27
MODEL 520
Printed circuit board "F"
connector
Printed circuit
board "F"
Setscrews (2)
Slide volume
connector
REPLACING SLIDE VOLUME AND PRINTED
CIRCUIT BOARD F
REPLACING THE SLIDE VOLUME
TO REMOVE:
1. Remove the front cover unit (see page 6 and 7).
2. Unplug the slide volume connector.
3. Remove the four CS ring (A), (B) and remove the side volume.
TO INSTALL:
4. To install the slide volume, follow the above procedure in reverse.
* Secure the lead wire on the board using the CS rings, as shown.
* Check to ensure that the slide volume moves smoothly back and forth.
REPLACING PRINTED CIRCUIT BOARD "F"
TO REMOVE:
5. Remove the front cover unit.
6. Unplug the printed circuit board "F" connector and remove the three CS rings (B), (C).
7. Remove the two setscrews and remove the printed circuit board "F".
TO INSTALL:
To install the printed circuit board "F". Follow the above procedure in reverse.
* Secure the lead wire on the board using the CS ring, as shown.
* Each button (needle up/down button, start/stop button, reverse button) should
"click" when pressed.
CS rings (B)
CS rings (A)
Slide volume control
CS rings (C)
