Experiencing issues with your Samsung television's picture quality, sound, or connectivity? The Samsung Assembly PCB Main (BN94-18021W) could be the component you need. Designed specifically for Samsung televisions, it addresses potential problems caused by a faulty main board, such as screen flickering, sound distortion, or connectivity issues. If your TV model is QN85Q80BDFXZA, this genuine Samsung part may be the solution. Always check your device's model number to confirm compatibility before purchasing.