Harman Kardon DBS 635 Main Board 40-H580GU-MAE4G.

For part or not working because not power on

If you connect to power nothing happens

the board was not repaired or attempted to be repaired, I opened the device for the first time

I only did a visual check and if you observe in the last pictures, the plug where the source is connected is heated due to the current regulator that is next to

and the left and right mosfats have changed color, I haven't checked if they are shorted or not because not time

I sell for part or not working