60TroubleshootingBefore requesting service for this LCD/DVD combo, check the chart below for a possible cause of the problem you are experiencing.Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem,consult your dealer for instructions.For TV broadcasts (VHF, UHF)SymptomsPower supply does not go onRemote control cannot beoperatedImage shakes, or image isunclearThere are spots on the picture,or the screen shakesThe image appears doubledor tripledA color pattern appears, orcolors disappearOnly a certain channel looks badT h e c h a n n e l n u m b e rdisappears from the screenWhen the image is not stable,the screen turns completelywhite for a momentThe screen goes darkm o m e n t a r i l y w h e n t h echannel is changed.The TV makes a hissingnoise occasionallyThe screen display shakeswith video inputThere are parts at the topand bottom of the screenwhere there is no imageTop and bottom of pictureare missing after zoomCause and remedy• Is power supply plug unplugged from the outlet?• If power will not go on with the remote control, is the power supply of the TV "Off"?• Is battery exhausted, or is battery polarity wrong?• Is the remote control receiver illuminated with strong light from a fluorescentlamp etc.?• Are you using the special-purpose remote control that come with this equipment?(The unit will not operate with another remote control.)• Is there deterioration, breakage or disconnection of the antenna or antenna wire?• Is the antenna wire connected correctly?• Is the system affected (by radio wave interference or induced electromagneticwaves) by external sources (automobiles or trains, high-voltage wires, neon,motors, magnetized steel frame, or iron rain shutters, etc.)?➠Turn off the power supply, and try changing the equipment setup location. Ifthat has no effect, separate magnet-proofing will be required.• Is the antenna direction shifted?• Are reflected electromagnetic waves being received from mountains or buildings?• Is the equipment being affected by another TV (electromagnetic interference)?➠Changing the TV setup location may lead to improvement.•Is channel fine tuning correct?• Has the screen display button been pressed?➠Press the "Screen display button" again.If the system is switched to external input and there is no external signalvideo, the number will disappear.• This occurs when the signal for driving the liquid crystal is lost, and is not amalfunction.• The screen is darkened for a moment to conceal noise generated when changingchannels.• If the screen and audio are not abnormal, this sound is caused by slight expansionand contraction of the cabinet due to changes in room temperature. It has noeffect on performance.• When input is switched to "video input", this may occur if there is no signal at thevideo/audio input terminal.• With video software wider than 16:9 (cinema vision size software etc.) there areparts at the top and bottom of the screen where there is no image.• Has the screen position adjustment been left shifted?➠Adjust the screen position.Page–137–––8, 9––––19–––10, 182124