SKU: A-1781-799-A. Type: LED TV. MPN: A-1781-799-A. Board Number(s): A1781799A, 1-881-780-12, A1749482A. Brand: SONY. Category: MAIN BOARDS. Compatible Models: XBR52LX900, XBR60LX900. NOTES: Part number is on the white barcode label. NEEDS SOFTWARE UPDATE TO COMPLETE INSTALLATION, INSTRUCTIONS PROVIDED.