Question about Televison & Video
Thanks for using FixYa. Unfortunately it is not possible to contact a specific expert however; I can provide the required assistance. To start with you’ll have to open the back of the unit, then check the power supply board and check for bad components. As the power supply board develops high voltage to supply to all components so you should check that board for any bulged capacitors. If still the issue is not resolved then the issue might be with Y-sustain or X-sustain board. These boards are located on the right side of the unit. Check for any high power sources near the TV or any cordless kept near the TV. These things can also affect the working of TV. Loose connection inside panel or some output chips are gone bad. Also check that there is no moisture behind the lower front molding which might have corroded the small electrical connections. Don’t allow moisture to run down the screen. It may also be caused due to incorrect wiring in the TV or the wires that run to and from the TV. Please check and replace whichever is required. All this is only recommended if you have electrical expertise and know how to solder/re-solder components. Please do accept the solution if the issue is resolved or post a comment for further assistance.
Posted on May 28, 2010
Top half of the display periodically blanks black shows that problem could be in panel drive boards located on either sides, visual check by qualifier tech is needed to identify what board is causing problem and luckily all boards of PD42746 are available in Shop Jimmy on reasonable price so repair would not cost you too much.
Call local tv repair shop and ask them to replace defective board as replacement would be available with Shop Jimmy.
Hope these info will help you.
Posted on May 28, 2010
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Posted on Jan 02, 2017
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