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Very loud Buzz and screen looks like its cracked everywhere but isn't

Remote won't function. When It does this I have to unplug it before I go deaf. If i wait a little, I can plug it in and it will work until it happens again. Caps?? if so where?? or which board would be bad. Thanks, Bob now it won't turn on.. light stays red. All caps look good. Don't see anything burnt or damaged inside except the contacts of the plug going into the startup board look a little black

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  • 194 Answers

Sounds like the t-con board

Posted on Aug 01, 2017

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Posted on Jan 02, 2017

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SOURCE: Powering up and warmup problems

why does my lcd monitor change different colors no picture just turns to all sort of colors ViewSonic N2751W 27 in. LCD Television thanks 4 your help

Posted on Jan 04, 2008

  • 230 Answers

SOURCE: polaroid tlx-03210b lcd tv tv will not turn on

Yes I think that would be the problem, aswell as some dry (cracked solder joints). A bad cap is usually bulged on the top and looks like this:
http://www.auroracomputer.ca/images/bad_cap.jpg
hope this is helpful!

Posted on May 07, 2009

  • 1 Answer

SOURCE: black screen

There is a post by Stivo on this board that has helped many fix this type of problem. There are two capacitors on the power supply board that go bad and if replaced can fix this problem . The parts can be purchased at your local Radio Shack for about five dollars or less. I just did it today and it worked!!!

Posted on May 24, 2010

techman007
  • 1112 Answers

SOURCE: please can you help me narrow down an issue with

Hi:
This problem is direct and simple, Replace the T-Con board.

Posted on Nov 01, 2011

dduncan774
  • 760 Answers

SOURCE: LG 32LH30 screen won't power up. Red light at bottom glows hi to low, but no picture. Unplugged and waited overnight, plugged in again, still no picture.

There is a way to tell if you have a bad board, or a bad panel.

1. Make the room dark and turn on the TV. Can you see it light up? If so, does it stay lit or turn right back off?

2. If the panel lights, but you have no picture, I would suspect the T-con. Some units now have the T-con incorporated with the main board, so you will need to check.

3. If you never get any light at all, then I would suspect the power supply.

4. If you only get light for a second or two, then you have a bad panel.

Posted on Apr 10, 2012

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