Mitsubishi VS-55705 55" Rear Projection Television Logo

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Posted on Jul 06, 2009
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PICTURE IS STRTING TO BEND AT THE TOP AND BOTTOM

PICTURE IS STARTING TO BEND AT THE TOP AND BOTTOM FOR A FEW MINUTES WITH THE COLORS BLURING THEN IT RETURNS TO NORMAL , WHAT NEEDS TO BE FIXED ??
55 IN REAR PROJECTION MITSHUBISHI BOUGHT 2001 AND NEVER REPAIRED

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  • Posted on Jul 06, 2009
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This sounds like the most common thing that fails on projection TV's, regardless of the brand. The convergence circuit has two, or sometimes three STK IC chips mounted on heat sinks to drive the convergence yokes. They typically last anywhere from 5-10 years, then they fail. It sounds like in your case, the solder joints on the bottom of one of these chips may be failing and some fresh solder will make it go for a while. If it was my set, I would go ahead and replace both STK chips once I took the trouble to take it apart.

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