Part Type: T-Con Board LCD Controller Control Board CTRL Board Timing Control Part Number: LJ94-01901F MFR Part Number 1: Samsung BN81-01302A Board Number(s): 40/46/52HTC4LV1.0 40HTC4LV1.0 Substitute Parts: BN81-01312A LJ94-01981A BN81-01305A LJ94-01707H LJ94-01921C LJ94-01905D LJ94-01901D LJ94-01901H LJ94-01901C Panel Sticker Number: LTA400HT-L01-0TR Panel Manufacturer: Samsung