Sharp LC-46LX650H - Troubleshooting and Specifications; General TV Troubleshooting; Picture and Sound Issues; Troubleshooting Digital Broadcasting

95
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19.)
• Hasthepowerbeenturnedon?(Seepage23.)
• 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theTV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22.)
• 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. • Istheimagepositioncorrect?(Seepage43.)
• Arescreenmodeadjustmentssuchaspicturesizemadecorrectly?(Seepages38,
39,71and93.)
• Strangecolour,lightcolour,or
dark,orcolourmisalignment.
• Adjustthepicturetone.(Seepages41to43.)
• Istheroomtoobright?Thepicturemaylookdarkinaroomthatistoobright.
• Checkthecoloursystemsetting.(Seepages29and63.)
• Checkthe“HDMIautoview”setting.(Seepage61.)
• Powerissuddenlyturnedoff. • Theunit'sinternaltemperaturehasincreased.
Removeanyobjectsblockingtheventorclean.
• Checkthe“ECO”setting.(Seepages37and38.)
• Isthesleeptimer,nosignaloffornooperationoffset?(Seepage38.)
• Nopicture. • Istheconnectiontoexternalequipmentcorrect?(Seepages20and21.)
• Isthecorrectinputselected?(Seepage62.)
• Isthepictureadjustmentcorrect?(Seepages41to43.)
• Istheantennaconnectedproperly?(Seepage19.)
• Is“On”selectedin“Audioonly”?(Seepage32.)
• Referto"Picture/Audiotest"(Seepage97.)
• Nosound. • Isthevolumetoolow?(Seepage27.)
• Makesurethatheadphonesarenotconnected.(Seepage17.)
• Referto"Picture/Audiotest".(Seepage97.)
• 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48.)
• CannotconnecttotheNetwork • IstheLANcableconnectedcorrect(Seepage76.)
• Checkthe“LANsetting”.
Appendix
Troubleshooting
-
Digital broadcasting
Problem Error code Possible solution
• Nopictureornosound.
—
• IsthecorrectInputsourceselected?(Seepage62.)
• Blocknoiseappearsonthescreen. • Istheantennapointinginthecorrectdirection?
• Checkthe“Signalstrength”and“Quality”.(Seepage24.)
• Arephysicalobjectsblockingtheantenna?
• IstheantennaorantennacablecompatiblewithD-TVbroadcast?
• D-TVbroadcastscannotbereceived.
E202
• IstheD-TVantennasetupproperly?
• Istheantennacableconnectedproperly?(Seepage19.)
• Isthechannelsettingscorrect?(Seepage24.)
• Aspecicchannelcannotbereceived.
—
• Checkthe“Signalstrength”and“Quality”.(Seepage24.)
• Nobroadcastnow E203 • Checkthecurrentbroadcast.