4 Replacement Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 4-iii
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