Mitsumi electronic WD-73734 Flat Panel Television User Manual


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Appendices 75
Appendix E: Troubleshooting, continued
Sound (see also NetCommand troubleshooting for A/V receiver setup)
Symptom Remarks
1. Thereisnosoundevenwhenthe
volumeisturnedup.
• CheckiftheMUTEbuttonison.
• TheTV’s“Listento:”settingmaybesettoSAP.
• CheckthattheSpeakersoptionissettoTVtohearsoundfromthe
TVspeakers.
• IfusinganA/Vreceiver,checkthattheSpeakersoptionissettoAV
ReceivertohearsoundfromtheA/Vreceiverspeakers.
• PerformaSystemReset.
2. Thesounddoesnotmatchthescreen
picture.
• TheTV’sListento:settingmaybesettoSAP.
•
IfusingstereoorA/Vreceiverspeakers,checktheirinputselec-
tionintheInputs>AVRmenu.
• IfusingstereoorA/Vreceiver,checkthatDIGITALAUDIOOUT
and/orAVRAUDIOOUTPUTonTV’sbackpanelisconnectedto
theA/Vreceiver.
• NetCommand®issetupincorrectlyfortheA/Vreceiver.
Indicators
Symptom Remarks
1. LAMPindicatorlightisaconstantred. TurntheTVoffforatleast2minutes.Turnitbackon.Iflightis
stillred,thelamphasfailed.Replaceit.SeeAppendixCforlamp
replacementinformation.Forquestions,pleasecallMitsubishiCon-
sumerrelationsat(800)332-2119.
2. LAMPindicatorlightisaflashingyellow. Lampcoverdoorisopenorlampcartridgeisnotsecure.See
AppendixCforlampreplacementinformation.
3. STATUSindicatorlightisasteady
yellow.
• Roomtemperaturehasexceededproperlevels.Cooltheroom.
• TheTVhasoverheated.Clearblockedairventsandensureat
leastfourinchesofclearanceonallsidesoftheTV.
• Cleantheairfilteronthelampcartridge.SeeAppendixC.
Picture
Symptom Remarks
5. 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con-
vertsthemtohigh-definitiongraphics.
6. 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.
7. Screenisblack. ThePerfectColor™colorbalancehasbeenincorrectlyset.
ResetthePerfectColorbalance.
8. PicturefromanHDMIinputisnoisy(poor
quality).
UpgradeaCategory1(unmarked)HDMIcabletoaCategory2
HDMIcable.
9. Theimagefromacomputerappearsdis-
tortedwhenviewedontheTV.
NormalTVoperation.TheTVdoesnotcorrectdistortioninthe
picturefromacomputerbecausethecorrectionprocessmay
causetheedgesoftheimagetobecutoff.
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