Logic Board 6870C-0749A for KD-55X8500G / 65X8500F — 4K 120Hz

Replacement logic/main board compatible with KD-55X8500G and 65X8500F TV models. Part number 6870C-0749A. Supports 4K resolution at 120Hz, providing the required processing for those displays. Ideal for repair or board swap when your original logic board fails—verify model compatibility before ordering.