Toshiba Qosmio F50 Laptop User Manual


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2TroubleshootingProcedures
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QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual 
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Todetermineifthecomputer’sTVTunerportisfunctioningproperly,performthefollowing
procedures.Figure2-7outlinestheprocess.StartwithProcedure1andcontinueasinstructed.
Procedure1: TVTunercableconnectioncheck
Procedure2: TVTunerSGsettingcheck
Procedure3: TVTunerAntennaconnectioncheck
Procedure4: TVTunerModuleconnectioncheck
Procedure1 TVtunerCableconnectioncheck
TheTVTunercablemaybedamagedortheconnectionsmaybeloose.Usewindows
applicationtocheckdevicecanworkfineornot.Ifanerrorislocated,PerformCheck1:
Check1 MakesureTVTunercableisfirmlypluggedintoboththeTVTunersetandthe
TVTunerportofthecomputer.Ifthecableisconnectedcorrectly,gotoCheck2.
Check2 MakesuretheTVTunerportisfirmlysecuredtothesystemboardofthe
computer.Ifthemalfunctionremains,gotoCheck3.
Check3 TheTVTunercablemaybedamaged.Replacewithagoodcable.Ifthe
malfunctionremains,gotoProcedure2.
Procedure2 TVTunerSGsettingcheck
TheTVTunerSGsettingmaybefaulty.PerformCheck1:
Check1 ChecktheTVTunerSettingwasrightorwrong,ifright;gotocheck2,ifwrong.
Correctitandre-test.Iffailsymptomstillexist,gotoProcedure
Check2 TryconnectingadifferentTVtunerSGtothecomputer.IfthereplacementTV
tunerSGworks,theoriginalsetmaybedamaged.Ifthereplacementsetdoesnot
worktheTVtunerAntennamaybedamaged.GotoProcedure3.
Procedure3 TVtunerAntennaconnectioncheck
TheTVTunerAntennamaybedamagedortheconnectionsmaybeloose.PerformCheck1:
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