SONY NEW FHD LED TV MOTHER BOARD MODEL NUMBER 40R452A The 40R452A main board (also known as the KLV-40R452A AIO board) is an original, pre-owned replacement part for the Sony KLV-40R452A LED television model. Key Details TV Compatibility: It is specifically designed for the Sony TV model KLV-40R452A. Part Numbers: The specific board part number is often identified as 1-888-352-11. Condition: These boards are typically sold as "used" or "pre-owned," often sourced from TVs with broken or cracked screens but working internal components. Functionality: The main board manages the TV's primary functions, including image processing, audio output, and input management (HDMI, USB, etc.). Installation: Installation is recommended to be performed by a professional technician. Improper handling can damage the board or other TV components. Purchase Information: The board often comes with company-installed software and is ready for use upon correct installation. It can be purchased from various online spare parts