Toshiba satellite A20 series Maintenance Manual page 9

4.3 Optional PC Card..................................................................................................... 4-11
4.4 Optional SD Card..................................................................................................... 4-13
4.5 HDD......................................................................................................................... 4-14
4.6 Modem Daughter Card ............................................................................................ 4-18
4.7 Slim Select Bay Module .......................................................................................... 4-20
4.8 Cooling Fan.............................................................................................................. 4-24
4.9 CPU.......................................................................................................................... 4-27
4.10 Keyboard.................................................................................................................. 4-32
4.11 Memory Module ...................................................................................................... 4-36
4.12 Wireless LAN Card.................................................................................................. 4-38
4.13 Bluetooth.................................................................................................................. 4-41
4.14 Switch Board............................................................................................................ 4-43
4.15 Top Cover with Display Assembly.......................................................................... 4-45
4.16 Touch Pad ................................................................................................................ 4-48
4.17 Front Membrane ASSY ........................................................................................... 4-50
4.18 USB Board ............................................................................................................... 4-52
4.19 Sound Board............................................................................................................. 4-54
4.20 RTC Battery ............................................................................................................. 4-56
4.21 DC-IN Jack .............................................................................................................. 4-58
4.22 System Board ........................................................................................................... 4-59
4.23 Sub Fan .................................................................................................................... 4-61
4.24 PC Card Slot ............................................................................................................ 4-63
4.25 Speakers ................................................................................................................... 4-65
4.26 Touch Pad Switch .................................................................................................... 4-67
4.27 Display Mask ........................................................................................................... 4-68
4.28 FL Inverter ............................................................................................................... 4-70
4.29 LCD Module ............................................................................................................ 4-72
4.30 Wireless LAN Antenna/Blutooth Antenna/Display Cover...................................... 4-76
4.31 Fluorescent Lamp..................................................................................................... 4-85
Satellite A20 Maintenance Manual (960-444) ix