Part Type: Main Unit Main Board HDMI Input A/V Board Signal Board Tuner Board USB Input Digital Audio Output Part Number: BN96-20970A Part Usage: Plasma MFR Part Number 1: Samsung BN96-20970A Board Number(s): BN41-01799A Known Models: SAMSUNG PN51E440A2FXZA Panel Sticker Number: S51AX-YD01 S51AX-YB01 Panel Manufacturer: Samsung