No back lights and replaced a lot
I have a Samsung tv. Un65j6200af and it had no lights so I replaced the LEDs thinking that was the problem. Now I get a very faint light I see the Samsung logo then 2 big vertical blue bars then back to black. I've also replaced the tcon board. Also when I unplug the cable from the main board to the power board and plug it in the wall nothing happens but when I unplug all the leds flash once. Could it be the main board or power board?What do you think the problem could be? If you have time I would really appreciate it. Thank you!
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