Question about Pioneer SD-P50A5-K 50" Rear Projection Television

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I have a pioneer p5073-k iy comes on then goes off this was for a few months now it want come on

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Greetings!

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.

Good luck!
Rob

Posted on Jan 14, 2009

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I have a pioneer sd-p5073. Every now and then the picture will become blurry for a split second and then come back to normal with whatever imput I am using coming up in the top right corner. This happens...


Ur convergence is dying.Must replaced convergence ICS and all it resistors.Know how to solders?Buy a convergence kit at Tv Repair world.com,Tvrepairkits.com

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Make sure to check all the fuses with an ohm meter. Pioneer also have terrible solder joints. I used to "sweep solder" the whole convergence board. Down on the power supply you should find the pico fuses. They are pretty small in compairison to the glass fuses.

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I have a pioneer p5073k it comes on then goes off


I would check your maine power fuse I ran in to this problem and found my main fuse problem needed to be pinched together to make it tighter no problem since make sure you have the right fuse the only other thing ie un solder the regulator clean it off and re solder this is common in these set's hope this help's rocky

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1 Answer

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More than likely the SSB board. Part# 313912725871 cost around $200.00 or more. Plugs into the signal board on it's edge like memory in a computer. The only thing is these sets are junk, and this is just the beginning of your problems. Don't waste your money on fixing this set. They don't hold up to repair. Trust me on this, been fixing sets for over 20 years.....my full time job. Buy a Pioneer,Panasonic,Hitachi,Sony or a high end Sharp WITH an extended warranty. Nothing lasts anymore, but with the above sets, you have a chance of it lasting a few years and getting service if needed. Otherwise the other sets are disposable....no parts available. NEVER buy China made anything!!!! You might get 6 months, then it's ready for the junk pile. No service,No parts, No nothing.

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had the same problem on mine.
Found loose solder terminals on the main power transformer, resoldered fixed it up about 5 min.

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1 Answer

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it is the power supply board an know problem with pioneer. If you have any soldering experience you can remove the powersupply board and resolder the tracks and as many parts as you can. I had the same problem and not the power supply works great. You will soon have other problems like pic and sound going intermittant where you have to hit the tv to get it back on. more solder problems on video main board. best of luck

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1 Answer

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yes it is worth fixing.if you r getting it repaired for the first time.
but you will have to wait for some long time to get it repaired as the tv is very old its very difficult to get the parts for reparing it.

the problem what you r facing is the problem of the convergence in your main board of the tv.
it has to be repaired.
i will advise you to get it repaired as it will work.

for doing it your self you can try clicking this link and following the given instructions in it

http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

thanks.

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1 Answer

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Remove Convergence / power supply circuit board...replace
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best choice = upgrade to Hitachi = CZ 01341....let me know
if you have ? 's............T.

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