Vizio T-Con Board 55.42T23.C11 for E420i-A1 Board Label: T315HW07 Vizio T-Con Board 55.42T23.C11 for E420i-A1 (T315HW07 31T14-C0J) Fits TV Models: E420i-A1 LTYWNRDN E420i-A1 LTYWNRDP