| 摘要 |
PURPOSE: A phase control architecture of an optical recording reproduction device is provided to change a shape of a main axis that transfers/guides an optical pickup, thereby easily and stably compensating for a phase error between the optical pickup and a turn table. CONSTITUTION: A deck base(1) has a main axis(6) and a sub axis on both sides of an opening hole(1a), and installs support members(7) for supporting the main axis(6) on both ends of the main axis(6). An optical pickup(5) is supported by the main axis(6) and the sub axis, goes and returns along a radius direction of an optical disk, and mounts an objective lens thereon. A turn table(3) is disposed on one side of the deck base(1), and sets the optical disk therein. An eccentric portion(6a) is formed at an inner end of the main axis(6) of the deck base(1), to control a phase by moving a rotational center of the main axis(6).
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