Part Type Power Supply Unit LED Driver LED Address Board Address Assy Part Number 0500-0614-0320 Part number is on sticker Part Usage LED/LCD MFR Part Number 1 Vizio 0500-0614-0320 MFR Part Number 2 Vizio 0500-0614-0320R Board Number(s) E550I-A0-5PWM PSLF181401M Substitute Parts 0500-0612-0320 Known Models Vizio E550I-A0 LAQAOQAP