4 Replacement Procedures

 

 

 

Chapter 4

Contents

 

4.1

Overview

....................................................................................................................

4-1

 

Safety Precautions

4-2

 

Before You Begin

4-3

 

Disassembly Procedures

4-4

 

Assembly Procedures

4-5

 

Tools and Equipment

4-5

 

Screw Tightening Torque

4-6

 

Grip Color

4-6

 

Screw Notation

4-7

4.2

Battery Pack/PC Card

4-8

 

4.2.1

Battery Pack

4-8

 

4.2.2 PC Card

4-10

4.3

Memory Module

4-11

4.4

MDC

4-14

4.5

HDD

4-16

4.6

Wireless LAN Card

4-19

4.7

Cooling Fin/CPU

4-21

4.8

Keyboard

..................................................................................................................

4-26

4.9

Switch Membrane Board

4-30

4.10

Optical Drive

4-32

4.11

Display Assembly

4-34

4.12

Sound Board

4-38

4.13

Parallel port board/Serial port board/S-Video board

4-39

4.14

FAN

4-46

4.15

System Board/DC-IN Jack/RTC Battery

4-47

4.16

PC card cover

4-50

4.17

Battery Latch

4-51

4.18

Battery Lock

4-53

4.19

Touch Pad

4-55

4.20

LCD Unit/FL Inverter

4-57

Satellite A50S/TECRA A3X Maintenance Manual (960-534)

[CONFIDENTIAL]

4-iii

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Image 219
Toshiba A3X manual Overview, Parallel port board/Serial port board/S-Video board