Question about RCA P56940 56" Rear Projection Television
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Posted on Jan 02, 2017
the base to emitter of the hot will read short on a diode checker/test on ohms it vairies but typically about 50 ohms.e to c, or b to c should have very high resistance. unsolder the collector of the hot. make sure all solder is gone. now test the ohm between your tuner ground & the pad of the hot collector it should read open.
Posted on Jan 16, 2007
The chirping sound is the power supply trying to come up, but can't due to a short or other condition. Open up the set and see if there is any obviously bad (burned) components.
Posted on Jun 27, 2007
I have the same model and the same problem - the picture just started getting slightly blurry, and moving objects get sort of grainy and jagged around the edges. I'd like to try the flyback adjustment you mention, but I have no idea what to look for. Is there a guide or reference that could help with this stuff? Schematics?
Posted on Oct 08, 2008
tv worked great, turned it off one day and back on the next and the on light would not come on nor would the tv work, rear projection 52 inch rca
Posted on Nov 07, 2009
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