LG LCD TV T-CON Board

[rodrigopires]

Hello everyone! I have a LG 42LN5200 LCD TV that stoped showing image, it has backlight on, sound and changes channel but no image... I suspect the t-con board is at foult but when looking online for a new part o saw several boards with the same part number (6870C-0452A) but from/for diferrent TV's... My question is what sould i look for? The TV model or the board part number? The same board can be apllyed to diferent tv models?

Thank you for you time and knowlage!

[shakalnokturn]

Board number is more relevant, same T-Con's are used on different models.

Before replacing, of course check LVDS cable is correctly fitted.
On T-Con board check power is present before and after "F1" fuse.

If power is present before but not after, look for shorts on T-con then replace fuse.

If power is not present before, look for a defective (P)-MOS on mainboard responsible for power switching.

If power is present after, test for other voltages on T-Con on the larger diodes near the inductors.

[mzacharias]

First look for a small chip-fuse bad on the existing T-con board. You might get lucky.

[rodrigopires]

Thanks for the replies! I will test the fuse and power on the board!