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Can a t-con board be interchangeable

I would like to know is it possible to use a different t-con board from any Samsung tv that is the same size? I am asking because my Samsung J6200 stopped showing the picture but gives me the sound.

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Hi @alpheaus ,

Did you try shining a torch at an angle close the the screen to check if there are any images showing when there is sound, you didn't say? They will be very faint if they are there so try it in a darkened room to help.

If there are images there then you have a backlight problem and not a tcon problem.

Try the following:

Turn off the TV if on and disconnect the power from the TV.

Remove the back cover from the TV and then disconnect the cable between the power board and the mainboard. Do this at the power board end only.

Reconnect the power to the TV.

The TV screen backlights should turn on, full intensity and stay on. There will be no picture as the mainboard is disconnected.

If the backlights don’t turn on or they blink, then there is a problem with the LED backlights, the connection between the power board and the LED backlights or the power board. Measure the voltage on the Power board LED connector between the +LED pins and an earth connection e.g. board screwhead. If the voltage is >220V DC then the problem most likely is in the LED array somewhere. if the voltage is <60V DC then it is the power board.

Be safety aware if you try this as there is exposed lethal AC power on the power board near to where you will be testing. If you don’t know how to test safely when AC power is present then don’t do it!

If there are no images then the problem may be the tcon board or the mainboard. Check if there is voltage at the fuse on the tcon board. The fuse is mounted near the connector where the mainboard cable connects to the tcon board. (component marked with an F designation).

Not sure if you can swap tcon boards or not. It is better to use the same model board if possible to avoid any possible incompatibility problems. Just search for (insert tcon board number) board to hopefully get results. The board number is found on the board itself.

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Alpheaus sarà eternamente grato.
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