Question about Sanyo DP42746 42 in. Plasma Television

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Sanyo plasma 42 TV Turn off for no reason

I was wathing tv and the tv shout donw for no reason, no more image but the green light stay on but no image. I unplug the tv for about 15 min. and i plug back and the tv got on for about 3 sec. and tourn off after with no more image.

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  • 5 more comments 
  • jmtaylor Nov 18, 2007

    have same problem did you find a solution.

  • yawnee Feb 05, 2008

    i am having same problems the past 3 weeks

  • Anonymous Feb 21, 2008

    Same problem here...... an solution yet?

  • crocogator10 Jun 29, 2008

    screen is dark no sound but green light is on. unplug and replug and tv turns on and sounds like it turns its self back off again.

  • caroleanne41 Sep 02, 2008

    i was watching tv and the screen went blank i unplugged it and plugged it been in and you can hear it come back on but still my picture no nothing carole

  • skb10154ever Sep 03, 2008

    While watching tv the entire screen shutdown and went black and no sound, i have only had it for a lil over a year..

  • Anonymous May 03, 2009

    watching tv and lost picture and sound. Green power indicator shows the tv has power.

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8 Answers

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Ok Fellas I found the Problem!
The Problem is the V4 Y-Main Board. This board is located on the left side of the case looking upright from the back. I spoke with may suppliers, and Sanyo all confirming this. Apparently it has been an issue for some time. Sanyo has replaced the V4 Y Main board with a W1 Y main board in newer models. The W1 Board is NOT compatible for us tho. Just to be sure... If your T.V is taken apart (like mine) Disconnect the peripheral cable from the V4 Y Main, and turn on the set. I bet it will power up with audio and channel function just NO picture. When you plug the board back in... POOF set shuts down. Replacement boards are VERY hard to come by. So Happy Hunting!

42' HD V4 Y-MAIN
PCB: LJ41-02760A LJ41-02761A LG92-01200A BN96-03352A

Oh yeah.. just FYI, Sanyo, Phillips, and Samsung all use the same parts. Hopefully that will help your searching.

Posted on Aug 04, 2008

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I need to know where i can purchase a y main board for my tv and the buffer up and down boards

Posted on Nov 17, 2009

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After hunting for 2-3 months for the Y-Buffer Upper assembly, I finally found a parts dealer...

http://www.partstore.com/

Phone Number: 1-866-925-7278

PCB: LJ41-02760A - $84.36

And yes... Dell, Sanyo, Phillips, and Samsung all use the same parts.

Posted on Sep 23, 2008

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Sanyo dp42746 sound good when turned on you get a green flash on the screen over and over.can we fix it?

Posted on Sep 16, 2008

Product of Japan is good

but made in Japan sucks

Posted on Jul 25, 2008

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I think the power supply or logic board have failed, both are made by Samsung. My issue is knowing where to purchase replacements.

Posted on Dec 04, 2007

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Parts are available straight from Sanyo. 1-800-877-5036. At the prompt key in 0 for the operator and ask for the parts dept.

Posted on Jun 04, 2008

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I had the same problem and Sanyo does not make parts for this model anymore. Luckily I had the extended warrantee so they reimbursed the full purchase price.

Posted on Jun 16, 2008

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Posted on Jan 02, 2017

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