Troubleshooting - LG 32LK450 Owner's Manual

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TROUBLESHOOTING

TROUBLESHOOTING
General
Problem
cannotcontrolthetVwiththe
remotecontrol.
noimagedisplayandnosoundis
produced.
ImageappearsslowlywhenthetV
turnson.
cannotconnectexternaldevices.
thetVturnsoffsuddenly.
Audio
Problem
nosoundisproducedwhileimages
aredisplaying.
oneofthespeakersproduce
noisesordoesnotproducesound.
Video
Problem
animagedisplaysinblackand
whiteorthecolourqualityispoor.
horizontalorverticalbarsappears
orimagesblur
linesorstreaksappearonimages
afterimages(ghosts)appearwhen
theproductturnsoff
thepowerisonbutthescreenap-
pearsextremelydark.
"nosignal"appearsonthescreen.
Blackspotsappearonthescreen.
thedisplayoffsetiswrong.
thinlinesappearinthebackground
ofthescreen.
horizontalnoisesappearorcharac-
tersblur.
thereceptiononsomechannels
ispoor
y checktheremotecontrolsensorontheproductandtryagain.
y
y checkifthereisanyobstaclebetweentheproductandtheremotecontrol.
y
y checkifthebatteriesarestillworkingandproperlyinstalled( to , to ).
y
y checkiftheappropriateinputmodesuchastVorVcrissetforusingthe
y
remotecontrol.
y checkiftheproductisturnedon.
y
y checkifthepowercordisconnectedtoawalloutlet.
y
y checkifthereisaprobleminthewalloutletbyconnectingotherproducts.
y
y theimageismutedduringtheproductstartupprocess.thisisnormal.Ifthe
y
imagedoesnotappearinafewminutes,unplugthetVfor30secondsandtry
again.Iftheimagestilldoesnotappear,contacttheauthorizedservicecentre
inyourlocalarea.
y refertothe"Connection overview"andconnectanexternaldevice.
y
y checkthepowercontrolsettings.thepowersupplymaybeinterrupted.
y
y checkiftheautosleepfeatureisactivatedinthetimesettings.
y
refertothe"Sleep Timer".
y IfthereisnosignalwhilethetVison,thetVwillturnoffautomaticallyafter15
y
minutesofinactivity.
y Press +or-button.
y
y checkifthesoundismutedbypressingMUTE.
y
y scrolltootherchannels.theremayaproblemwiththebroadcast.
y
y checkiftheaudiocablesareconnectedproperly.
y
y achangeinambienthumidityortemperaturemayresultinanunusualnoise
y
whentheproductturnsonoroff.
y thereisnoproblemwithyourproduct.
y
y adjustthecoloursettinginthePicturemenu.
y
y Keepasufficientdistancebetweenthisproductandotherelectronicproducts.
y
y scrolltootherchannels.theremayaproblemwiththebroadcast.
y
y checkiftherearelocalinterferencessuchasanelectricalapplianceorpower
y
tool.
y checktheantennaoraimtheantennatotheproperdirection.
y
y Pixelsmayhavebeendamagedfromafixedimagedisplayedforalongtime
y
(imageburn).useascreensavertopreventthepixeldamageonthescreen.
y adjustthebrightnessandcontrastinthePicturemenu.
y
y checkifthesignalcableisconnectedbetweenthetVandproductsproperly.
y
y checktheselectedinputsourcebypressingINPUT.
y
y severalpixelsinred,green,white,orblackmayappearonthescreenthatcan
y
attributetothecharacteristicsofthelcdpanel.
thisisnormal.
y adjustthepositionsettinginthePicturemenu.
y
y checkifthevideocardresolutionandfrequencyaresupportedbytheproduct.
y
Ifthefrequencyisoutofrange,settotherecommendedresolutionusingthe
displaysettingsontheexternaldevice.
y checkthevideocableconnections.
y
y adjustthePhasesettinginthePicturemenu.
y
refertothe"screen".
y scrolltootherchannels.theremayaproblemwiththebroadcast.
y
y thestationsignalmaybeweak.aimtheantennatotheproperdirection.
y
y checkifthereislocalinterferencesuchasanelectricalapplianceorpowertool.
y
Resolution
Resolution
Resolution