Re: Samsung UN55D6450 turns itself off and on endlessly, no blinks

I had the same issue with my 42 inch TV. I worked on it for a long time and found this thread. I never considered that it could be the LED check. What I did was jumper the connection from the known "good" led to the one having the issue.

It seems unlike the other TVs and checks, including the fast track, this particular TV has each LED driven individually. Referring to post #103 picture, there are two connectors driving each LED, with a positive and negative.

If the Left...