The main PCB assembly (BN94-09930C) is a genuine Samsung part designed for your 65-inch and 55-inch JS9000 9-Series Curved 4K SUHD Smart TV. If your TV is experiencing issues such as no power, failure to boot, or display problems, the main PCB may be faulty. This replacement is straightforward to install and restores functionality without hassle. Easy to replace, the main PCB assembly includes all necessary components to get your TV functioning again. Always verify your TV's model number for compatibility before purchasing.