Vizio E420VT Main Board (715G4634-M01-000-004K) CBPFTXACB2K025. Part Type : Main Board. TV Model 1 : E420VT. Important Notes : TXACB2K025 is found on a sticker on the front of the board.. Removed from a working Television with a broken screen. Genuine Vizio Main Board CBPFTXACB2K025. Check out my other items.