Acer Aspire 6935g Service Guide

Chapter 361
Removing the BTCB screws
29.Loose 21 screws from BTCB. 
30.Detach Switch cover.
31.Disconnect Media board FFC from the Switch cover 

62Chapter 3
Disassembling the Main Unit
1.Turn over the keyboard as the image shows.
2.Disconnect the Keyboard FFC from the main board
3.Then remove the keyboard from the main unit. 
4.Remove the 18 screws fastening the upper case and the lower case assembly as shown.
5.Disconnect the FFC from the main board.
6.Loose two screws from the TPCB.
7.Disconnect the LCM cable.
8.Pull out the Power cable.
9.Pull out the Wireless antenna.
10.Release four TPCB locker then remove the TCB from machine. 

Chapter 363
Disassembling the LED boards
11 .Loose the LED boards four screws.
12.Remove two LED boards from the machine.
13.Loose four LCM hinge screws.
14.Then remove LCM module from the machine.
 Remove I/O baord and Main Board.
15.Loose the daughter board screw then remove the daughter board from the machine.
16.Disconnect four cables on the M/B as shown.
17.Loose the M/B screw, remove RJ11 connector from the BTCB.
18.Remove M/B from the BTCB..
19.Disconnect LED/B cable and USB/B FFC. 

64Chapter 3
20.Remove the USB board from BTCB.
21.Loose two Modem card screws.
22.Disconnect Modem card cable.
23.Remove Modem card from the M/B.
Disassembly LCM module
1.Remove six LCM bezel mylar.
2.Loose 11 LCM bezel screws.
3.Remove LCM bezel.
4.Disconnect Inverter cable and Back LED board cable.
5.Disconnect CCD cable.
6.Loose four LCD scrws from the hinge. 

Chapter 365
7.Remove the LCD panel.
8.Remove the Inverter board.
9.Loose four LCD hinge screws, then remove two hinges from LCD panel. 

66Chapter 3
Disassembling the External Modules
Disassembling the HDD Module
1.Remove the four screws holding the HDD (hard disk drive) foil; two on each side.
2.Carefully take out the hard disk drive from the HDD foil. 
Disassembling the ODD Module
1.Remove the two screws holding the optical bracket.
2.Then remove the optical bracket from the optical disk drive.  

Chapter 469
Use the following procedure as a guide for computer problems.
NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or 
modified options can give false errors and invalid system responses.
1.Obtain the failing symptoms in as much detail as possible.
2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating 
the same operation.
3.Use the following table with the verified symptom to determine...

70Chapter 4
System Check Procedures
External Diskette Drive Check
Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is 
required.
NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause 
damage to the drive or cause the drive to fail. 
Do the following to select the test device.
1.Boot from the diagnostics diskette and start the diagnostics program.
2.See if FDD Test is passed as the...

Chapter 471
Memory check
Memory errors might stop system operations, show error messages on the screen, or hang the system.
1.Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board.
2.Go to the diagnostic memory in the test items.
3.Press F2 in the test items.
4.Follow the instructions in the message window.
NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
Power System Check
To verify the symptom of the...

72Chapter 4
Check the Battery Pack 
To check the battery pack, do the following:
From Software:
1.Check out the Power Management in control Panel.
2.In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total 
Battery Power Remaining are correct.
3.Repeat the steps 1 and 2, for both battery and adapter.
4.This helps you identify first the problem is on recharging or discharging. 
From Hardware:
1.Power off the computer. 
2.Remove the battery pack and measure the...