viii [CONFIDENTIAL] PORTÉGÉ R400 Maintenance Manual (960-623)
Chapter 4 Replacement Procedures
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