? MOBILITYTM RADEON® X300 with 32MB, 64MB, or 128MB.
NVIDIA:
? GeForceTM Go 6600 GPU with 64MB or 128MB
? GeForceTM Go 6200 GPU with Turbo Cache with 32MB or 64MB for local cache
? Memory
? On board with two 200-pin +2.5V SO-DIMM connector, supporting, DDR
memories card. Maximum up gradable to 2GB by two 1GB SO-DIMM module.
? 1MB/2MB L2 Cache on CPU
? Support 8MB UMA VGA Memory
? Support Maximum 128MB UMA VGA Memory allocation for more than 256MB
System Memory
? Support Maximum 64MB UMA VGA Memory allocation for 128MB System
Memory
? External 32MB/64MB/128MB VGA Memory for NVIDIA and ATI Graphic model