Part Type: XRRBT X-Buffer X Bottom Buffer Part Number: 6871QRH042C MFR Part Number 1: LG 6871QRH042C Board Number(s): 6870QRC007A Known Models: AKAI PDP5016H LG 50PX1D 50PX1D-UC 50PX4DR-UA DU-50PX10 Panel Sticker Number: PDP50X29564 PDP50X20582 PDP50XZ0562 Panel Manufacturer: LG