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77
TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual
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Todetermineifthecomputer’sbuilt-inIRBlasterisfunctioningproperly,performthe
followingprocedures.Figure2-28outlinestheprocess.StartwithProcedure1andcontinue
asinstructed.
Procedure1: IRBlasterboardconnectioncheck
Procedure2: IRBlasterboardreplacementcheck
Procedure1 IRBlasterboardconnectioncheck
TheIRBlasterisconnectedviatheIRBlasterFFCtothesystemboard.MakesuretheIR
BlasterFFCisfirmlyconnectedtothesystemboard.RefertoChapter4,
Replacement
Procedures,
forinstructionsonhowtodisassemblethecomputerandthenperformthe
followingchecks.
Usewindowsapplicationtocheckdevicecanworkfineornot.Ifanerrorislocated,make
sureanyoftheconnectionsareloose,reconnectfirmly.Ifanyoftheconnectionsisdamaged,
orthereisstillanerror,gotoProcedure2.
Procedure2 IRBlasterboardreplacementcheck
TheIRBlasterboardorFFCmaybedefectiveordamaged.Replaceeachwithanewone
followingthestepsinChapter4.IftheIRBlasterboardisstillnotfunctioningproperly,
replacethesystemboardwithanewonefollowingthestepsinChapter4.