4 Replacement Procedures
TECRA M4 Maintenance Manual (960-521) [CONFIDENTIAL] 4-iii
Chapter 4 Contents 4.1 Overview...................................................................................................................4-1
Safety Precautions ...............................................................................................4-2
Before You Begin............................................................................................... 4-3
Disassembly Procedure.......................................................................................4-4
Assembly Procedure........................................................................................... 4-5
Tools and Equipment.......................................................................................... 4-5
Screw Tightening Torque ...................................................................................4-6
Grip Color ......................................................................................................... 4-6
Screw Notation....................................................................................................4-7
4.2 Battery pack.............................................................................................................. 4-8
4.3 PC card/SD card......................................................................................................4-10
4.3.1 PC card.....................................................................................................4-10
4.3.2 SD card.....................................................................................................4-11
4.4 Memory module......................................................................................................4-12
4.5 HDD........................................................................................................................ 4-14
4.6 Selectable bay module............................................................................................ 4-16
4.7 Keyboard.................................................................................................................4-19
4.8 Bottom cover assembly...........................................................................................4-21
4.9 Battery latch assembly/Selectable bay lock............................................................4-23
4.9.1 Battery latch assembly............................................................................. 4-23
4.9.2 Selectable bay lock ..................................................................................4-24
4.10 QI button assembly/PC card slot brace................................................................... 4-25
4.10.1 QI button assembly................................................................................ 4-25
4.10.2 PC card slot brace.................................................................................. 4-26
4.11 Bluetooth module....................................................................................................4-27
4.12 MDC/Modem cable ................................................................................................4-29
4.13 Wireless LAN card .................................................................................................4-32
4.14 Fan/CPU..................................................................................................................4-34
4.14.1 Fan..........................................................................................................4-34
4.14.2 CPU........................................................................................................4-36