Question about RCA P56950 56" Rear Projection Television
While watching a movie on my tv the screen all of a sudden distorted into rainbow colors i turned it off and it wouldnt turn back on i replaced the fuse in the back regaining power, but my picture is bowed into the center what is wrong with it and how do i fix it?
It's most likely a failure of the convergence amp and some other power supply problem in the convergence circuit by the sounds of it... Your unit takes an STK730-130 and some 750k 1/4w resistors for the yoke return. I would bet two or more of them are out of value, at least R19702 and R19703... There are also two diodes Cr19710 and Cr19709. P/N# 164590 which commonly open under a load and are recommended to replace anytime the convergence amp is replaced. Also check Q19700 (Bc457) which crosses nicely to an NTE123a...
Not real expensive in a reputable shop - just a pain this time of the year.. I would recommend getting it repaired, it's worth it..
Posted on Dec 19, 2007
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