AD Board for Compaq TFT8020 No technical skills require to perform the replacement. Anyone can do it. It is easy, economic and convenience to repair LCD Monitor. Part Number on Board: Optoma TFT8020 P/N: 00.56403.001 Rev:B There two different type of AD board were use on Compaq TFT8020 ( Click to see another main board for TFT8020), Please double check your AD board Part number before place an