Part Type : Main Board. TV Model 1 : D70-F3. Important Notes : 506 is found on a sticker on the front of the board. Important Notes: 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. Our parts are pulled from televisions with broken screens. Usually these televisions are damaged while in transport to a major retailer. All of our televisions are lit up and tested before being disassembled. Our boards may have some signs of use.