Question about Pioneer SD-P50A5-K 50" Rear Projection Television
Most of the intermittent problems in these were caused by instermittent solder connections. Now that it won't come on at all, you may be experiencing a different problem. These were famous for having the regulator for the convergence controller go bad. When they failed they would knock out the 4 amp fuse on the secondary power supply line. The best part is that they, too, would be intermittent, which is to say that you would replace that fuse and the set would be fine. Sometimes for 2 days, other time for two weeks, then the fuse would open again and you ended up replacing the regulators.
With either problem it is not something that I recommend you attempt unless you are an experienced repair tech. These are very easy to create more problems than what you started out with. The up side of all of this is that you have a very high quality RPTV that had a very nice picture for its time. Depending on the fairness of your local TV tech it would be worth repairing: it would be worth at least his diagnostic fee to confirm the problems.
Posted on Jan 14, 2009
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Posted on Jan 02, 2017
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