Question about Samsung HP-R5072 50 in. Plasma HDTV

3 Answers

Have sound but no picture on Samsung plasma

I have a 50" Samsung Plasma model: HPT5054X/XAA version:AQ25 and it turns on and has sound but the screen is black. What could have caused this and how can I fix it?

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  • Anonymous Mar 17, 2014

    samsung hpt5054x xaa has constant strobing\flashing (especially bad when there is a light or white background)

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  • Contributor
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It's a pretty common problem. The no picture but sound problem is usually the y sustain board. I've replaced 2 on mine now. The 680uf 35V capacitors usually are bulging because one of the power transistors went and took them out. This has happened to both of the y boards I had. One time the failing y board took out the buffer boards too, and once it did not. The fix is super simple and anyone with even the most rudimentary knowledge of computers or electronics can do the labor yourself. You should do the simple stuff first by just doing a quick test with a multimeter. Just check the power coming to the y board. After that you can just remove the y board by removing 3 cables and like 3 screws. Plug in the new board and it's done! You can source the parts from a place like shopjimmy or discount merchant. 3 boards were like 200 bucks. 1 board is like 100 bucks. Labor took me 15min. Think about that the next time an electronics repair place charges you 1000 dollars. Of course they check everything (Yeah right) and warranty their work (I don't) but if you check the service manual it states that this is the most common repair. Look for the Canadian manual online. Hope this helps!

Posted on Feb 23, 2010

  • 1 more comment 
  • werefishin Sep 27, 2010

    This is supper great if you know what you're looking at if you take the back of the TV off. Which I don't. When I open it up, will it be easy to figure out which is the Y board?

  • Christopher Chaisson
    Christopher Chaisson Mar 17, 2011

    Your best bet is go buy the new capacitors, remove the old ones, and replace it yourself. I have the same TV and thats what I did. Searched the **** out of it on the net, found this link, watched some video and went for it.
    3 capacitors= $5.11
    1 solder gun and solder= about $18
    fixing an incredibly intimidating TV by yourself= PRICELESS!http://answers.yahoo.com/question/index?...

  • Christopher Chaisson
    Christopher Chaisson Mar 17, 2011

    Do more research man. Watch videos on youtube, it's not hard and you'll learn something

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I have the same exact Samsung Plasma tv and that happened to me. It was the Plasma screen and the y-sus board (sold together from Samsung). Repair was $770. Well worth it if you would ask me! Beets paying that much again for one.

Posted on Mar 03, 2010

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  • Samsung Master
  • 1,039 Answers

Likely the sustain boards. Check some voltages like va and vs on the power board.The correct values will be listed inside on the back of the panel. The test points will be on one of the connectors. Measure with respect to ground.

Posted on Sep 12, 2009

  • electroman Sep 12, 2009

    Likely the sustain boards. Check some voltages like va and vs on the power board.The correct values will be listed inside on the back of the panel. The test points will be on one of the connectors. Measure with respect to ground.

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