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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 System board.
T
If the problem is not corrected, see “Undetermined Problems” on page 89.
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 power-on 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 Battery Pack” on page 76.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
Summary of Contents for Aspire 1660
Page 1: ...Aspire 1660 Series Service Guide PRINTED IN TAIWAN ...
Page 6: ...VI ...
Page 9: ...IX ...
Page 40: ...Chapter 1 31 ...
Page 65: ...Chapter 3 56 ...
Page 106: ...97 Chapter 4 ...
Page 110: ...101 Chapter 6 Aspire 1660 Exploded Diagram ...
Page 120: ...111 Chapter 6 ...
Page 122: ...113 Appendix A ...
Page 128: ...119 Appendix B ...
Page 130: ...121 Appendix C ...