This board has been taken from a powered up fully functional TV.
Samsung MAIN BOARD PCB BN96-46783A for 40" Samsung UE40NU7120K TV
Samsung Main Board BN9415857N Main Board PCB Working for Samsung TV
SAMSUNG Lcd Tv UE50RU7020K MAIN BOARD / PCB BN94-14756L
Samsung UE55 TV Main Board PCB BN94-12856K
Genuine Samsung TV Main Board PCB BN94-04891M BN9404891M
H721MA_R1B Projector Main Board/PCB Board/Motherboard ,Compatible with PowerLite, S41 ELPLP96