Disk reproducing apparatus and compatible cartridge used with the same

摘要

A disk reproducing apparatus capable of loading a compatible cartridge and MO cartridge designed to different specifications comprised a cartridge holder unit having a first shutter opener for opening and closing a shutter on the first cartridge and a second shutter opener for opening and closing a shutter on the second cartridge, the second shutter opener being moved outside or inside the cartridge insertion path depending on the cartridge inserted, and a disk motor base unit having first and second reference posts for adjusting the respective disk mounting distances of the first and second cartridges