If your Samsung LED TV, model UN55JU640DF, is having issues with power, audio, or video signal, the main PCB assembly (BN94-10703B) might be the culprit. This genuine Samsung part is designed for a seamless fit and optimal performance in your 55-inch television. It's important to address these issues promptly to maintain your TV's functionality.

Please verify your device's model number for compatibility before purchasing.