The Samsung BN44-00874D TV DC VSS-PD Board is a genuine internal power supply board designed to manage and distribute direct current voltage to critical television components. It works by converting and regulating incoming electrical power into the appropriate DC levels required by the display panel and main circuitry, helping protect the system from voltage fluctuations. When replaci... https://www.hnkparts.com/samsung-bn44-00874d-tv-dc-voltage-source-supply-power-distribution-board