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PLEASE HELP! My two year old Samsung plasma model PN51D430A3DXZA stopped working. Samsung will not help me so im hoping someone else has experienced this. The red standby LED comes on when its plugg

Tv will not turn on

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  • Televison & ... Master
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Probably power supply failure

Posted on Mar 30, 2014

  • Fast Eddie Mar 30, 2014

    I think my post got cut off. The problem is that it will not turn on. The red standby light in lit when its plugged in but there is no other sign of life. The standby light does no blink and there are no clicking sounds. I have already checked all the internal capacitors (including the ones on the power supply) and they all look ok. Parts for this thing seem relatively plentiful but im not sure what to replace...

  • Fast Eddie Mar 30, 2014

    I suspect the power supply as well but im not positive. I know the caps on these things are a common failure point but they all look ok.

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SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

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SOURCE: JVC 42 INCH PLASMA POWER LIGHT BLINKING ONLY NO PICTURE

no kidding? what is the problem so prevelant in this unit? obvious design flaw.

Posted on Jul 26, 2008

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SOURCE: samsung s42sd-yd01 plasma television wont power up

i have also this problem 1 relay klikt than must klikt the second relay it do nothing
i see a few elco,s on the visibel boards who are dik the plastik is dik not the metal
to hot maybe
can this give the problems
somewone a solution for this tv ??
sorry for my bad englis
thanks

Posted on Aug 13, 2008

  • 1 Answer

SOURCE: Samsung TV won't turn on- trying to fix it. A challenging problem

I had the same problem. I live in NJ and called the local authorized "service provide" listed on the Samsung website. What a joke. Quoted $350 just to show up, never showed up. So I opened my own TV. Took off the plastic back (10 screws) took off the large metal RF shield (12-14 screws) and noticed a blown component. The markings on the component were KL15L and it is apparently an NTC Thermistor. Obviously it got fried and not knowing if there was other damage I decided to set out to replace the entire Power PCB Board Assembly and not the component. There were two part numbers on the assembled board (BN97-00457E & BN94-00622E). After searching online I also found a suitable replacement number for these (BN96-04896A). I found two places who claimed to have the part or have it on order (shopjimmy.com and vancebaldwin.com). After placing orders with both and having neither come through, I broadened my search and found out that the LNR409D was basically the same model as my LNR408D so I looked for its Power PCB Board Assembly part number which turned out to be BN41-00521B. Google search for that part number showed the item available on ebay. I bought it a week ago (ebay 260311519904) for $144 plus $12 shipping. I removed the bad board an hour ago (6 screws about 7 connectors) installed the new one, plugged in the connectors, replaced the covers, plugged in the TV... AND IT WORKS!
Suggestion: If your TV is out of warranty then open it up (what have you got to lose) and see if the problem is obvious and maybe something you can fix (replace) yourself. The parts, spare boards, etc. are out there if you look.

Posted on Nov 16, 2008

  • 2 Answers

SOURCE: Magnavox 50" plasma Won't Power on/Shut's off/Blinking red LED

The above fix, listed by Tom saved us!! We did as instructed and took off the back of our 50 inch Magnavox plasma tv. We were not sure what we were looking for so we googled capacitator (image) & there was a photo of a fried capacitator! Sure enough we noticed ours were "fried", we took out the board and went to an electronic supply store, bought the 2 capacitators ($2.00 each!!) and then found someone who did tv repair to sauter the new capacitators onto the board. (It is important someone who know how to sauter and recognizes polarity do do this for you) All in all we fixed this following the above instructions for $34.00 and our time. For a month we were told to spend hundreds getting a new power board!
Kudos to you Tom & thanks so much!!

Posted on Feb 02, 2009

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