General - Toshiba Satellite P20-25 Series Maintenance Manual

4.1 General

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.
Wireless Expansion
PC
LAN Memory
Card
Unit Module
System Board
Fan Set
Satellite P20-25 Series Maintenance Manual
Battery pack
Main Module
Modem /
CPU
Bluetooth
Display
Unit
Assembly
Display
Mask
Inverter
Board
LCD
Module
4 Replacement Procedures
HDD
Top Cover
FL
Keyboard
4-1