4 Replacement Procedures
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............................................................................................................... 4-8
4.3 ExpressCard & PC card / Bridge media ..................................................................4-10
4.3.1 ExpressCard & PC card ........................................................................4-10
4.3.2 Bridge media......................................................................................... 4-12
4.4 HDD......................................................................................................................... 4-13
4.5 MDC ........................................................................................................................4-17
4.6 Memory module....................................................................................................... 4-19
4.7 Keyboard.................................................................................................................. 4-21
4.8 Bottom cover assembly............................................................................................4-24
4.9 LAN jack..................................................................................................................4-29
4.10 Speaker (L) & Modem jack .....................................................................................4-30
4.11 AV-IN board............................................................................................................ 4-32
4.12 Battery latch assembly.............................................................................................4-33
4.13 Optical disk drive.....................................................................................................4-35
4.13.1 Replacing the optical disk drive ............................................................4-35
4.13.2 Ejecting the optical disk ........................................................................ 4-37
4.14 SJ board / Internal Microphone................................................................................ 4-39
4.14.1 SJ board.................................................................................................4-39
4.14.2 Internal Microphone..............................................................................4-41
4.15 Sound board............................................................................................................. 4-42
4.16 Power SW board......................................................................................................4-44
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL] 4-iii