Acer Travelmate 8331 Service Guide

							Chapter 343
This chapter contains step-by-step procedures on how to disassem ble the notebook computer TravelMate 
8371/8331 for maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
‰ Wrist grounding strap and conductive mat for preventing electrostatic discharge
‰ Small Philips screw driver
‰ Philips screwdriver
‰ Plastic flat head screw driver
‰ Tw e e z e r s
NOTE:  The screws for the different components vary in size. During the disassembly process, group the 
screws with the corresponding components to avoi d mismatch when putting back the components. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement 
						

							
44Chapter 3
General Information
Before You Begin
Before proceeding with the disassembly procedure, make sure that you do the following:
1. Turn off the power to the  system and all peripherals.
2. Unplug the AC adapter and all power and signal cables from the system.
3. Remove the battery pack. 
						

							
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Disassembly Procedure Flowchard
The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence 
and instructs you on the components that need to be removed during servicing. For example, if you want to 
remove the system board, you must fi rst remove the keyboard, then disassemble the inside assembly frame in 
that order.
Main unit disassembly flow chart
LCM module disassembly flow chart
  
Sta r t  
  RAM  HDD 
Battery 
 BTCB 
 Audio 
Board  VGA 
Board    LCM 
Module 
  I/O 
Board   Main  
Board 
Star t 
LCM Mylar 
LCM Bezel
LCM Panel 
						

							
46Chapter 3
Removing the Battery Pack
1.Release the battery lock.
2. Slide the battery latch then remove the battery.
NOTE:  Battery has been highlighted with the yellow circle  as above image shows. Please detach the battery 
and follow local regulations for disposal. 
						

							
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Removing the HDD and RAM
3.Remove two screws on the HDD cover and remove HDD. 
  
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4.Remove the screw on RAM cover and remove both of RAM.
Remove the Battery
5.Remove RTC battery.
NOTE:  RTC battery has been highlighted with the yellow circ le as above image shows. Please detach the 
RTC battery and follow local regulations for disposal.   
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6.Use the tweezer to remove the rubber and remove  all of the screws on the back of the notebook.
Remove keyboard
7.Disconnect five latches on the keyboard. 
8. Remove the FFC behind the keyboard.  
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Remove FFC of main board and sub board
9.Remove screws and FFC on the upper case.
10. Remove the upper case and disconnect the connector between upper case and audio board.  
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11 .Remove Audio board.
12. Remove the FFC and screw on the audio board.
13. Remove audio board. 
						

							
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14.Remove the connector of I/O board and then release a screw on the I/O board.
15. Remove I/O board after removing the connector under I/O board.
16. Remove Bluetooth board.  
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