Having trouble with your 55-inch 1080p 120Hz LED HDTV? A faulty main PCB assembly could be the culprit. This genuine Samsung main PCB assembly, BN94-05038K, is designed to seamlessly integrate with your television, ensuring all components work in harmony. If your device exhibits issues like inconsistent picture quality or failure to power on, it might be time to replace this component. Remember to verify your device's model number for compatibility before purchasing.