Toshiba QOSMIO F20

4 Replacement Procedures
QOSMIO F20 Maintenance Manual (960-526) [CONFIDENTIAL] 4-iii
Chapter 4 Contents
4.1 Overview....................................................................................................................4-1
Safety Precautions................................................................................................4-2
Before You Begin ................................................................................................4-3
Disassembly Procedure........................................................................................4-4
Assembly Procedure ............................................................................................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/Bridge Media ..........................................................................4-8
4.2.1 Battery pack.............................................................................................4-8
4.2.2 PC card..................................................................................................4-10
4.2.3 Bridge media .........................................................................................4-11
4.3 HDD.........................................................................................................................4-12
4.4 Memory module .......................................................................................................4-15
4.5 MDC.........................................................................................................................4-17
4.6 Keyboard..................................................................................................................4-18
4.7 Switch membrane.....................................................................................................4-22
4.8 Display assembly .....................................................................................................4-23
4.9 Wireless LAN card...................................................................................................4-31
4.10 RTC battery..............................................................................................................4-32
4.11 UA board..................................................................................................................4-33
4.12 Optical drive.............................................................................................................4-35
4.13 Fan............................................................................................................................4-37
4.14 System board............................................................................................................4-38
4.15 TV tuner module ......................................................................................................4-42
4.16 GPU heat sink/VG board .........................................................................................4-44
4.17 CPU heat sink/CPU..................................................................................................4-46
4.18 USB board/Speaker..................................................................................................4-49