Sharp LC-60UF30H - Appendix; Troubleshooting

33
Troubleshooting
Theproblemsdescribedbelowarenotalwayscausedbymalfunctions.ChecktheTVagainbeforehavingtheTV
serviced.
Problem Possible solution
• Nopower. • IstheACcorddisconnected?(Seepage12.)
• Hasthepowerbeenturnedon?(Seepage16.)
• Whenthepowerswitchdoesnotwork,removethepowerplugandinsertitagain,
and press
POWER
ontheTVafterwaitingmorethanveseconds.
• Unitcannotbeoperated. • Externalinuencessuchaslightning,staticelectricity,etc.,maycauseimproper
operation.Inthiscase,operatetheunitafterrstturningthepowerofforunplugging
theACcordandre-pluggingitinafter1or2minutes.
• Remotecontrolunitdoesnot
operate.
• Arebatteriesinsertedwithpolarity(
e
,
f
)aligned?(Seepage15.)
• Arebatterieswornout?(Replacewithnewbatteries.)
• Areyouusingitunderstrongoruorescentlighting?
• Isauorescentlightshiningontheremotecontrolsensor?
• Pictureiscutoff. • Arescreenmodeadjustmentssuchaspicturesizemadecorrectly?(Seepages19
and 20.)
• Strangecolour,lightcolour,or
dark, or colour misalignment.
• Adjustthepicturetint.(Seepage19.)
• Istheroomtoobright?Thepicturemaylookdarkinaroomthatistoobright.
• Checkthecoloursystemsetting.(Seepages22.)
• Powerissuddenlyturnedoff. • Theunit'sinternaltemperaturehasincreased.
Removeanyobjectsblockingtheventorclean.
• Isthesleeptimer,nosignalpoweroff?(Seepage18.)
• Nopicture. • Istheconnectiontoexternalequipmentcorrect?(Seepages13,14and29.)
• Isthecorrectinputselected?(Seepages10,11,and27.)
• Isthepictureadjustmentcorrect?(Seepage19.)
• Istheantennaconnectedproperly?(Seepage12.)
• Nosound. • Isthevolumetoolow?(Seepage11.)
• Checkthesoundsystemsetting.(Seepage22.)
• Makesurethatheadphonesarenotconnected.(Seepage10.)
• Hasthemutebeenopened.(Seepage24.)
• TheTVsometimesmakesa
cracking noise.
• Thisisnotamalfunction.Thishappenswhenthecabinetslightlyexpandsand
contractsaccordingtochangesintemperature.ThisdoesnotaffecttheTV's
performance.
• Cannotselectthedesiredchannel. • SwitchbetweenDigitalTVandAnalogueTVmodes.(Seepage11.)
• CannotconnecttotheNetwork • IstheLANcableconnectedcorrect.(Seepages25and26.)
• Checkthe“LANsetting”.
Appendix
Cautions regarding use in high and low temperature environments
• Whentheunitisusedinalowtemperaturespace(e.g.room,ofce),thepicturemayleavetrailsorappearslightlydelayed.
Thisisnotamalfunction,andtheunitwillrecoverwhenthetemperaturereturnstonormal.
• Donotleavetheunitinahotorcoldlocation.Also,donotleavetheunitinalocationexposedtodirectsunlightorneara
heater,asthismaycausethecabinettodeformandtheLCDpaneltomalfunction.
 Storagetemperature:
f
20°Cto
e
60°C.