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Hi, I got a Samsung LED SMART TV model un40f5500ag I saw your video and I think the problem is the TCON because I got back leds on and I hear the sound of the tv,

But I want to make sure is the tconn, the problem came with my son (4 years old) trying to clean up the tv with windows wash driver I saw the Shop Jimmy video and I guess is the TConn

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Posted on Jan 02, 2017

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return it to the manufacturer

Posted on Jul 17, 2012


SOURCE: My samsung tv model UN29F4000, has sound but no picture, no menus come up. I'm not sure if it has a tconn board or not. What is the most common problem with a tv with these symptoms

The most of this TV problem is that the inverter transformer built on the main power supply is bad, to fix it, you may replace the transformer , or replace the power supply module.

Posted on Apr 06, 2015

Testimonial: "Hi, I replaced the power supply module and still sound but I did notice a very faint image on the screen in the dark can't make it out but something is there but any light shining on the screen and you won't notice it. Any other suggestions for this problem"

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SOURCE: Vizio E550i-b2 TV has no backlight, pic or sound. Replaced power and Main boards - still having the problem. Any suggestions? I have the TCON and LED Driver board left

The led is what makes the picture try replacing that it it's the only one you didn't change out

Posted on Aug 31, 2016

  • 6694 Answers

SOURCE: How do I fix my LG Smart Tv that has sound but no picture?

The tcon board or the LCD panel is faulty . Can confirm by replacing the TCON Board .
If you wish to get some details; check the site linked here. Pull up older posts.

Posted on Sep 19, 2016

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SOURCE: What is wrong with my TV? No picture but has sound. picture shows with flashlight.

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.
To 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. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Jan 08, 2017

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