Acer Travelmate 220 Service Guide

72Chapter 3
Removing the CPU Fan
1.
See “Removing the Battery Pack” on page 49
2.
See “Removing the Hinge Caps” on page 56
3.
See “Removing the Middle Cover” on page 56
4.
See “Removing the Keyboard” on page 57
5.
See “Removing the Cable Cover” on page 57
6.
See “Removing the LCD Module” on page 58
7.
See “Removing the CPU Heat Sink Plate” on page 67
8.
See “Removing the RTC Battery” on page 67
9.
See “Removing the Upper Case” on page 69
10.
See “Removing the CPU Heat Sink” on page 72
11 .
To remove the...

Chapter 373
4.
See “Removing the Keyboard” on page 57
5.
See “Removing the Cable Cover” on page 57
6.
See “Removing the LCD Module” on page 58
7.
See “Removing the CPU Heat Sink Plate” on page 67
8.
See “Removing the RTC Battery” on page 67
9.
See “Removing the Upper Case” on page 69
10.
Remove the screw from the audio board and then detach the audio board.
Removing the Main Board
1.
See “Removing the Battery Pack” on page 49
2.
See “Removing the Hinge Caps” on page 56
3.
See “Removing the Middle Cover”...

74Chapter 3
15.
Detach the main board from the lower case carefully in the way as shown here.
Removing the PCMCIA Slot
1.
See “Removing the Battery Pack” on page 49
2.
See “Removing the Hinge Caps” on page 56
3.
See “Removing the Middle Cover” on page 56
4.
See “Removing the Keyboard” on page 57
5.
See “Removing the Cable Cover” on page 57
6.
See “Removing the LCD Module” on page 58
7.
See “Removing the CPU Heat Sink Plate” on page 67
8.
See “Removing the RTC Battery” on page 67
9.
See “Removing the...

Chapter 375
16.
Detach the PCMCIA slot from the main board.
Removing the I/O Port Bracket
1.
See “Removing the Battery Pack” on page 49
2.
See “Removing the Hinge Caps” on page 56
3.
See “Removing the Middle Cover” on page 56
4.
See “Removing the Keyboard” on page 57
5.
See “Removing the Cable Cover” on page 57
6.
See “Removing the LCD Module” on page 58
7.
See “Removing the CPU Heat Sink Plate” on page 67
8.
See “Removing the RTC Battery” on page 67
9.
See “Removing the Upper Case” on page 69
10.
See...

76Chapter 3
Removing the Modem Cable
1.
See “Removing the Battery Pack” on page 49
2.
See “Removing the Hinge Caps” on page 56
3.
See “Removing the Middle Cover” on page 56
4.
See “Removing the Keyboard” on page 57
5.
See “Removing the Cable Cover” on page 57
6.
See “Removing the LCD Module” on page 58
7.
See “Removing the CPU Heat Sink Plate” on page 67
8.
See “Removing the RTC Battery” on page 67
9.
See “Removing the Upper Case” on page 69
10.
See “Removing the Charger Plate” on page 72
11 .
See...

Chapter 477
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...

78Chapter 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. See “System Diagnostic Diskette” on page 39 for details.
1.
Boot from the diagnostics diskette and start the...

Chapter 479
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 correctly seated in the connector on the system board.
If the keyboard cable connection is correct, run the Keyboard Test. See “System Diagnostic Diskette” on page 
39 for details.
If the tests detect a keyboard problem, do the following one at...

80Chapter 4
Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power 
adapter cable. See the following figure
1.
If the voltage is not correct, replace the power adapter.
2.
If the voltage is within the range, do the following:
!Replace the System board.
!If the problem is not corrected, see “Undetermined Problems” on page 91.
!If the voltage is not correct, go to the next step.
NOTE: 
An audible noise from the power adapter does not...

Chapter 481
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...