I have a sony tv model number kdl46xbr2, one day the screen just went black and no sound. I sent it to a repair shop and they said it was a tcon board. I was looking for any other that may have seen the same problem. Like I said the problem is i turn the tv on and there is no video, sound nor can i get the menu screen to come up. The sony light comes on and the tv indication light is green and steady. Any guidance would be appreciated.

Thanks