The OEM Main Board for TCL 55QM751G is a unit manufactured by TCL specifically for the TCL 55QM751G model. It is a genuine replacement part with a manufacturer warranty of 1 month. This main board is designed to be compatible with the TCL 55QM751G TV set and is intended for use in the United States. It is essential for maintaining the proper functionality of your TCL television, ensuring a seamless viewing experience with quality performance.