Part Type T-Con Board LCD Controller Control Board CTRL Board Part Number 6871L-0839A Partial number (839A) stamped on board MFR Part Number 1 LG EAT40320301 Board Number(s) 6870C-0060H Known Models Lg 37LC2D-UD ALUSLL 37LC2D-UE AUSLLJM 37LC2DB-EC AEKLLBP 37LZ30.APUSLL M3701C-BA RZ-37LZ31 ALUK RZ-37LZ55 APUKLF