My Samsung QE65Q80AATXXU was turning on and off, and it was eventually diagnosed with a faulty panel. That’s why we are selling the main board and power supply board. Both parts are used but fully functional.
SAMSUNG - UE50ES6710U MAIN BOARD BN41-01807A - BN94-05873V With Power Board 
Samsung TV Main Board BN94-16804Q , BN41-02855A Genuine Board
Samsung UE55CU7100 MAIN BOARD + POWER BOARD BN94-18053M
Samsung QE55Q7F2AU Main Board Power Supply Board
Samsung UE50AU7100K MAIN BOARD BN94-17478S+ POWER SUPPLY BOARD KANT-SU2E
SAMSUNG LE26R51BDS MAIN BOARD BN41-00568C + DTV BOARD BN41-00595A
