110
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:
K
Replace the System board.
K
If the problem is not corrected, see “Undetermined Problems” on page 126.
K
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 111.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
Summary of Contents for TravelMate 6593 Series
Page 6: ...VI ...
Page 9: ...IX Table of Contents Online Support Information 167 Index 169 ...
Page 10: ...X Table of Contents ...
Page 46: ...36 Chapter 1 ...
Page 62: ...52 Chapter 2 ...
Page 93: ...Chapter 3 83 22 Disconnect the LED cable from the LED_CN1 connector on the main board ...
Page 116: ...106 Chapter 3 ...
Page 130: ...120 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 137: ...Chapter 5 127 Top and Bottom View Jumper and Connector Locations Chapter 5 ...
Page 140: ...130 Chapter 5 ...
Page 172: ...Appendix A 162 ...
Page 176: ...166 Appendix B ...
Page 178: ...168 Appendix C ...