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My TV (Sylvania 6842THG) wont power on

I plug the tv in and the red standby light comes on. when i hit the power button the light turns green, flashes, and goes back to red how can i fix this problem or is it even worth my time?

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  • Contributor
  • 19 Answers

Sounds like one of the video cards inside the TV stop working or the plasma panel has stop working.

Posted on Nov 27, 2012

  • 1 more comment 
  • jacob_moreno
    jacob_moreno Nov 27, 2012

    how much are the video cards/panel

  • Ohad Klein
    Ohad Klein Nov 28, 2012

    you can google for sylvania 6842thg parts

  • jacob_moreno
    jacob_moreno Nov 28, 2012

    ok ill try that

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ronaldo_ross
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SOURCE: There was a power surge and a loud pop and now the

A job for the technician on this one. I have only worked on several flat screen before, on my last days as an electronic technicians. Half of the ones I worked on was the power supply inside ir the problem was like this. Instruction on how to fix them would require me to write many pages on electronic theory so, I am very sorry It is almost impossible for me to help you on that. Be carefull where you take that tv to. some shop can't fix those. You may have to search your local area for someone who specialize in flat sreen HDTV. Well I hope I have shed a little light on the problem. Thanx for posting the problem.

Posted on Jun 29, 2009

SOURCE: WONT TURN ON

Most likely, the problem is a defective Main Processor Board. This is the board with the antenna, RCA and HDMI plugs. You cant repair or replace component parts on this board, so dont even try. You must replace the complete board. The TV says Sylvania, but it is a bloody Funia TV. Several years ago this foreign company bought out broke-azzz Sylvania . They are still carrying the Sylvania name since Sylvania was a popular TV name in the 70s. Every electronic company in the USA is now owned by the Chinese, so call Funai and order the part from them. Dont be surprise if they dont have a clue what the heck you asking for. America and all electronics have gone to the puddles. Do you know why? GREED.

Posted on Jun 10, 2009

  • 5 Answers

SOURCE: Sylvania 6842THG won't turn on

I have been having the same issue. I unplug the TV for 10 minutes and it usually works fine. I moves all of my A/V plugs to a single power strip and that helped a lot. Since then, the TV went into protection mode only once in 2 weeks. Next, I will use a power strip that includes the cable protection.

Posted on Jan 26, 2010

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My flat screen Sylvania TV is flashing different colors what's wrong


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Red standby light is on, but when I hit the power button the red light blinks and does not turn green as is normal and th TV doesnot come on. What is going on?


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Sylvania 6842THG won't turn on. the tv red light displays when you push the power button you hear a click and then 5 - 10 seconds it goes back off


I have been having the same issue. I unplug the TV for 10 minutes and it usually works fine. I moves all of my A/V plugs to a single power strip and that helped a lot. Since then, the TV went into protection mode only once in 2 weeks. Next, I will use a power strip that includes the cable protection.

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1 Answer

There was a power surge and a loud pop and now the tv will not power on. The red standby light is lit, but when I try to turn on the tv, the green power light flashes twice and then goes back to the red...


A job for the technician on this one. I have only worked on several flat screen before, on my last days as an electronic technicians. Half of the ones I worked on was the power supply inside ir the problem was like this. Instruction on how to fix them would require me to write many pages on electronic theory so, I am very sorry It is almost impossible for me to help you on that. Be carefull where you take that tv to. some shop can't fix those. You may have to search your local area for someone who specialize in flat sreen HDTV. Well I hope I have shed a little light on the problem. Thanx for posting the problem.

Jun 29, 2009 | Sylvania 6842THG 42 in. Plasma HDTV

1 Answer

WONT TURN ON


Most likely, the problem is a defective Main Processor Board. This is the board with the antenna, RCA and HDMI plugs. You cant repair or replace component parts on this board, so dont even try. You must replace the complete board. The TV says Sylvania, but it is a bloody Funia TV. Several years ago this foreign company bought out broke-azzz Sylvania . They are still carrying the Sylvania name since Sylvania was a popular TV name in the 70s. Every electronic company in the USA is now owned by the Chinese, so call Funai and order the part from them. Dont be surprise if they dont have a clue what the heck you asking for. America and all electronics have gone to the puddles. Do you know why? GREED.

May 07, 2009 | Sylvania LC320SS8 32 in. LCD Television

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