A SERVICE OF

logo

4.1 General 4 Replacement Procedures
4.1 General
This chapter explains how to disassemble the computer and replace Field Replaceable Units
(FRUs). It may not be necessary to remove all the FRUs in order to replace one. The chart
below is a guide to which FRUs need to be removed in order to remove others. Always start
by removing the battery pack, next, optional items such as the optional PC Card, then follow
the chart downward removing only those FRUs necessary to reach the one you think is
causing the computer to operate improperly. Refer to the example on the following page.
Battery pack
Main Module HDD Keyboard
Top Cover
PC
Card
Wireless
LAN
Unit
Expansion
Memory
Module
CPU
Modem /
Bluetooth
Unit
Display
Assembly
Display
Mask
System Board
FL
Inverter
Board
Fan Set
LCD
Module
Direct Play Button Board
CIR Board
Audio Board
Speakers
LED / Power Button Board
Function Key Board
TouchPad
Satellite P20-25 Series Maintenance Manual 4-1