Vizio E500I-B1E Main Board (XECB02K019) 756XECB02K019. Part Type : Main Board. TV Model 1 : E500I-B1E / E500I-B1. Important Notes : XECB02K019 is found on a sticker on the front of the board.. Removed from a working Television with a broken screen. Genuine Vizio Main Board 756XECB02K019. Check out my other items.