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viii PORTEGE M300 Maintenance Manual (960-504)
3.31 Sound Test Program................................................................................................. 3-88
3.32 SETUP ..................................................................................................................... 3-94
Chapter 4 Replacement Procedures
4.1 General....................................................................................................................... 4-1
4.2 Battery Pack............................................................................................................... 4-8
4.3 PC Card /SD card /CF card...................................................................................... 4-10
4.4 HDD......................................................................................................................... 4-14
4.5 Memory module....................................................................................................... 4-17
4.6 Keyboard.................................................................................................................. 4-19
4.7 Switch membrane..................................................................................................... 4-22
4.8 Bluetooth.................................................................................................................. 4-24
4.9 Optical drive ............................................................................................................ 4-25
4.10 Display assembly ..................................................................................................... 4-28
4.11 Speaker..................................................................................................................... 4-35
4.12 Touch pad................................................................................................................. 4-36
4.13 Wireless LAN card .................................................................................................. 4-38
4.14 RTC battery.............................................................................................................. 4-39
4.15 LAN jack.................................................................................................................. 4-40
4.16 System board............................................................................................................ 4-41
4.17 Microphone.............................................................................................................. 4-43
4.18 Fan............................................................................................................................ 4-44
4.19 Cooling fin ............................................................................................................... 4-45
4.20 HDD FPC................................................................................................................. 4-47
4.21 Modem ..................................................................................................................... 4-48
4.22 DC-IN jack............................................................................................................... 4-50
4.23 PC card slot cover.................................................................................................... 4-51
4.24 Display latch ............................................................................................................ 4-53
4.25 Battery lock/Battery latch........................................................................................ 4-55
4.26 LCD mask ................................................................................................................ 4-56
4.27 LCD unit/FL inverter............................................................................................... 4-58
4.28 PC card slot cover.................................................................................................... 4-63