Error!￿Reference￿source￿not￿found.Error!￿Reference￿source￿not￿found.￿￿Audio￿Test￿2￿￿

Troubleshooting￿

2.10￿Audio￿Test￿

To￿check￿if￿the￿computer’s￿Speaker￿is￿defective￿or￿malfunctioning,￿follow￿the￿ troubleshooting￿procedures￿below￿as￿instructed.￿

￿

Procedure￿1￿￿Test￿Program￿Check￿

Procedure￿2￿￿Connector￿Check￿and￿Replacement￿Check￿

￿

Procedure￿1￿￿Test￿Program￿Check￿

￿

Execute￿the￿Audio￿test￿available￿as￿part￿of￿the￿maintenance￿test￿program.￿￿See￿Chapter￿3￿for￿ information￿on￿how￿to￿perform￿the￿test.￿ If￿an￿error￿is￿detected￿in￿the￿test,￿go￿to￿Procedure￿2.￿￿If￿no￿error￿is￿detected,￿the￿Audio￿itself￿is￿ normal.￿

Procedure￿2￿￿Connector￿Check￿and￿Replacement￿Check￿

￿

The￿Audio￿or￿system￿board￿may￿be￿disconnected￿or￿faulty.￿￿Disassemble￿the￿computer￿ following￿the￿steps￿described￿in￿Chapter￿4￿and￿perform￿the￿following￿checks:￿

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Check￿1￿ Make￿sure￿the￿Speaker￿cable￿has￿been￿firmly￿connected￿to￿the￿system￿board.￿

Speaker

 

System￿board￿

 

CPU

 

 

 

 

 

 

 

￿

￿

￿If￿the￿cable￿is￿loose￿or￿off,￿reconnect￿it￿firmly￿and￿return￿to￿Procedure￿1.￿￿If￿ there￿is￿still￿an￿error,￿perform￿Check￿2.￿

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Check￿2￿ The￿Speaker￿may￿be￿faulty.￿￿Replace￿it￿with￿a￿new￿one￿following￿the￿ instructions￿in￿Chapter￿4.￿￿If￿the￿problem￿persists,￿perform￿Check￿3.￿

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Check￿3￿ The￿System￿board￿may￿be￿faulty.￿￿Replace￿it￿with￿a￿new￿one￿following￿the￿

instructions￿in￿Chapter￿4.￿￿If￿the￿Audio￿is￿still￿not￿functioning￿properly,￿perform￿

Check￿4.￿

Check￿4￿ The￿memory￿may￿be￿defective.￿Replace￿the￿memory￿module￿with￿a￿new￿one￿

following￿the￿steps￿described￿in￿Chapter￿4.￿If￿the￿problem￿persists,￿perform￿

Check￿5.￿

￿

Check￿5￿ The￿CPU￿may￿be￿faulty.￿Disassemble￿the￿computer￿following￿the￿steps￿ described￿in￿Chapter￿4￿and￿replace￿the￿CPU￿with￿a￿new￿one.￿

Satellite￿L300D/L305D/Satellite￿Pro￿L300D/EQUIUM￿L300D/SATEGO￿L300D￿￿￿￿￿Maintenance￿Manual￿ 2-21￿

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Toshiba EQUIUM L300D, PSLCAX/PSLCBX, SATEGO L300D manual 10AudioTest, Troubleshooting