34
ENG
ENGLISH
TROUBLESHOOTING
TROUBLESHOOTING
General
Problem
Resolution
CannotcontroltheTVwiththe
remotecontrol.
y
y
Checktheremotecontrolsensorontheproductandtryagain.
y
y
Checkifthereisanyobstaclebetweentheproductandtheremotecontrol.
y
y
Checkifthebatteriesarestillworkingandproperlyinstalled( to , to ).
Noimagedisplayandnosoundis
produced.
y
y
Checkiftheproductisturnedon.
y
y
Checkifthepowercordisconnectedtoawalloutlet.
y
y
Checkifthereisaprobleminthewalloutletbyconnectingotherproducts.
ImageappearsslowlywhentheTV
turnson.
y
y
Theimageismutedduringtheproductstartupprocess.Thisisnormal.Ifthe
imagedoesnotappearinafewminutes,unplugtheTVfor30secondsandtry
again.Iftheimagestilldoesnotappear,contacttheauthorizedservicecentre
inyourlocalarea.
Cannotconnectexternaldevices.
y
y
Refertothe“
Connection overview
”andconnectanexternaldevice.
TheTVturnsoffsuddenly.
y
y
Checkthepowercontrolsettings.Thepowersupplymaybeinterrupted.
y
y
CheckiftheAutosleepfeatureisactivatedintheTimesettings.
See“SleepTimer”.
y
y
IfthereisnosignalwhiletheTVison,theTVwillturnoffautomaticallyafter
15minutesofinactivity.(Exceptfor22/26/32LK335C,32/37/42/47/55LV355C,
32/37/42/47LK455C,32/37/42/47LK457C)
Audio
Problem
Resolution
Nosoundisproducedwhileimages
aredisplaying.
y
y
Press
+or-button.
y
y
Checkifthesoundismutedbypressing
MUTE
.
y
y
Scrolltootherchannels.Theremayaproblemwiththebroadcast.
y
y
Checkiftheaudiocablesareconnectedproperly.
Oneofthespeakersproduce
noisesordoesnotproducesound.
y
y
Achangeinambienthumidityortemperaturemayresultinanunusualnoise
whentheproductturnsonoroff.
y
y
Thereisnoproblemwithyourproduct.
Video
Problem
Resolution
Animagedisplaysinblackand
whiteorthecolourqualityispoor.
y
y
AdjustthecoloursettinginthePicturemenu.
y
y
Keepasufficientdistancebetweenthisproductandotherelectronicproducts.
y
y
Scrolltootherchannels.Theremayaproblemwiththebroadcast.
Horizontalorverticalbarsappears
orimagesblur
y
y
Checkiftherearelocalinterferencessuchasanelectricalapplianceorpower
tool.
Linesorstreaksappearonimages
y
y
Checktheantennaoraimtheantennatotheproperdirection.
Afterimages(ghosts)appearwhen
theproductturnsoff
y
y
Pixelsmayhavebeendamagedfromafixedimagedisplayedforalongtime
(imageburn).Useascreensavertopreventthepixeldamageonthescreen.
Thepowerisonbutthescreenap-
pearsextremelydark.
y
y
AdjustthebrightnessandcontrastinthePicturemenu.
“NoSignal”appearsonthescreen.
y
y
CheckifthesignalcableisconnectedbetweentheTVandproductsproperly.
y
y
Checktheselectedinputsourcebypressing
INPUT
.
Blackspotsappearonthescreen.
y
y
Severalpixelsinred,green,white,orblackmayappearonthescreenthatcan
attributetothecharacteristicsofthepanel.
Thisisnormal.
Thedisplayoffsetiswrong.
y
y
AdjustthepositionsettinginthePicturemenu.
y
y
Checkifthevideocardresolutionandfrequencyaresupportedbytheproduct.
Ifthefrequencyisoutofrange,settotherecommendedresolutionusingthe
displaysettingsontheexternaldevice.
Thinlinesappearinthebackground
ofthescreen.
y
y
Checkthevideocableconnections.
Horizontalnoisesappearorcharac-
tersblur.
y
y
AdjustthePhasesettinginthePicturemenu.
Refertothe“SCREEN”.
Thereceptiononsomechannels
ispoor
y
y
Scrolltootherchannels.Theremayaproblemwiththebroadcast.
y
y
Thestationsignalmaybeweak.Aimtheantennatotheproperdirection.
y
y
Checkifthereislocalinterferencesuchasanelectricalapplianceorpowertool.
