If your Samsung television is experiencing issues such as no picture, random restarts, or audio problems, it may be time to replace the main board. The BN94-18126L main board is engineered specifically for the QN77S95CAFXZA model, ensuring optimal performance. This genuine Samsung part, also known as the ASSB PCB main board, fits LED televisions with a screen size of 77 inches. Confirm your TV's model number to ensure compatibility before purchasing.