Additional testing. I disconnected the left ribbon cable going from t-con to panel and now the 3rd led light on t-con board lights up and it shows half a picture. Connecting the ribbon cable back up and disconnecting the other one results in the tv displaying the original symptoms of back light on and no picture.
I also have a Samsung un50h6350 tv with no picture and maybe no sound (later explained).
When i power it on, the tv standby light will blink 6 times and then the tv stays powered on but still no picture. No sounds are heard when pushing remote but i was able to blindly navigate i believe to the sound diagnosis tab and then i was able to hear the music playing but still no picture. The backlights all light up and the t-con board has 2 blue led lights. One is labeled led1 and the other is labeled led 2. I did find another led3 on the board but it...
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