Question about RCA R52WH73 Projection Television
I have the 3d picture and i dont know what or how to fix it. i have read in the other forums but i dont know how to locate anything everyone is talking about! i need descriptive answers or pictures. please help
If the convergence adjustment is not moving the beam chances are theconvergence IC(s) are defective. If you know how to solder andunderstand TV safety you may be able to fix it. With power disconnectedremove the back. You should see two large heat sinks with large ICs (3by 6 inches) with about 30 leads going through the circuit board.Numbers on the ICs should usually be something like STKxxx-xxx or somevariation with x being a number. These ICs control the position of thethree beams. If they go bad you can't adjust one or more beams. Replacethem both as you don't want to get in there again in 3 months. Cost isnot that much. http://www.tritronicsinc.com or http://www.partstore.comshould have them at a reasonable price. Before replaceing the ICs lookat the circuit board closly for cracked solder joints. Resoldering anybad joints might just solve your problems and avoid replacing the ICs.Good luck and remember safety.
Posted on Aug 01, 2008
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Posted on Jan 02, 2017
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