PHONOMOTOR STOPPING DEVICE AT THE TIME OF RECORD PLAYBACK END

摘要

PROBLEM TO BE SOLVED: To prevent that even after playback of an analog record finishes, a phonomotor continues to rotate, thereby a record needle wears out.SOLUTION: After it is detected that a tone arm reaches at an innermost circumference of a disk record on the basis of a position of the tone arm and then it is determined that playback finishes, power supply of a phonomotor is cut off.