Part Type: T-Con Board LCD Controller Control Board CTRL BD Part Number 1-789-503-13 (1173E) can be found on barcode MFR Part Number 1 Sony 1-789-503-13 Board Number(s) 320WSC4LV1.1 Substitute Parts Sony 1-789-503-12 Known Models SONY KDL-32S2000 SONY KDL-32S2010 SONY KDL-32S2030 SONY KDL-32U2000 SONY KDL-32V2000 SONY KDL-32V2500 SONY KDL-V32XBR2