Part Type: F Buffer Board 58US2_LB_F(STH) Part Number: BN96-12687A (686A) can be found on a sticker BOARD NUMBERS: LJ41-07011A LJ92-01686A Models: Samsung PN58C500G2FXZA PN58C550G1FXZA PN58C590G4FXZA PN58C6500TFXZA PN58C680G5FXZA PN58C7000YFXZA PN58C8000YFXZA