Vizio PX75-G1 Main Board (715GA075-M01-B00-005G) 756TXJCB0QK015. Part Type : Main Board. TV Model 1 : PX75-G1. Important Notes : XJCB0QK015 is found on a sticker on the back of the board.. Genuine Vizio Main Board 756TXJCB0QK015. Check out my other items.