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106
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 122.
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 107.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
Summary of Contents for Extensa 5430 Series
Page 6: ...VI...
Page 9: ...IX Table of Contents Online Support Information 163 Index 165...
Page 10: ...X Table of Contents...
Page 13: ...Chapter 1 3 System Block Diagram...
Page 46: ...36 Chapter 1...
Page 62: ...52 Chapter 2...
Page 108: ...98 Chapter 3 12 Detach any adhesive tapes and any cable that is glued to the LCD panel...
Page 112: ...102 Chapter 3 9 Remove the Web camera from the back cover...
Page 126: ...116 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps...
Page 133: ...Chapter 5 123 Top and Bottom View Jumper and Connector Locations Chapter 5...
Page 134: ...124 Chapter 5...
Page 138: ...128 Chapter 6 TravelMate 5530 5230 Series Exploded Diagram...
Page 168: ...Appendix A 158...
Page 172: ...162 Appendix B...
Page 174: ...164 Appendix C...