XT500fred
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May 20, 2016, 12:19 PM
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LCD TV screen image frozen and distorted
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Hi, I have been given a Technosonic LCD2603ID TV by my neighbour. He was going to dump it because of a problem with the image display, but I'm hoping to fix it so I can use it in my garage. The TV powers on OK, and works fine for about 20 minutes, whereupon the image freezes and breaks up, and then starts to slowly fade to white. When the TV is turned off and on, it works OK, but will break down again. The problem is the same for all inputs we have tried: antenna, scart, HDMI and PC VGA. Here's some images: [URL=http://s266.photobucket.com/user/fredXT500/media/TV%20repair/WP_20160517_003.jpg.html] [URL=http://s266.photobucket.com/user/fredXT500/media/TV%20repair/WP_20160517_004.jpg.html] [URL=http://s266.photobucket.com/user/fredXT500/media/TV%20repair/WP_20160517_006.jpg.html] [URL=http://s266.photobucket.com/user/fredXT500/media/TV%20repair/WP_20160517_011.jpg.html] I've tried to research the problem but can't find anything specific to this problem. I'm thinking it's something on the mainboard (graphics chip overheating?) or the PSU. Both can be replaced easily, but would rather know just which one to replace. Cheers, fred.
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