Part Type: Power Supply Unit X-Main Board XSUS Board X-Sustain Part Number: BN44-00599A Board Number(s): PSPF251503A P51HF_DSM SU10054-12041 known models: Samsung SP-S4243 PN51F4500AFXZA PN51F4550AFXZA US02 Substitute Parts: BN44-00599B PCB Number: LJ41-XXXXXA PBA Number: LJ92-XXXXXA