This is a complete Samsung PCB BN44-00874D LCD TV with daughter boards, and Remote Control for multiple Samsung TV:
QN75Q6FNAFXZA
UN75NU8000FXZA
UN75NU8000FXZC
UN75NU800DFXZA
QN75Q65FNFXZA
My Samsung TV was diagnosed to have a bad LCD, which is common (you can Google), symptom is repeated TV reboot, so this power supply, interface, network board are still functional. Hoping this can save someone from purchasing a totally new TV.