Vizio M658-G1 Main Board (715GA114-M03-B00-005Y) 756TXJCB0QK019. Part Type : Main Board. TV Model 1 : M658-G1. Important Notes : XJCB0QK019 is found on a sticker on the front of the board.. Removed from a working Television with a broken screen. Genuine Vizio Main Board 756TXJCB0QK019. Check out my other items.