55
Chapter 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:
T
Replace the main board.
T
If the problem is not corrected, see “Undetermined Problems”.
T
If the voltage is not correct, go to the next step.
NOTE:
An audible noise from the power adapter does not always indicate a defect.
3.
If the DC-IN indicator does not light up, check the power cord of the power adapter for correct continuity
and installation.
4.
If the operational charge does not work, see “Check the Power Adapter” .
Pin 1: 19V
Pin 2: 0V, Ground
Summary of Contents for Aspire 1800
Page 6: ...VI ...
Page 12: ...4 Chapter 1 Block Diagram ...
Page 13: ...Chapter 1 5 Mainboard Placement Top View Rear View ...
Page 75: ...67 Chapter 5 Clear CMOS ...
Page 77: ...69 Chapter 6 Exploded Diagram ...
Page 78: ...Chapter 6 70 ...
Page 84: ...76 HDD SHIELDING HDD SHIELDING 33 A29V5 003 HDD COVER HDD COVER 42 A29V5 005 ...
Page 97: ...89 Appendix C ...