User Guide

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 Modem........................................................................................................... 4-13
4.5 HDD......................................................................................................................... 4-15
4.6 Mini PCI Card.......................................................................................................... 4-18
4.7 Cooling Fin/CPU ..................................................................................................... 4-20
4.8 Keyboard.................................................................................................................. 4-25
4.9 Switch Board............................................................................................................ 4-29
4.10 Optical Drive............................................................................................................ 4-31
4.11 Display Assembly .................................................................................................... 4-33
4.12 Sound Board............................................................................................................. 4-37
4.13 Connector Board ...................................................................................................... 4-38
4.14 FAN.......................................................................................................................... 4-40
4.15 System Board/DC-IN Jack/RTC Battery................................................................. 4-41
4.16 Battery Latch............................................................................................................ 4-44
4.17 Battery Lock............................................................................................................. 4-46
4.18 Touch Pad ............................................................................................................... 4-48
4.19 LCD Unit/FL Inverter.............................................................................................. 4-50
4.20 Latch Assembly ....................................................................................................... 4-56
Satellite A50/TECRA A2 Maintenance Manual (960-478) 4-iii