TV Power Board UE46D5500 UE40D5000 UE40D5500 UE40D5520 UE37D5520 UE37D5000 PD46A0_BSM Motherboard，Compatible for Samsung BN44-00422A=BN44-00422B，TV Parts

Efficient Power Conversion: The power supply board converts AC power into multiple stable DC outputs, providing efficient and precise energy supply for the entire machine Stable Output: The TV mainboard minimizes voltage fluctuations across various circuits, preventing screen flickering or system reboots, thereby enhancing stability Backlight Drive Control: The TV power board generates the current and dimming signals required for LED backlighting, achieving precise adjustments of screen brightness and contrast Ultra-Low Standby Power Consumption: The TV mainboard maintains a micro-current supply during standby, supporting remote wake-up, making it energy-saving and environmentally friendly Multiple Safety Protections: The mainboard is equipped with over-voltage, over-current, short circuit, and over-temperature protection, automatically cutting off power in abnormal situations to ensure safety