LC-55LE643U User Manual

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Troubleshooting

The TV displays “No Signal.”

•Press

INPUT

ontheremotecontroltoselectadifferentinputsource.

•IfyouareusingcableTV,satellite,oranantennaconnecteddirectlytotheTV,scanforchannels.See"Auto

ChannelScan"onpage24.

There is no power.

•EnsuretheTVispluggedintoaworkingelectricaloutlet.

•EnsurethepowercableissecurelyattachedtotheTV.

•Press

POWER

ontheremoteoronthesideoftheTVtoturntheTVon.Thepowerison,butthereisno

imageonthescreen.

•EnsureallcablesaresecurelyattachedtotheTV.

•Ensurealldevicesareconnectedcorrectly.Devicesdiffer;seeyourdevice’susermanualfordetails.

•AdjustBrightness,Contrast,orBacklight.See"Picturemenu"onpage20.

•Press

INPUT

ontheremotetoselectadifferentinputsource.

There is no sound.

•Press

VOL

ontheremotecontrolunit.

•Press

MUTE

ontheremotetoensuremuteisoff.

•Checktheaudiosettings.See"Audiomenu"onpage21.

•EnsurethespeakersaresettoOn.See"TVSpeakers"onpage21.

•EnsurenoheadphonesareconnectedtotheTV.

•Checktheaudioconnectionsofexternaldevices(Blu-rayplayer,gameconsole,cable/satellitebox)thatare

connectedtotheTV.

•Ifyouareusinganantenna,thesignalstrengthofthechannelmaybelow.Ensureyourantennais

connectedsecurelytotheTVandmovetheantennaaroundtheroomorclosetoawindowforthebest

signal.

The colors on the TV don’t look right.

•AdjusttheColorandTintsettingsinthePicturemenu.See"Picturemenu"onpage20.

•Resetthepicturesettings.See"AdvancedPictureSettings"onpage21.

•Checkallcablestoensuretheyaresecurelyattached.Thebuttonsontheremotearen’tworking.

•Ensureyouareonlypressingonebuttonatatime.

•PointtheremotedirectlyattheTVwhenpressingabutton.

•Replacetheremotebatterieswithnewones.See"InstallingBatteriesintheRemoteControlUnit"onpage

Appendix

The image quality is not good.

•Forthebestimagequality,viewhigh-denitionprogramsusingdigitalsources.Connectyourdeviceswith

HDMIcables.

•Ifyouareusinganantenna,thesignalstrengthofthechannelmaybelow.Ensureyourantennais

connectedsecurelytotheTVandmovetheantennaaroundtheroomorclosetoawindowforthebest

signal.

The picture is distorted.

•NearbyelectricaldevicesmaybeinterferingwiththeTV.MovetheTVawayfromelectricalappliances,cars,

anduorescentlights.

•Ensureallcablesaresecurelyattached.

The display image does not cover the entire screen.

•SettheTVimagemodesothatthepicturellsthescreen.Press

VIEW MODE

ontheremotecontrolunit

andselecttheappropriateaspectratio.

The TV has pixels (dots) that are always dark or always lit.

•YourHDTVisprecision-manufacturedusinganextremelyhighleveloftechnology.However,sometimes

pixelsmaynotdisplaycorrectly.Thesetypesofoccurrencesareinherenttothistypeofproductanddonot

constituteadefectiveproduct.

I see “noise” or static on the screen.

•WhenyourTV’sdigitalcapabilitiesexceedadigitalbroadcastsignal,thesignalisup-converted(improved)to

matchyourTV’sdisplaycapabilities.Thisup-convertingcansometimescauseirregularitiesintheimage.

•Ifyouareusinganantenna,thesignalstrengthofthechannelmaybelow.Ensureyourantennais

connectedsecurelytotheTVandmovetheantennaaroundtheroomorclosetoawindowforthebest

signal.

When I change input source, the volume changes.

•TheTVremembersthevolumeleveloneachinputsource.Ifthevolumelevelonthenewinputsourceis

higherorlowerthanthelevelonthesourceyouswitchfrom,thedifferencemaybenoticeable.

•Use

VOL

ontheremotecontrolunittoadjustthevolume.

When I change input source, the display image changes size.

•TheTVrememberstheviewingmodeoneachinputsource.Iftheviewingmodeonthenewinputsource

differsfromtheoneontheinputsourceyouswitchfrom,thedifferencemaybenoticeable.

•See"VIEWMODE"onpage17.

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User Manual - Page 30