Toshiba Satellite L300D - Audio Test

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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