Chapter 4
4.1
Overview....................................................................................................................144
Safety Precautions ................................................................................................145
Before You Begin ................................................................................................146
Disassembly Procedure........................................................................................147
Assembly Procedure ............................................................................................148
Tools and Equipment ...........................................................................................148
Grip Color ............................................................................................................149
Screw Notation.....................................................................................................150
4.2
Battery pack ...............................................................................................................151
4.3
PC card.......................................................................................................................154
4.4
HDD...........................................................................................................................156
4.5
Wireless LAN card ....................................................................................................160
4.6
Memory module.........................................................................................................162
4.7
Keyboard....................................................................................................................165
4.8
LED Board .................................................................................................................169
4.9
Optical disk drive.......................................................................................................171
4.10
Display assembly .......................................................................................................175
4.11
Cover assembly..........................................................................................................181
4.12
Touch pad...................................................................................................................186
4.20
System board..............................................................................................................188
4.21
CPU............................................................................................................................190
Satellite L20 Maintenance Manual(960-Q01)
Contents
Replacement Procedures
4-iii