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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