General - Toshiba Portege R300 Maintenance Manual

4.1 General

4 Replacement Procedures
4.1

General

This section 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 and optional
SD card, then follow the line on the chart to determine which FRU you must remove next in
order to repair the one you think is causing the computer to operate improperly. Refer to the
example at the bottom of the page.
Battery pack
PC card, SD card
LCD cable, Harness holder, Wireless LAN antenna cable, Bluetooth antenna cable
LCD unit
LCD panel
Bluetooth antenna
Wireless LAN antenna
This chart shows which unit(s) you need to remove in advance when you replace one unit.
Example: When you wan to replace HDD, you need to remove units, in the hatched boxes
above the boxes in which the HDD is.
Battery pack
PC card, SD card
LCD cable, Harness holder, Wireless LAN antenna cable, Bluetooth antenna cable
LCD unit
LCD panel
Bluetooth antenna
Wireless LAN antenna
PORTÉGÉ R300 Maintenance Manual (960-591)
Cover FAT assembly
Fingerprint sensor module, touch pad, LCD sensor switch
System board HDD
Fan, RTC CF unit
Cover FAT assembly
Fingerprint sensor module, touch pad, LCD sensor switch
System board HDD
Fan, RTC CF unit
4 Replacement Procedures
LED membrane Wireless LAN board
USB unit
Microphone,
Speaker,
LED board
LED membrane Wireless LAN board
USB unit
Microphone,
Speaker,
LED board
[CONFIDENTIAL] 4-1