| 摘要 |
PURPOSE:To prevent damage of the mechanism due to mis-operation by providing a lock mechanism for switching door and a switch detecting the lock state and activating the detection switch at application of power. CONSTITUTION:A bracket 110 is fixed to a counter weight guide rail moved relatively to a base moved vertically at disc extraction and carrying, a lock screw 110a is screwed to the base, the detection switch 111 is turned on and the playing device is locked. When power is applied for playing and the on-state of the detection switch 111 is recognized, the lock of the front door of the device is released, the off-state of the switch 111 is confirmed and the operation goes to next. Thus, damage of the mechanism and overheat of a motor due to mis- operation are prevented.
|
