This main board has been tested guaranteed to work for Vizio 756TXFCB0QK037010X XFCB0QK037020X XFCB0QK037030X XFCB0QK037040X XFCB0QK037070X Main Board for P75-C1. Before ordering replacement parts please take the time to verify part numbers from the old part. This can only be done by removing the televisions back cover, don’t rely on suggestions. DO NOT use only the model number since there are numerous versions and all use different parts. Order by the exact alphanumerical sequence found on the old part you are replacing.