The main board assembly (BN96-52604D) in your Samsung television is crucial for maintaining proper functionality. If you're experiencing issues like distorted video output, unresponsive inputs, or sudden shutdowns, this might be the part you need to replace. This genuine Samsung component is compatible with your 55-inch class TU7000 Crystal UHD 4K Smart TV and 55-inch class TU7000B 4K Crystal UHD HDR Smart TV, ensuring seamless integration and performance. Please verify your device's model number for compatibility before purchasing.