122
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:
q
Replace the System board.
q
If the problem is not corrected, see “Undetermined Problems” on page 139.
q
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 123.
Pin 1: +19 to +20.5V
Pin 2: 0V, Ground
Содержание Aspire 8735
Страница 6: ...VI ...
Страница 10: ...4 Chapter 1 System Block Diagram ...
Страница 54: ...50 Chapter 2 ...
Страница 71: ...Chapter 3 67 2 Remove the two captive screws securing the hard disk drive cover ...
Страница 81: ...Chapter 3 77 5 Disconnect the power board cable from PWCN1 connector on the system to remove it ...
Страница 94: ...90 Chapter 3 19 Disconnect the Media console cable from LEDB1 on the main board ...
Страница 112: ...108 Chapter 3 21 Remove the USB board module from the lower case ...
Страница 118: ...114 Chapter 3 13 Detach any adhesive tapes and any cable that is glued to the LCD panel ...
Страница 119: ...Chapter 3 115 14 Disconnect the FPC cable from the LCD panel ...
Страница 136: ...132 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Страница 143: ...Chapter 4 139 ...
Страница 144: ...140 Chapter 4 ...
Страница 145: ...Chapter 5 139 Motherboard Jumper and Connector Locations Chapter 5 ...
Страница 146: ...140 Chapter 5 ...
Страница 148: ...142 Chapter 5 try again NOTE The steps are only for clearing BIOS Password Supervisor Password and User Password ...
Страница 150: ...144 Chapter 5 ...
Страница 152: ...146 Chapter 6 Aspire 8735 8735G 8735ZG Series Exploded Diagram ...
Страница 170: ...158 Appendix B ...
Страница 172: ...160 Appendix C ...