Samsung BN44-00431A PCB, Power Supply, Rev 1.2 2010.12.08 Please order by the part # below to ensure compatibility. Ordering by board # or TV model # will not guarantee compatibility with your unit. Please contact us with any questions: BN44-00431A Other Board #s and TV Model #s: PSLF171C03A UN55D7900XFXZA UN55D8000YFXZA