Part Info: Brand: Vizio Part Type: Main Board Part Number: 6M03A0006X00J Board Number: 6M03M0005830R Compatible Model: D40f-J09 Important Notes: Partial part number can be found on a sticker on the front of the board. Please order by part number to ensure you're getting the correct part. There may be more than one of this board type for your television model. If you are having difficulty finding the correct part number please contact us before ordering and we will be happy to help you. Our parts are pulled from televisions with broken screens. Usually these televisions are damaged while in transport to a major retailer. Others may be from televisions that were damaged while under warranty. All of our televisions are lit up and tested before being disassembled. Our parts may have some signs of use.