This power supply board is a genuine SYLVANIA product, model A81H101700, also known as the SYLVANIA LC420SS8. It is designed to provide power to your TV and ensure its proper functioning. The board is compatible with various TV models and brands, including those mentioned in the title. The SYLVANIA BA81H0F01012-1 TV Power Supply Board is an essential component for anyone looking to repair or upgrade their TV. It is easy to install and offers reliable performance. With this power supply board, you can rest assured that your TV will be in good hands.