Is your 65-inch 4K Motion Rate 240 LED-LCD HDTV showing signs of power issues, such as sporadic on/off cycles or complete failure to power up? This genuine Samsung main power control board assembly, model BN94-12678P, might be the solution. The power control board regulates your device's power supply, and a malfunctioning board can cause significant operational problems. Before purchasing, verify your device's model number for compatibility.