Your Samsung 55-Inch 4K UHD TV may be experiencing display issues, sound problems, or failure to power on due to a malfunctioning main PCB assembly. The BN94-10831P is the genuine main PCB assembly designed specifically for your Samsung television models such as the 55-Inch Class KU6300 6-Series and 55-Inch UHD 4K Flat Smart TV KU6290 Series 6. This replacement part is tested for performance according to Samsung's standards. Before purchasing, please confirm your television's model number for compatibility.