| 摘要 |
PURPOSE:To enable to start the reproduction with one operation, by detecting the movement of record disc in inserting the record disc to move the retaining arm, and setting the record disc to a given position with it and the pick up arm to the playback start position. CONSTITUTION:One end of the record disc is inserted as the arrow 54 between the turn table 4 and the guide plate 14 and when it is further inserted even if the record disc 11 is in contact with the pressure reception lever 21, the record disc 11 comes to the center of the turn table 12. The pressure reception lever 21 turns clockwise and comes to the position as shown in Figure. The retaining arm 15 lifts down toward the record disc 11 and the pick up arm 26 also lifts down with the guide piece at the same time for playing form. When the retaining arm 15 lifts down, the retaining piece depress the record disc on the disc stand 7 against the spring. The record disc 11 is held at normal position and playing is immediately started. |
