If you are using the exact same connections, it has to be something in the settings. Go into every single menu setting and see if you can figure it out. The manuals are golden. If all else fails, call Alpine support. They are usually pretty helpful.thanks for your reply..yes i have fliped the switch..i can unhook the rca ..powercable and i net cable and plug in my 205 and it works fine just cant make the 200 work...any ideas