Question about LG 55LS4500 55 in. TV

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T con board or main board - LG 55LS4500 55 in. TV

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  • lkbutcher1 Jul 03, 2015

    How do you check to see which one is the problem.

  • lkbutcher1 Jul 03, 2015

    Thank you for the response. I am having a hard time finding a tcon board.

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2 Answers

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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Posted on Apr 23, 2015

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1 Answer

The answer to my question was to replace the T-Con Board. Looking at Shop Jimmy the only board for this model is BN44-00801E Power Supply/LED Driver Board. Is the T-Con board embedded in this board?


The T-Con board is embedded in the main board and not in the power supply/LED Driver board.
The Main board part number should be BN94-09124C but I would suggest to do more research or call Samsung for more info.

Sep 18, 2017 | Samsung Televison & Video

1 Answer

Have a LG led 3D 42lm3400, no picture, backlight are on and there is audio tried different inputs no menu screen


T-con board and/ or main board. T-con controls the picture elements and the main board sends the picture signals to the T-con board

Sep 01, 2016 | LG 42LM3400 42" LED Cinema 3D HDTV w/ 4...

2 Answers

I have a Samsung TV model UN50H6350AFXZA which has sound but no picture. Backlights work. Replaced t-con board with new one, but not fixed. What next?


Main board. T con board is only involved with video issues. Main board goes both ways and since you already replaced the T con board that is your only alternative. U got backlite so inverter board is good.

Nov 13, 2015 | Samsung Televison & Video

1 Answer

Polaroid 3211-TLXB solarized / negative image


Just replace the T-Con board and you dont need any soldering at all. JUst be careful for the flex connector.

Jan 19, 2015 | Polaroid 3211TLXB 32 in. LCD Television

1 Answer

How does a T-con Board works?


It is difficult to type in all here by this window, as it is too much. If you wish to get some details, check the site linked here. Pull up older posts. Check the site in 'Mosaic' view. It will make search easy. http://electronicshelponline.blogspot.com/

Jan 18, 2014 | Samsung UE40B7020 40 in. LED TV

1 Answer

Lg 47lv355u tv


Ok t-con board is connected to main board which is giving signal and logic supply.. If the main board failed or giving a over voltage to the t-con it possibly your T-con gone out (new) again.

To isolate the problem try to replace the main board.

Dec 05, 2012 | Televison & Video

1 Answer

Sharp Lc-26sb24u white screen with sound


You will get a white screen when you unplug the t-con from the main board. Doing so removes power to the LCD panel. Verify that all of your voltages from the power supply are correct. If they are, I'd look at the t-con board. It sounds like there is a problem with the t-con that is pulling down the main board.

May 11, 2012 | Sharp LC Televison & Video

3 Answers

Picture has vertical lines (no picture)....what's wrong? It is less than 2 years old. can you help plrease?


Hi Matt, I know it's been awhile, but I'm making one last ditch effort to fully confirm everything you said. To start with, I replaced the T-Con Board, and it didn't correct the problem. My T-Con Board IS ATTACHED as shown in the picture, with the two ribbon connectors. Since it is connected, are you saying DON'T buy a main board, or are you saying since the T-Con is connected to BUY one? Thanks so much for all your help Matt, I wouldn't have been able to get this far without a good guy such as yourself. If I can't repair, I'm going to part out the boards anyway, if the front panel is bad. Please refer to the picture for clarification. Is it option 1, or 2?

1. T-Con Board attached, DO NOT buy main board.
2. T-Con Board attached, DO buy a main board.

Again, thanks so much for everything, I look forward to your final answer. Take care.

Tim
5216cfc6-b882-4f61-9cfc-94ef108c0a65.jpg

Feb 28, 2011 | Sony KDL-46VL160 46 in. HDTV TV

2 Answers

No picture sound only


If the backlight works (meaning that when the tv is on, and the lights in your house are turned off, there is a black glow coming from the screen) then you know your backlight is powered and such.

So far, so good... the next problem lies in one of two places (most likely). It could be the main board which is where your connections plug into the set... If this main boards output to the t-con board is dead, then replacing the main board will fix this problem....

However the more likely problem is with the T-CON board. If you open your unit, there is a silver metal casing with some screws near the top of the screen. You will notice some metallic tape at the top of this metal piece. Also, you will notice a wire harness/ribbon cable connecting just under the base of this metal. Beneath the metal is the T-CON... This board is pretty much the only thing between your main board and the screen.

Replacing the t-con could fix your issue.

If you locate this board, there should be a model number located on the upper-right corner. Be sure and replace it with the correct part.

Please keep in mind that although I am tech savvy, I am not a certified samsung technician.

I hear that a good place to order such parts is shopjimmy.com

Good Luck!

Feb 09, 2011 | Samsung LN-T3253H 32 in. LCD Television

1 Answer

Got a new T-con but no luck


is your back light constantly on when you are not changing channels.if so replace the main board. can you see a menu if you hit the menu button ? that is generated by your main board..... replacing the t-con will only correct vertical lines in the pic.

Feb 27, 2009 | Samsung LN-S4692D 46 in. LCD HDTV

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