Question about Toshiba 50H81 50" Rear Projection Television

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Flickering horizontal lines

I have this horizontal lines flickering affecting both the upper and lower end of the screen, where reddish lines in the lower end and a bluish hue lines in the upper end. Both of these lines continously flickers, I thoguht it could be convergence problem, and tried to correct it using the remote, usng both the crosshatch method and screen numeral method, am able to all three hues but when you open the screen, the problem remains. anyone, could this be an IC problem, or tube problem. Any suggestion will be greatly appreciated. Danubo49

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Sounds like a problem in the horizontal deflection circuit.possibly a solder problem. try re-soldering the horizontal transistor, line coils and yoke pins.

Posted on Feb 03, 2008

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Posted on Jan 02, 2017

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