| 摘要 |
A disk device includes a disk tray capable of accommodating disks by stacking; a first driving motor for transferring the disk tray in the disk-stacking direction; a driving unit including an optical head for reading out data recorded in the disks, and a supporting component for supporting the rotation of the disks; a second driving motor for selectively transferring the driving unit between a playback position where the driving unit overlaps with the disks in the disk-stacking direction and a retracted position where the driving unit does not overlap with the disks in the disk-stacking direction; disk detectors for determining whether the disk tray accommodates disks at predetermined positions; and a controlling section for transferring the disk tray in the disk-stacking direction while the driving unit is kept at the playback position when the disk tray does not accommodate disks at predetermined positions on the basis of detection results of the disks during disk checks.
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