Sony 1-474-202-21 (APS-254) Power Supply Repair Kit KDL-40EX401 KDL-40EX400 Complete Board Repair Kit Includes all necessary components to repair common failures on the main power supply. Known models: Sony KDL-37EX503|Sony KDL-40EX400|Sony KDL-40EX401|Sony KDL-40EX403|Sony KDL-40EX500 1-474-202-21