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Jan 7, 2010 - 26 posts - 15 authors
Hi, I have a Samsung LN40A550 LCD TV which I have had for just over a year. ... I was watching TV yesterday and all of a sudden the picture went all. ... started makinga very high pitched buzzing sound with no picuture coming on. We did have a bunch of green vertical lines, but now just a black screen.
? 4:42
https://www.youtube.com/watch?v=SARGnOExL8c
May 11, 2013 - Uploaded by Tampatec
EASY Common LCD REPAIR Blank WHITE DISTORTED VIDEO... LCD & LED TV Repair - No Image & Blank Black ScreenFlashlight Test ...
Yes, it's the t-con board, a well know problem in this tv. Here it is http://www.partstore.com/Part/Samsung/Samsung/LN46A650/Samsung/Samsung/BN8101697A/New.aspx
Hi, Symptom shows problem with lcd panel (screen) however, t-con board that is part of lcd panel could be defective and cause of these symptoms. T-Con board is located at top center of cld panel at rear and would be covered with metal shield. There are three type of t-con board utilized according to lcd panel and are available in shopjimmy.com Please check what t- con board is similar with your tv board to order it. If you are not handy with electronics stuff repair then local tv repairman will help you to replace t-con board that might solve your tv picture problem. Thanks.
Medion LCD-TV model MD 30058 40inch is a "troublemaker", the problem you descibe Trond Larsen can probably be solve by replacing a capacitor on the CPU board, costing only NOK10,-
Are you placed in Norway?
you have what they call guns in the back of the tv blue/green and red and sounds like they have came out of adjustment. as far as the picture being black and white you should get a tv technician to check it
2. If they are correct, take out movie, press Play/Stop at same time on the front of the unit (not remote) to reset any settings that may have been changed.
When using the Component outputs on the player, make sure they are enabled in the player menu system (or sometimes there is a rear panel switch and sometimes both), as most players default the Component outputs to off. Even when the Component outputs are off, you will often get a color-distorted signal out as many players share circuitry between the various outputs.
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