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Proscan tv my proscan tv model ps50652 that 13 yrs old has developed a big black block at the bottom of the screen that covers about 1/2 screen. What do you think is happening. Pauline
Enter the user menu to see if you have text or telecaption on,if not your vertical section is possible at fault if the bottom half of the screen is blacked out.
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Take the tv aparts,check the Power switch see any burn marks,possible not holding connection.U know how to do soldering?Have sodering equipment,resolder the FBT,the Flyback Transformer,the big black block of plastic with the red wire with a cap hookup to the CRT(Tv Tub)
The line is there because the vertical deflection unit - the one that spreads that line across the entire screen to form the image - has failed. Replacing it is a job for a professional, or at least an experienced amateur, and the parts will be quite difficult to find for such an old tv .
The problem is that the panel has failed. Apparently this is a common problem with LCD TV's between 18 mths and 3 yrs old. If it survives over 3 yrs it is likely to last for a few years longer. The cost of replacing the panel is more than a replacement TV!
Defective light engine. Contact Sony support. They warrantied a lot of these sets even after the warranty had expired because of so many going bad after 3-4 yrs. Have the complete model and serial number ready when you call them.
The band is developing across both the top and bottom of the screen
it is called cinemascope picture.
it is a vertical failure.
it is not a major problem.
it is on you accrding to cost of repair.
it is due to less supply or part failure in vertical section.
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