Vizio P75QX-H1 Main Board (715GA755-M0D-B00-005Y) 756TXKCB02K020. Part Type : Main Board. TV Model 1 : P75QX-H1. Important Notes : XKCB02K020 is found on a sticker on the front of the board.. Genuine Vizio Main Board 756TXKCB02K020. Check out my other items.