Mitsumi electronic WD-73734 Flat Panel Television User Manual


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Appendices 73
Appendix E: Troubleshooting, continued
TV Channels
Symptom Remarks
1. TheTVtakesseveralsecondstorespondto
channelchanges.
• Itisnormalfordigitalchannelstotakelongertotunein.
•
PressENTERafteraenteringchannelnumbertoavoiddelays.
• Usea4-digitnumberforanover-the-airdigitalchannel.
• Usea6-digitnumberfordigitalcablechannelsifyourcable
serviceisabletorecognize6-digitchannelnumbers.
2. Youcannotaccessachannel.
• UsenumberkeysinsteadofCH
/ .
• Besurethechannelyouwanttoviewisinmemory.See
Setup>Scaninchapter5,“TVMenuSettings.”
• CheckthattheTVisswitchedtothecorrectdeviceor
antennaforthatchannelbypressingtheINPUTbutton.
• MakesureChannelLockisoff.
• MakesuretheLock>Parentmenulockissettooff.
• Ifyoucannottunetoavirtualdigitalchanneleventhough
theTVhasalreadymemorizeddigitalchannels,tunetothe
physicalchannelnumberusedbythebroadcaster.The
virtualchannelwillthenbeautomaticallyaddedtomemory.
General TV Operation
Symptom Remarks
1. AfanisrunningevenwhiletheTVispowered
off.
Theroomistoowarm.WhentheTVisoff,internalcomponents
continuetodrawpowerandmustbecooledbythefan.
2. TheTVremotecontroldoesnotwork. • Checkthatthebatteriesarefreshandinstalledcorrectly.
• CheckthattheslideswitchontheremoteissettoTV.
•
Benomorethan20feetfromtheTVwhenusingtheremote
control.
• ProgramtheremotecontroltooperatetheTVorother
device.
• Resettheremotecontrol.
3. WhenItrytousetheremotecontrol,the
POWERkeyblinksfivetimes.
Replacethebatteries.
4. TVdoesnotrespondtotheremotecontrolor
tofrontpanelcontrolandTVwillnotpower
onoroff.
UsetheSystemResetbutton.
5. WhenadeviceisselectedfromtheInput
Selectionmenu,thescreenisblue(nosignal
source).
• Makesuretheselecteddeviceisturnedon.
• BeginplayoftheVCR.
6.
YouhaveforgottenyourLockmenupasscode.
SeeAppendixB,BypassingtheParentalLock.
7. Ratingrestrictionsarenotworking. OpentheParentalLockmenuand:
• VerifythattheU.S.RatingsorOtherRatingssettingisOn.
• ChecktheLockTime/UnlockTimetocheckifratingrestric-
tionsaredisabled.
• RatingrestrictionsapplyonlytocontentonANT1andANT
2,INPUT1–3.
8. On-screendisplaysappeareachtimeyou
changeafunction.
NormalTVoperation.
9. Awarningmessageappearedonscreen
stating,“TVwillshutdowninafewseconds.
Pleasecheckiftheairflowisblocked.”
• 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.
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