The LG EBT64865901 Main Board is a replacement part specifically designed for the LG 55SM5KE-BJ.AUSSLJM model. As a main board, it serves as the central component for controlling and regulating various functions in the television. Made by the trusted brand LG, this main board is designed to be compatible with LG televisions, ensuring a proper fit and reliable performance. Whether you need to replace a faulty main board or simply want to upgrade to a higher quality part, the LG EBT64865901 is a reliable choice for maintaining your TV's functionality.