2￿￿Troubleshooting￿

2.3￿￿Power￿Supply￿

 

 

 

Procedure￿2￿￿Connection￿Check￿

Power￿is￿supplied￿to￿the￿system￿board￿as￿illustrated￿below:￿￿

 

 

 

 

 

AC

 

 

 

System￿board

 

 

 

 

 

 

 

adaptor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC￿power￿cord

 

 

AC￿adaptor￿cord

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Battery￿pack

￿

￿

Follow￿the￿steps￿below￿to￿check￿whether￿each￿connector￿has￿been￿connected￿correctly:￿￿

Check￿1￿

Make￿sure￿the￿AC￿adaptor￿and￿AC￿power￿cord￿have￿been￿firmly￿plugged￿

 

into￿the￿DC￿IN￿socket￿and￿wall￿outlet,￿respectively.￿￿When￿they￿have￿been￿

 

connected￿correctly,￿perform￿Check￿2.￿

Check￿2￿

Connect￿a￿new￿AC￿adaptor￿and￿AC￿power￿cord.￿

 

￿ If￿the￿DC￿IN￿LED￿does￿not￿go￿on,￿go￿to￿Procedure￿3.￿

 

￿ If￿the￿battery￿LED￿does￿not￿go￿on,￿perform￿Check￿3.￿

Check￿3￿

Make￿sure￿the￿battery￿pack￿has￿been￿correctly￿installed￿in￿the￿computer.￿If￿

 

the￿battery￿LED￿does￿not￿go￿on￿while￿the￿battery￿pack￿has￿been￿installed￿

 

correctly,￿go￿to￿Procedure￿3.￿

Procedure￿3￿￿Replacement￿Check￿

The￿system￿board,￿power￿supply￿board,￿or￿CPU￿may￿be￿faulty.￿￿Disassemble￿the￿computer￿ according￿to￿Chapter￿4￿and￿follow￿the￿steps￿below:￿￿

￿

Check￿1￿ Replace￿the￿power￿supply￿board￿with￿a￿new￿one.￿￿If￿the￿battery￿pack￿is￿still￿ not￿working￿properly,￿perform￿Check￿2.￿

￿

Check￿2￿ Replace￿the￿system￿board￿with￿a￿new￿one.￿￿If￿the￿battery￿pack￿is￿still￿not￿ working￿properly,￿perform￿Check￿3.￿

￿

Check￿3￿ Replace￿the￿CPU￿with￿a￿new￿one.

2-8￿

Satellite￿/￿Satellite￿Pro￿L510￿/￿L515￿/￿L517￿￿￿Maintenance￿Manual￿

Page 45
Image 45
Toshiba L517, L515 manual Procedure2ConnectionCheck, Procedure3ReplacementCheck