Recording medium playback apparatus

A recording medium playback apparatus comprising:

• a main body;
• a clamp unit clamping a recording medium to be received in the main body and rotating the recording medium;
• a lock unit movable between a lock position, in which the clamp unit is locked to the main body, and an unlock position, in which the clamp unit is made movable against the main body;
• and
• a clamp lock/unlock unit limiting to unlock clamping by the clamp unit when the lock unit is positioned in the unlock position, and allowing to unlock clamping by the clamp unit when the lock unit is positioned in the lock position,
• wherein the clamp unit comprises:
• a turntable positioning the recording medium on a surface thereof, and clamping the recording medium positioned on the surface, and rotating together with the recording medium;
• and
• a pick-up unit provided to move freely between an unclamp position, in which clamping the medium on the turntable is unlocked, and a playback position, in which the recording medium is clamped on the turntable and information on the recording medium is played back.
• wherein the clamp lock/unlock unit limits the pick-up unit to move to the unclamp position when the lock unit is positioned in the unlock position, and allows the pick-up unit to move to the unclamp position when the lock unit is positioned in the lock position.