The LG OLED77C24LA Main Board EBT66968102 EAX69718004(1.0) is a replacement part specifically designed for the LG 77" OLED TV AC770AQL. Manufactured in Poland, this main board comes with a 1-month manufacturer warranty, ensuring quality and reliability. Compatible with the OLED77C24LA and AC770AQL models, this unit is a crucial component for your LG TV to function properly. As an authentic LG product, you can trust that this main board will provide optimal performance and durability for your television.