Philips BDL4677XL Home Theater Screen User Manual


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BDL4677XL
29
7.2. Troubleshooting
Symptom Possible Cause Remedy
No picture is displayed 1. Thepowercordisdisconnected.
2. Themainpowerswitchonthebackofthe
displayisnotswitchedon.
3. Theselectedinputhasnoconnection.
4. Thedisplayisinstandbymode.
1. Pluginthepowercord.
2. Makesurethepowerswitchisswitchedon.
3. Connectasignalconnectiontothedisplay.
Interference displayed on the display or audible
noise is heard
Causedbysurroundingelectricalappliancesor
uorescentlights.
Movethedisplaytoanotherlocationtoseeisthe
interferenceisreduced.
Color is abnormal Thesignalcableisnotconnectedproperly. Makesurethatthesignalcableisattachedrmly
tothebackofthedisplay.
Picture is distorted with abnormal patterns 1. Thesignalcableisnotconnectedproperly.
2. Theinputsignalisbeyondthecapabilitiesof
thedisplay.
1. Makesurethatthesignalcableisattached
rmly.
2. Checkthevideosignalsourcetoseeifit
isbeyondtherangeofthedisplay.Please
verifyitsspecicationswiththisdisplay’s
specicationsection.
Display image doesn’t ll up the full size of the
screen
1. Thezoommodeisnotsetcorrectly.
2. ScanModemaybesetincorrectlyto
underscan.
3. Iftheimageexceedsthescreensize,Scan
ModemayneedtobesettoUnderscan.
UsetheZoommodeorCustomzoomfunction
intheScreenmenutonetunedisplaygeometry
andtimefrequencyparameter.
Can hear sound, but no picture Improperlyconnectedsourcesignalcable. Makesurethatbothvideoinputsandsound
inputsarecorrectlyconnected.
Can see picture but no sound is heard 1. Improperlyconnectedsourcesignalcable.
2. Volumeisturnedallthewaydown.
3. [MUTE]isturnedon.
4. Noexternalspeakerconnected.
1. Makesurethatbothvideoinputsandsound
inputsarecorrectlyconnected.
2. Press[VOL UP]or[VOL DOWN]buttonto
hearsound.
3. SwitchMUTEoffbyusingthe[MUTE]
button.
4. Connectexternalspeakersandadjustthe
volumetoasuitablelevel.
Some picture elements do not light up
Somepixelsofthedisplaymaynotturnon. Thisdisplayismanufacturedusinganextremely
highlevelofprecisiontechnology:however,
sometimessomepixelsofthedisplaymaynot
display.Thisisnotamalfunction.
After-Images can still be seen on the display
after the display is powered off. (Examples
of still pictures include logos, video games,
computer images, and images displayed in 4:3
normal mode)
Astillpictureisdisplayedforanoverextended
periodoftime
Donotallowastillimagetobedisplayedfor
anextendedperiodoftimeasthiscancausea
permanentafter-imagetoremainonthedisplay.
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