Question about Sony Grand WEGA KF60XBR800 60" Rear Projection Television

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KF-60XBR800 Hi.. I have this problem with my KF-60XBR800 A DLP TV. it all of the sudden started to make puping sound.. from speakers. some times the pic flashes on.. then goes out. some drifting in pic.. (menu) menu comes on no prob. but inputs have problem. all video sources are ok. can you please help. thanks. Kudalski kudalski@yahoo.com

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  • jeremiah421 Dec 31, 2008

    I also have this issue with my Sony TV. I have a blue stain in the bottom right hand corner of my screen.



    Any fixers?

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The first thing to check is for dry solder joints on all parts of the circuit board you are having problems with, but as for that popping sound more often than not it is caused by a faulty capacitor somewhere. Hope this helps.

Posted on Sep 30, 2008

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KF-60XBR800


It's either lamp driver sony p/n# 1-468-510-11 or the optical block (ballast) sony p/n# A-1603-611-A. You could test for 275v steady on the ballast, anything less and the optical block is the culprit.
Bill

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