Question about Samsung LN-S4692D 46 in. LCD HDTV

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Tcon board location

I have the back off and i think i located the tcon board.
want to make sure before i order. two bus line connectors difficult to remove

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There are 2 hinged black retainers. Gently pry them up and the ribbons slide away from the board.

Posted on Jun 24, 2008

  • Gone2theWoods Apr 07, 2013

    Thanks for posting removal info for the tcon connectors. I've never seen this type of retaining system before.



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1 Answer

I have No Picture on a Samsung Model UN60EH6003FXZA HH01 TV.

TCON board or the LCD panel is faulty. Can confirm by replacing the TCON board. In some models TCON board is integrated to the panel, In such cases you have to replace the panel.
If you wish to get some details; visit the site linked here. Pull up older posts.

Feb 07, 2017 | Samsung Televison & Video

1 Answer

Turn on tv ad see vertical colored lines with thick black line i middle

If you are a tech or know something about lcd tvs, lvds connector from main board to Tcon board needs to be cleaned. Connector and flat cables from Tcon to lcd panel are also to be cleaned. Good luck

Feb 10, 2015 | Dynex 32 in. LCD Flat-Panel HDTV

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When I first turn on the tv, the entire screen is distorted. After a few minutes, the left half of the tv shows clear, but the other half has vertical bars that are black, white and purple. I think it is...

The Tcon is located under the small metal cover dead center at the top of the rear panel. Just remove the couple of screws and the tcon is directly under the metal shield. You can get the replacement Tcon from the following website

Dec 13, 2012 | LG 37LH40 37 in. LCD HDTV

2 Answers

My tv sony bravia 46" are still not workin i still

Don't return the new refurbish tv power supply board,keep it and used it the old one u have it in ur tv it is shorted and dead already.Return those LCD inverter boards though.Should buy a main tv Tuner signal board and replace it too though,that the other board it is causes and it is also dead too.Repair this problems many times before,alway these two boards are dead.I promise u the tv now will have stable power supply again tv will work again.

Jul 15, 2011 | Sony BRAVIA KDL-46W4100 46 in. LCD HDTV

1 Answer

I have a fairly new LG LED television and most of the times that I turn it on, half of the screen will be cut off by static and bars and weird colors. It gets lighter and usually goes away after having the...

If this problem affects exactly half the screen, then there is likely a problem with your TCON circuit board inside the back of the tv.

The TCon board usually has 2 very thin ribbon like cables running from connectors on the board to the actual LCD screen panel. Each ribbon controls one half of the screen. If you are lucky, it's possible one of the ribbons came loose or is not making proper electrical contact with the connector on the TCON board.

If your tv is out of warranty and you are comfortable working safely with electronics then you may be able to repair this yourself with a few hours of screwdriver work. The ribbons may just need to be reseated in the little flip up connectors, or you may have to clean the copper at the tips of the ribbons gently with a pencil eraser to remove any oxidation.

If you are unlucky enough to have a bad TCON board or are not comfortable disassembling your tv yourself then you can bring it in to the shop and they can probably repair it for less than $150.

Good luck.

Jan 21, 2011 | LG Televison & Video

1 Answer

I have coloured vertical lines on my 40-inch Samsung Series 7 LCD tv, sound ok, what is wrong? Can it be fixed, Yasna

is the screen full of vertical lines? It sounds like your Tcon has gone faulty but...there is hope. Firstly, only if you are competent with electrics follow the procedure bleow, else get a qualified tv engineer to inspect your tv.
Remove the back cover on the tv.Looking in from behind, check the power supply which is the board connected to the mains power lead. Check the capacitors, making sure none of them have bulging tops.These are the components shown below.
The caps shown below are an example of faulty caps, with their tops bulging.
This model of tv is prone to this condition, and if you have any bulging topped caps, replace them.
Next check the Tcon LVDS lead connection. The Tcon is the board located top centre of the screen and is enclosed in a metal plate.It has a lead connected to it that goes to the main board. Clean the connector at the Tcon.Be very careful though because the connection is fragile. It can be removed by gently squeezing in either end of the connector and gently pulling outwards.If these procedures are not successful, replace the Tcon.

Mar 07, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

When i turn on the tv i only get a picture on 1/2 of the television. the other half is distorted and has rotating lines. sometimes the clear picture is on 3/4 of the screen and only 1/4 of the screen is...

There is a high probability this is the tcon board, located at the back of the LCD controller.

I'll need the exact TV model number in order to be able to tell you what exactly the board number is.

It is not guaranteed - it may be the main board or, even worse, the LCD itself; not many people know, but the LCD dispay has quite some electronics literally inside it or glued to it in a totally unserviceable way.

If that electroncis burns out , the whole LCD goes to trash even if it's physically intact.

It's unfortunate, but not uncommon.

Still in your case replacing the tcon board is the first thing I'd try.

Ah, one more thing - sometims the cables that connect the tcon board to the LCD also burn and cause similar troubles. When replacing the tcon board that will become apparent.

Please rate this answer if it helps.

Nov 10, 2009 | Dynex 32 in. LCD Flat-Panel HDTV

1 Answer

LNS4692D - TCON Board (seems there is a systemic issue)

You have to be very careful with the flat ribbon cables and be sure not to have an electro static discharge to the board while handling it but it is not that difficult of a repair. It is the board that is located at the top center of the back of the lcd panel. Depending on your problem, eg. line in picture, no picture with backlight.... it unfortunately only fixes about half of the units. The other half need lcd panels which are very expensive. hope this helps.

Mar 25, 2008 | Samsung LN-S4692D 46 in. LCD HDTV

3 Answers

Where can i find to purchase a TCON board? Any link please. I was trying hard to find one but was not able. Thank You

Hmm. I checked the service manual. I could not find a board that was called the TCON board. Look at the board for a location number of any chip on the board. Then I can find you the correct board.

Feb 29, 2008 | Samsung LN-S4692D 46 in. LCD HDTV

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