Toshiba Portege R400 Series, Maintenance Manual

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4 Replacement Procedures
PORTÉGÉ R400 Maintenance Manual (960-623) [CONFIDENTIAL] 4-iii
Chapter 4 Contents
4.1 Overview................................................................................................................... 4-1
4.2 Battery
pack .............................................................................................................. 4-8
4.3 PC card.................................................................................................................... 4-10
4.4 Memory module B .................................................................................................. 4-11
4.5 HDD........................................................................................................................ 4-13
4.6 Keyboard................................................................................................................. 4-17
4.7 Memory
module A.................................................................................................. 4-21
4.8 Cover assembly and Base assembly ....................................................................... 4-23
4.9 Base latch ................................................................................................................ 4-26
4.10 Front panel/Microphone.......................................................................................... 4-27
4.11 Bluetooth module.................................................................................................... 4-33
4.12 Touch pad................................................................................................................ 4-35
4.13 UWB module .......................................................................................................... 4-40
4.14 Wireless LAN card ................................................................................................. 4-42
4.15 3G
card.................................................................................................................... 4-44
4.16 LAN jack................................................................................................................. 4-46
4.17 MJ board ................................................................................................................. 4-47
4.18 RTC battery............................................................................................................. 4-50
4.19 RGB board .............................................................................................................. 4-51
4.20 Sensor board............................................................................................................ 4-53
4.21 Fan/Heat sink .......................................................................................................... 4-54
4.22 PC card slot ............................................................................................................. 4-57
4.23 System board and LCD cover assembly ................................................................. 4-58
4.24 LCD
mask ............................................................................................................... 4-61
4.25 LCD unit ................................................................................................................. 4-63
4.26 Digitizer .................................................................................................................. 4-66
4.27 Switch
board ........................................................................................................... 4-73
4.28 Fingerprint sensor board ......................................................................................... 4-74