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Seiki TV no picture or sound

I have a Seiki SE551GS TV that is only 4 years old. 4 days ago the picture and sound went out while watching tv. I can turn on the TV as the red standby light changes to blue, but after that there is no picture or sound. I tried the Flashlight test, but have not seen anything. I did the hard reset as well with no success. A friend told me the Main Board needs to be replaced, so I looking for confirmation or any other input.

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1 Answer

shaun taylor

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  • Seiki Master
  • 1,527 Answers

Hi test the large diodes on the power board these can stop the led from firing up, thanks, ps send me a picture of the power board i'll show you the diodes

shaun

Posted on Jun 16, 2017

Testimonial: "Thank you for responding. how do i send you a picture of the board?"

  • Anonymous Jun 24, 2017

    sorry, I didn't see the comment button. I attached the picture of the power board. Thank you for the help

  • shaun taylor Jun 25, 2017

    sorry it won't let me highlight on the picture, this power board looks ok, the mainboard can cause this fault firmware failure, thanks

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5 Related Answers

Anonymous

  • 326 Answers

SOURCE: Bush id tv

Dear Sir, unfortunately tonight you will not be able to watch this TV set. Please try with an alternative solution. This job definitely requires a professional technician Best regards, Arpi

Posted on Jun 17, 2007

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HDTV GURU

Jay Henderson

  • 261 Answers

SOURCE: Sony BRAVIA KDL-52W3000

I would take that puppy back to store and get exchanged out. According to lemon law. Let me know what happens. Thank you Jay.

Posted on Feb 01, 2008

Anonymous

  • 304 Answers

SOURCE: panasonic TH-42PX60B

after you make repairs you can remove the 4A AC fuse and jumper a 150W light bulb across it. When set is turned on and no shorts are present, the bulb will glow. If it comes on bright, immediately turn off TV. More work needs to be done. If when Negative lead of VOM is connected to TP3 and the Positive lead to TP7 and with Plug P108 unplugged from power supply panel you have a low ohms reading, be sure to check D20 with one side lifted out of board. It is in series with a small RF choke and will read shorted if not unsoldered.

Posted on May 18, 2008

Anonymous

  • 187 Answers

SOURCE: Power Light on constantly ....no pic or sound....nothing.

Yep, your mainboard is damaged.

Replace it and your tv will work again

Posted on Jun 02, 2009

Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: Samsung HLP4674W - changed bulb - still no picture - lights flash

If the lamp has been replaced I would think the Lamp ballast would be most likliest followed by the color wheel and then the Digital board. You can get any part needed for your model at www.tvrepairworld.com just leave them a email they respond quickly.

Posted on Aug 28, 2009

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No backlight. Check and replace damaged component/s at its backlight inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Surf the site with patience. Pull up older posts. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
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F36650

Bad flyback transformer = 257805 or Asti 2078..........T.

Please rate this solution.................
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