Quoted from D-Gottlieb:I have a Starwars Premium that I bought new in March and now it is detecting headphones and I haven't connected a thing to it. It's continually showing the headphone volume adjustment menu and playing the theme music at random. It also has disabled the service buttons so I can't access the menu. I called Stern and they have never seen this and are sending me a new sd card because they think it's corrupted somehow. I am baffled.
Check the wiring that’s bundled together right behind the start button or tournament button. I had a few stragglers not strapped in and I think they were grounding each other or up against the start button; can’t really remember to be honest but it was causing similar issues with my volume controller and not allowing me to use the service buttons. Once I rebundled them and strapped them in so they couldn’t get metal on metal contact, all was good.