Automatic disc playback apparatus

摘要

A sub tray selector is provided in a casing and rotatable so as to adjust a selecting position in accordance with the height of a designated sub tray. The sub tray selector is capable of retaining the designated sub tray and any other sub trays stacked thereon and disengaging each of the retained sub trays from a sub tray engaging member in accordance with a shifting motion of a base tray advancing to the external position. Thus, the retained sub trays stay at the standby position.