4.1 General 4 Replacement Procedures
4 1
4.1 General
This chapter explains how to disassemble the computer and replace Field Replaceable Units
(FRUs). Some replacement procedures may not require you to remove all the surrounding
FRUs to replace only one FRU. The chart below shows the FRUs in the order in which they
should be removed in a top-down manner, irrespective of their physical locations. The FRUs
shown in the top area of the chart should normally be removed before removing the FRUs
shown in the bottom area. To replace the FRUs, first identify the suspect FRU for the system
failure. Next, according to this chart, determine the FRUs that need to be removed before
removing the suspect FRU. After you determine those FRUs, go to the appropriate sections
according to the section numbers shown in the boxes. Then start removal and replacement.
4.9
Top C over
4. 2
HDD
4. 3
ODD Bay Module
4. 20
Tou ch Pa d an d
Touch Pad Board
4. 7
Wireless LAN Card
4. 4
Speaker
cover
and
Keyboard
4. 5
4. 8
Display Assembly
4. 13
VGA Card
4. 12
System Board, AC-IN cable and Fan
4. 16
Display Mask
4. 17
FL Inverter Board
4. 19
LCD Modules
4. 14
Cooling Module
4. 15
CPU
Switch Board
4.11
USBandCRTCable,
Fingerprint Board
and
Bluetooth Card
4. 10
Speakers
4. 6
MDC Module
4. 18
CCD Board and MIC
System Board
LCD Module
4.9
Top Cove r
4. 2
HDD
4. 3
ODD Bay Module
4. 20
Touch Pa d and
Touch Pad Board
4. 7
Wireless LAN Card
4. 4
Speaker
cover
and
Keyboard
4. 5
4. 8
Display Assembly
4. 13
VGA Card
4. 12
System Board, AC-IN cable and Fan
4. 16
Display Mask
4. 17
FL Inverter Board
4. 19
LCD Modules
4. 14
Cooling Module
4. 15
CPU
Switch Board
4.11
USB and CRT Cable,
Fingerprint Board
and
Bluetooth Card
4. 10
Speakers
4. 6
MDC Module
4. 18
CCD Board and MIC
How to use the chart (two examples):
• For removing the System Board:
First, remove the top cover with the
display assembly. Then, remove the
HDD, selectable bay module,
Bluetooth card, keyboard, and
wireless LAN card, all of which are
shown above the top cover with the
display assembly.
• For removing the LCD Module:
First, remove the display mask and
FL inverter board, both of which are
shown above the LCD module.
Qosmio F40/F45 Maintenance Manual 4-1
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