Toshiba PRO L645 Manual Do Utilizador

Chapter 4 Replacement Procedures

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4.1 Overview

This chapter describes the procedure for removing and replacing the field replaceable units
(FRUs) in the PC. It may not be necessary to remove all the FRUs in order to replace one.
The chart below provides a guide as to which other FRUs must be removed before a
particular FRU can be removed. The numbers in the chart indicate the relevant section
numbers in this manual.

In all cases when removing an FRU, the battery pack must also be removed. When repairing
an FRU that is the potential cause of a computer fault, use the chart to determine the order in
which FRUs need to be removed.

The tilt stand, if it is installed, can be removed without any other FRUs removed.

4.2 Battery Pack

4.3 HDD/SSD

4.4 Memory Module

4.5 Key board

4.9 TOP Cover Assembly

4.18

Optical

Disc Drive

and ODD

Bezel

4.22

SIM

Board

4.10

Touch

pad

4.17

Speaker

Box

4.12 Mother Board

4.8

Display

Assembly

4.19 BT
Module

4.11 I/O

Board

4.21

Power

Board

4.20

Modem

4.6

Wireless

LAN

Card

4.13 CPU Heat

Sink

4.7 3G

Module

Card

4.14 LCD

Unit

4.16 Application

for Thermal pad

and grease on

CPU, North

Bridge, V-ram,

Chock and VGA

4.15 WEB

Camera

Module

 Chart Notation

The chart shows the case for the
following example:

 Removing a LCD unit

All FRUs down to the “4.2 Battery
pack”to”4.5 Keyboard” and “4.9 Top
Cover Assembly” and “4.8 Display
Assembly” above LCD unit must be
removed.

Satellite L640/L645, Satellite Pro L640/Pro L645 Maintenance Manual (960-Q08)