Question about RCA P56950 56" Rear Projection Television

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Rca p56927 colors out of line

The red blue and green lights dont line up. when there is words on the screen i see the words in 3 different colors. how can i line them back up???

Posted by garet olsen on

  • G Rider Dec 18, 2007

    When the TV is turned on the picture is crisp and clear, then the colors separate. Also, picture concaves. Trying to reset TV only produces same effect. Trying to adjust convergence will not work.

    Thanx

    GhostRider

  • Anonymous Feb 12, 2008

    how to adust the screen

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1 Answer

William Rayburn

William Rayburn

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  • 934 Answers

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..
Bill

Posted on Dec 19, 2007

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The more you tell me the better I can help.

I am expert with these sets and know them well.

SD TECH

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