Toshiba Satellite A50S Series - Page 8

viii [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-
534)
3.29 LAN/Modem/Bluetooth/IEEE1394 Test Program ..................................................3-70
3.30 Sound Test program.................................................................................................3-84
3.31 SETUP .....................................................................................................................3-90
Chapter 4 Replacement Procedures
4.1 Overview....................................................................................................................4-1
4.2 Battery Pack/PC Card ................................................................................................4-8
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
4.21 Latch Assembly .......................................................................................................4-61
4.22 Wireless LAN Antenna/Speaker/Hinge...................................................................4-62
4.23 Fluorescent Lamp.....................................................................................................4-71
Appendices
Appendix A Handling the LCD Module ........................................................................ A-1
Appendix B Board Layout ............................................................................................. B-1