Question about Sony KP-53S65 53" Rear Projection Television

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Sony KP 53S65 53" rear projection TV contrast issue

My Sony KP 53S65 53" rear projection TV has developed a problem that I am guessing is what would be called a "contrast" problem. The picture is fine as far as color, tint, brightness etc. I say fine meaning the picture is not blurry or distorted or degraded in any other way but the blacks (or any dark color will appear this way) on the screen are not nice and clear black, they seem to have a whitish or washed-out look to it as if the brightness were turned up really high. I've tried every video setting and combination therof to try and eliminate this whitish appearance but have been unsuccessful. The TV is over 8 years old and I have done nothing to it except turn it on and off. It has worked flawlessly. Only lately has it developed this annoying problem. I don't know if a cleaning would fix it, it has never been cleaned (if it ain't broke don't fix it, right?), or if an lamp or gun etc. needs to be replaced. HELP!!!

Posted by Mike Cafarella on

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Bill Heronemus

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While the root of the problem is likely the picture tubes aging, I'm sure it would benefit from a cleaning and adjusting. After the dust is cleaned from the lenses, the screen controls could likely be lowered to get the blacks you desire. An experienced tech would be able to do this for you.

Posted on Jan 03, 2007

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I have a 8 year old 57in Sony projection HDTV,when the picture is dark you can see faint blue lines in a curved arch like pattern across the screen.Any ideas? Thanks


The tv problems is call a convergence picture problems,it is just starting to developing.This problems when it is fully developing into a convergence picture problems to the tv eventually.Tv will develope into a colors lines R,G,B mis alignments,have a colors shadow pictures or into a picture 3D look alike.Eventually the tv convergence board will dies,have to have it parts replaced like 2 STK convergence ICS and some or all of it resistors too.This problems the tvs shops will cost u like $300-350 for parts and lobors.

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Hello,

Maybe need sort of ajustment of the projection inside. clean the circuit and resoldered all parts maybe some loss connection in the circuit board. becarefull of high voltage that can hurt you.

may this help, melnavz

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1 Answer

Green lines developing about every 6 inches going across horizontally with slight arch on end sony projection tv KP57WS500


This is convergence out ICs failure and will be replaced for correct picture in TV.
Let me know if you can solder parts in circuit board of TV with necessary tools to provide you IC number and store address, or call local TV tech for fix if you are not comfortable with TV repair.
Thanks.


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2 Answers

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4-090-881-11 SCREEN (57), CONTRAST (KP-57WS510 ONLY)
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Also check HERE for your TV screen.

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1 Answer

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These sets have been known to have loose welds in the picture tubes. Most likely your tubes are showing this problem.

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1 Answer

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