Question about RCA P52939 52" Rear Projection Television
I can converge in the center portion of the screen. But outer portions top, bottom, left and right form a pincushin. The curvature doesn't allow for convergence even though I can move the three colors. Please help
But there are two
quick things you might be able to do. If it is a PTK195 you can most
likely install the updated power supply board. If you can solder and
know safety (like discharging caps) you can update the PS chip from an
STK730-??? to an STK730-180 (IIRC). I found that simply replacing the
chip with an equivalent fails most of the time. The 180s seem to hold
Posted on Dec 19, 2007
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Posted on Jan 02, 2017
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