I've had TV UN65JS8500 for a few years, the screen slowly started to go dark and failed the picture test. I found the LED light diffuser edge burnt beyond repair. It would be nice if Samsung sent me a new LED diffuser free of charge.
I completely understand how frustrating this must be. Can you send me a private message with your serial number I would love to look into it further. http://bit.ly/2tCGnGK
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