Your TV's responsiveness is key to enjoying your favorite shows and movies. If your remote control commands are not being recognized, it could be due to a faulty assembly board. This assembly board P-IR function J (BN96-30902C) is a genuine Samsung part for various smart LED TVs, including 55-inch and 48-inch models. This board plays an essential role in ensuring your television's remote control functionality. Confirm your device's model number for compatibility before purchasing.