DM500HD ferrari repair or upgrade sim
Very useful instructions as electronic schemes that can be used in the case of repairs, education, etc. , instructions with the option to upgrade to more advanced japhar sim cards, there are some drivers as well as a software upgrade program that you probably have, but also a lot of useful hardware images, pdf explained, etc.
Every satellite enthusiast who owns this old screen, which is still used very well today with some upgrades, which has been written about before, would be good to have this information, especially an electronics repairman.