Toshiba EQUIUM L300D Laptop User Manual


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Error!Referencesourcenotfound.Error!Referencesourcenotfound.AudioTest 2
Troubleshooting
SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300DMaintenanceManual 2-21
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:
Check1 MakesuretheSpeakercablehasbeenfirmlyconnectedtothesystemboard.
Ifthecableislooseoroff,reconnectitfirmlyandreturntoProcedure1.If
thereisstillanerror,performCheck2.
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.
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.
Speaker
Systemboard
CPU
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