Sanyo PDP-42XR7K Service Manual

Contents

14signal types.Picture too bright and there isdistortion in the brightest areaz Check if the contrast setting is too high.z Possibly the output quality of DVD broadcaster is set toohigh.z It maybe also due to improper terminal connection of thevideo frequency signal in a certain position of the system.Picture is whitish or too bright in thedarkest area of the picturez Check if the setting for the brightness is too highz Possibly the brightness grade of DVD player (broadcaster)is set too high.No picture or signal produced fromthe displayer if “XXX in search”appears.z Check if the cable is disconnected.z Check if it’s connected to the proper terminal or if the inputmode is correct.There appears an indication -“outside the receivable scope)z Check if the TV set can receive input signal. The signal isnot correctly identified and VGA format is beyond thespecified scope.Remote control cannot workproperlyz Check if the batteries are installed in the reverse order.z Check if the battery is effective.z Check the distance or angle from the monitor.z Check if there is any obstruct between the remote controland the TV set.z Check if the remote control signal- receiving window isexposed to strong fluorescence.No picture and sound, but onlyhash.z Check if the antenna cable is correctly connected, or if ithas received the video signal correctly.Blur picture z Check if the antenna cable is correctly connected.z Of if it has received the right video signal.No sound z Check if the “mute” audio frequency setting is selected.z Check if the sound volume is set to minimum.z Make sure the earphone is not connected.z Check if the cable connection is loose.When playing VHS picture searchtape, there are lines at the top orbottom of the picture.z When being played or in pause VHS picture search tapesometimes can’t provide stable picture, which may lead toincorrect display of the liquid crystal TV, In this case pleasepress “auto” key on the remote control so as to enable theliquid crystal TV set to recheck the signal and then todisplay correct picture signal