Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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No power my tv was on and when i turned it off it wouldn't come back on

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  • Anonymous Apr 27, 2008

    same problem when the tv was turned off and i tried to turn it back on, the on button blinks on for 2 seconds then off. It does this 3 times and stops the tv does not come on. I hear what sounds like a contact come on and off with the power light. Any suggestions

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  • RCA Master
  • 8,617 Answers

That model is famous for the flyback going out part number 259296 you can get the flyback at the following link for under 50 dollars and they provide free on line tech support to help you do the repair which takes about a half hour from start to finish.
Here is the link.
http://servicemanuals.vstore.ca/

Posted on Apr 27, 2008

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No picture sound only


Very likely that one or more of the 3300μF (10v) capacitors in your power supply have failed and require replacement. If you're proficient with a soldering iron and other tools, it should be an easy fix -- less then $10.

I had this exact same problem recently (no video, only sound), and when it was happening, initially turning the unit off and back on resolved it. This subsequently (within a few days) developed into a problem where the TV wouldn't turn on at all (try to turn on and LED would turn green and relay would click, but a second later the LED would turn back red and another click would be heard). It would require 50-75 "power-on" attempts before the TV would stay on, and even if it did, sometimes there was no video. Finally (a few days after that), my wife heard a "pop" (she called it a mini-explosion) while the TV was on, and then she lost video/audio altogether. The TV wouldn't power on at all anymore -- it became stuck in a cycle where the relay would just click on and off until unplugged.

All of these could be traced back to some blown capacitors in the power supply module. On my 50PC5D, there were 6 caps, all 3300μF, 10V, 105°C. Five were clustered together, and one was on its own, but all 6 had split open at the top and leaked out electrolytic solution (fortunately due to location/orientation, no damage resulted within surrounding components). I replaced all 6, and now the TV is working like new again.

New capacitors at a local electronics supplier were about $1 apiece, so it was slightly more than $6 to replace them all. I would definitely recommend inspecting all caps in the power supply (there aren't that many... maybe a dozen or so)... if they're bulging even slightly, just replace them while everything is opened up.

I don't recommend buying a "repair kit" from eBay or the likes, since many of these contain insufficient parts and tend to be over-priced (e.g. I ordered a "kit" for my specific board for $25+S/H that included 4 caps, 2 FETs, and a fuse, but it would not have been sufficient by itself (needed 6 caps), plus the FETs and fuse were fine; in my case the TV died completely before the kit arrived in the mail, so I went about sourcing the parts locally). I thought I was taking the easy way by pre-ordering parts while the TV was still semi-working, since the TV was wall-mounted and I didn't want to take it down; however, I wish I had just pulled it and identified the parts needing replacement.

Good luck!
CalgaryBen

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Ur FBT,Fly Back Transformer high voltage is dead, the black block of plastic with a red wire with cap hook to a CRT(Tv Tube).

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your system control section has failed due to sudden power failure. 1please check power to system cotrol. 2check tunning &aft ckt in system. 3check memory ic & its section 4check system ic & its section regards

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