JVC Arsenal KD-S6250 CD Player "disc gets rejected" Questions

...button Fauly mechanism position sensor/switch Misaligned mechanism Causes of ejection after the disc spins up:- Disc upside-down Incorrect format i.e MP3 data disc in standard CD player ...

...doubt it will make any difference. My gut feeling is that the loading mechanism is not getting the disc in the proper location, so the system won't read it. I am also wondering if heat is a factor - ...