Vizio 056.04167.1071 Power Supply for E550i-B2 / E550i-B2E 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: 056.04167.1071 Other Board #s and TV Model #s: DPS-167DP-1, DPS-167DP, DPS-167DP A, 2950339202 E550I-B2