This part came from a working crack screen TV. Part Number:791.01C10.0002. Visible Number:Lakers Y15 M55-C2 UHD MB. Visible Number:748.01C06.0021. IMPORTANT: This Vizio model has an above-average rate of LED backlight failure. If your TV turns itself off after 15-30 minutes, the most likely cause is backlight strip failure. Replacement backlight strips are available (part number LB65018). \ \ \ \ This board is compatible with TVs with serial number beginning with LWJAUDAR, LWZAUDBS, LWJAUDAS or LWZAUDFS\ \ \ \ PLEASE NOTE: The board you receive may or may not have a connector at location CN9103. This connector is not used. This board is compatible with TVs with serial number beginning with LWJAUDAR, LWZAUDBS, LWJAUDAS or LWZAUDFS. PLEASE NOTE: The board you receive may or may not have a connector at location CN9103.