Part Type: Backlight Inverter Inverter Board Power Supply Unit Part Number: 0500-0407-1030 Part Usage: LCD MFR Part Number 1: Vizio 0500-0407-1030 MFR Part Number 2: Vizio 0500-0407-1030R Board Number(s): DPS-198BPA 050004071030 Substitute Parts: 0500-0412-1030 Known Models: LG 42LD400-UA CUSWLHO VIZIO E3D420VX E420VL E420VO E421VL E421VO