Sony 1-474-202-11 (APS-254) Power Supply Repair Kit KDL-40BX450 KDL-40EX500 Complete Board Repair Kit Includes all necessary components to repair common failures on the main power supply. Known models: Sony KDL-40BX450|Sony KDL-40EX400|Sony KDL-40EX500 1-474-202-11