Re: Samsung LN52A750R1FXZA Turning on and off

What I found is that disconnecting the single cable to the tcon board allowed the tv to remain on with backlight on. The picture was obviously no connected. Initially, I unplugged the cable and placed it back on. The TV signal on the display remained stable for about 4 minutes before cycling again. Since the cost of a board is around $25, I have purchased the TCon board which is removed from a TV that had a broken screen and is verified and returns provided. Shipping is free for 1-5 day service.

My Samsung LCD TV is a...

Re: New Members - samantha

Most people call me Sam ... I am impressed with length of time this forum is active. I am interested in fixing my LN52A750FXZA Samsung TV with horizontal and washed out screen before cycling on and off


I have disconnected the tcon board from the main board. I presume the tcon board is the one at the center top with foil shield covering the four cables to the display.
Disconnecting the cable allows the tv to remain in with backlight and channel reception. No display image when the cable is disconnected between the Tcon board...