If your 55-inch Samsung curved smart 4K UHD TV is experiencing issues such as no picture, distorted video, or unresponsive inputs, it might be time to replace the PCB main assembly. The BN94-13274B main board is a genuine Samsung replacement, including all original connectors and components. This part is designed to fit seamlessly into your TV, restoring functionality to your entertainment system. Before purchasing, verify your device's model number for compatibility.