This Samsung Y main board, model number LJ41-09479A, is compatible with Samsung TVs and is specifically designed for the PN43D430A3D model. It is a necessary component for the proper functioning of the TV and is ideal for those who need a replacement or want to upgrade their current main board. This main board has been thoroughly tested and is in good working condition. It has been removed from a working TV and is ready to be installed in another Samsung PN43D430A3D TV.