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TOSHIBA 46G300U TCON BOARD REPLACED BUT...

I replaced the TCON Card on my TOSHIBA 46G300U but same problem as before. When turned on fine for half hour so but then picture quality deteriorates. Ghost images, then little checkered background. Sometimes color lines. TV is ten years old. Is it time to toss? Anything I can do on a cost effective basis to repair? PS I have made sure all cables are securely and correctly connected.

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  • Toshiba Master
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Ten years? Toss it.

Posted on Jun 14, 2019

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Posted on Jan 02, 2017

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Charles Tidwell

  • 475 Answers

SOURCE: My Dynex TV model DX-LCD32-09 HAS FAILED AGAIN. I

Make sure when you relace it you have an antistatic inviroment, and grounded braclett on.

Posted on Feb 22, 2011

SOURCE: Is the video processor board the same thing as the tcon board on a sony lc42d62u? Have sound, no picture. I have replaced backlight inverter boards & main board. Could it be the tcon board?

yes it could be a t-con board but could also be a 12V power supply output failure. The Video processing board, and LCD panel uses 12V

Posted on Oct 14, 2012

gopakumarg43

The Knight

  • 76237 Answers

SOURCE: 70in vizio has no picture but has sound. I replaced the tcon board and the picture came back for about 5 seconds but faded out. Is the tcon board bad again?

Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Posted on Sep 02, 2015

emissionwiz

Marvin

  • 85223 Answers

SOURCE: hi can you help when i disconnect my tcon connector from main board tv powers up with backlight i recently replaced the power board tcon is bad right?

Without hands on testing I have no idea if it is bad.

Posted on Jul 12, 2017

Testimonial: "Well if the power light still blinkinking in the front them what you think it can be?"

Larry

  • 2800 Answers

SOURCE: Have Vizio E60-c3 LED TV. Picture not working, Backlights on, Audio works. Ordered Complete repair kit from Shop Jimmy.

About 99% of the boards from shipjimmy are good, unfortunately lI think you have a bad panel and its destroying the tcon board, did you check the fuse on the tcon board?

Posted on Feb 21, 2018

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http://electronicshelponline.blogspot.com/

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