Acer Travelmate 330 Service Guide

Chapter 3 81
Removing the Touchpad
1.  Remove the two screws from the touchpad bracket.
2.  Remove the touchpad bracket from the uppercase.
3.  Disconnect the touchpad cable from the touchpad board.
 
4.  Remove the touchpad cable from the uppercase.
5.  Remove the touchpad board from the uppercase. 

82 Removal and Replacement 
6.  Disconnect the hard drive/battery connection board from the system 
board.
Removing the Fan
1.  Disconnect the fan cable from the system board.
2.  Remove the two screws, then remove the fan from the system board. 

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Removing the PCMCIA Slot
1.  Remove the screw of the PCMCIA slot.
2.  Remove the PCMCIA slot from the system board.
3.  This completes the disassembly procedure of the main unit. 

84 Removal and Replacement  

Chapter 4 85
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...

86 Troubleshooting 
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. See “Running PQA Diagnostics 
Program.” on page 60 for details.
1.  Boot from the diagnostics...

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If an error occurs, reconnect the connector on the System board. If the error 
still remains:
1.  Reconnect the external diskette drive/CD-ROM module.
2.  Replace the external diskette drive/CD-ROM module.
3.  Replace the system board.
Keyboard or Auxiliary Input Device Check
Remove the external keyboard if the internal keyboard is to be tested.
If the internal keyboard does not work or an unexpected character appears, 
make sure that the flexible cable extending from the keyboard is...

88 Troubleshooting 
Power System Check
To verify the symptom of the problem, power on the computer using each of 
the following power sources:
1.  Remove the battery pack.
2.  Connect the power adapter and check that power is supplied.
3.  Disconnect the power adapter and install the charged battery pack; then 
check that power is supplied by the battery pack.
If you suspect a power problem, see the appropriate power supply check in 
the following list:

“Check the Power Adapter” on page 88

“Check the...

Chapter 4 89
2.  Remove the battery pack and measure the voltage between battery 
terminals 1(+) and 6(ground). See the following figure
3.  If the voltage is still less than 7.2 Vdc after recharging, replace the battery. 
To check the battery charge operation, use a discharged battery pack or a 
battery pack that has less than 50% of the total power remaining when 
installed in the computer. 
If the battery status indicator does not light up, remove the battery pack and 
let it return to room...

90 Troubleshooting 
Error Symptom-to-FRU Index
The symptom-to-FRU index lists the symptoms and errors and their possible 
causes. The most likely cause is listed first.
Note: 
 Perform the FRU replacement or actions in the sequence shown 
in FRU/Action column, if the FRU replacement does not solve the 
problem, put the original part back in the computer. Do not replace 
a non-defective FRU.
This index can also help you determine the next possible FRU to be replaced 
when servicing a computer.
If the...