Mitsubishi Electronics WD-57831 CRT Television User Manual


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114 Appendices114 Appendices
Picture
Symptom Remarks
1. Picturedoesnotlooklikeahigh-definition
picture.
Notallsignalsarehigh-definitionsignals.Toreceivehigh-defini-
tionprogrammingfromyourcableorsatelliteprovider,youmust
subscribetotheprovider’shigh-definitionservice.Someover-
the-airbroadcastsareinhigh-denitionandcanbereceivedwith
ahigh-qualityantennasuitedtoyourlocation.
2. Picturehasbecomenoticeablydimmer. • Adjustpicturebrightnessandcontrasttomaximumlevels.
• Thelampisnearingtheendofitslife.Orderanewlamp.See
AppendixCfororderinginformationandreplacementinstruc-
tions.
3. SplitScreendoesnotdisplayasub-picture. • MakesuretheParentalLockisoff.
• Notallinputscanbedisplayedasasub-picture.
4. CableCARDchannelisnotshownasSplit
Screensub-picturewhenCableCARD
channelisthemainimage.
CableCARDallowsonlyonechannelatatimetobeused.
5. Thereisalargeblackorgrayrectangleon
thescreen.
TheTV’sanalogclosedcaptioninghasbeensetto“text”modein
theCaptionsmenu.Turnoffbecausethereisnotextinformation
beingbroadcast.
6. Youcannotviewapicturewhenplayinga
VHStape.
CheckyourVCR’sowner’sguideforfurthertroubleshooting.
7. VCRorDVDplayer’son-screenmenusjitter
upanddown.
Possiblecause:ManyVCRsandDVDplayersprovideon-screen
menusatonlyhalf-resolution.Theselower-resolutiongraphics
mayappeartojitterupanddownwhentheTVconvertsthemto
high-definitiongraphics.
8. WhenviewingastoppedVCR,whitelines
arerollingonthescreen.
• TurnoffvideomutefortheVCR.
• Beginplayingthetape.
• ChangetheVCRinputtotheantennainput.
Appendix E: Troubleshooting, continued
TV Power On/Off
Symptom Remarks
1. TVtakesanexcessivelylongtimetopower
on.
• Whenswitchedon,theTVneedstimetobootup,justasa
computerdoes.Also,theTV’slamprequiresafewmoments
toheatuptofullbrightness.
• TVEnergyModeissettoLowPower.TochangeTVEnergy
ModetoFastPowerOn:PressMENU,opentheSetupmenu,
highlighttheFastPowerOnradiobutton.
2. YoucannotprogramtheTVtoturnonauto-
matically(Timerfunction)
• TheTVmaybelocked.
• Theclockmaynotbeset.
• Atime-delayedrecordingmayhavestarted.
• TVEnergyModeissettoLowPower.ChangetoFastPower
OninSetupmenu.
3. TheTVwillnotturnonafterbeingpluggedin. Ifgreenlightonfrontpanelisblinking,waitforatleastoneminute
forthelighttoturnoff,thenpressPOWERagain.
4. TVturneditselfoffandthelightonthefront
panelstartedtoblink.
• MomentarypowerfluctuationcausedtheTVtoturnoffto
preventdamage.Waitforthegreenlighttostopflashingand
turntheTVonagain.
• IftheTVdoesnotstayon,usetheSystemResetbuttonon
thefrontpanel.Ifthishappensfrequently,obtainanACline
powerconditioner/surgeprotector.
•
Anunusualdigitalsignalmayhavebeenreceived,triggeringa
protectioncircuit.WaitforthelighttostopflashingandturnTVon.
5 TVwillnotpoweroff. UsetheSystemResetbutton.
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