Question about Sanyo DP50749 50 in. Plasma TV

1 Answer

Yes I have a DP 50749 sanyo plasma tv 50 inch the green power led comes on for 20 seconds goes off. then it sounds like relay on the main power board starts a clicking noise Then it stops clicking and the green power light comes back on and the cycle starts all over all the fuess on the power board are good. I am not a technicson my skills are limited to what I can do does this power supply have 2 LED lights on the board?

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  • Sanyo Master
  • 505 Answers

This is likely a heat issue, and the CPU of the tuner is instructing the power board to switch it off for reasons related to over heating. Check that a fan ventilation improves the problem. The solution is not easy but maybe adding a fan to the tuner CPU can fix this issue.

Posted on Jan 02, 2015

6 Suggested Answers

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Posted on Jan 02, 2017

Slapnuts1975
  • 51 Answers

SOURCE: Sanyo main board

Sanyo 1-800-877-5036

Or... www.shopjimmy.com for used parts.

Posted on Aug 06, 2008

waynejamescm
  • 67 Answers

SOURCE: Have a Sanyo Plasma TV

Hello,

Yep. The power supply in Sanyo Plasmas are generally prone to failures. It could be a failure in the panel not priming, but I doubt it. Turn the lights off in the room, then try to turn it on. If you see the screen faintly flash, the panel is priming, but it is not coming on. If the screen is lit, but is still "black," then it is a control or digital board. If it is totally black with no light at all, then it doesn't entirely rule out the first two, but makes a power supply failure more likely.

They usually have a lot of heat damage to them. If you have tried unplugging it for 15 minutes, then plugging it back in and it still doesn't work, the it is most likely a secondary in the power supply.

I hope this helps you...

Posted on Jan 10, 2009

  • 92 Answers

SOURCE: 50 inch Sanyo Vizon Plasma TV. Has sound but no

This set has LG insides, it will have failed on either the Y-Sustain PCB or the Z-Sustain PCB.

Quite common.

Repair estimates should be $250 - £350 depending on which has failed.

Stick it on eBay, it will fetch good money faulty.

Posted on Sep 06, 2009

Testimonial: "Thank you for your response. We were driving ourselves nuts - fuzes checked out fine and not other guess where to turn. We appreciate your help!"

  • 22 Answers

SOURCE: Sanyo DP50747 Replaced Power Supply still not working

this issue is related to either the y sustainer and z sustainer boards, checking the fuses on the y/b will giving you a good indication, if they are open(bad) then you'll have a easy fix, if not, i would try replacing the y board first.

Posted on Apr 16, 2011

  • 8457 Answers

SOURCE: have a sanyo 50" plasma

This tv problems are related to powering up the tv and sustancening the tv power source to the tv itself.Replaced the tv sub power supply board where the a/c power cord plug into it.Try website like Ebay.com to buy a whole new refurbish sub power supply board for the replacement.

Posted on Sep 06, 2011

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Here's a link to the manual (I always toss them, too)!
http://us.sanyo.com/dynamic/product/Downloads/DP50749%20OM%20(332--)-45914968.pdf
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Rate my solution!

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