Pioneer SX-680 Service Manual page 12

7.DIAL CORD STRINGING
. Remove front panel (See page 10).
. Remove the tuning drum from the tuning capa-
citor shaft.
. Tie one end of the string to the stud on the
inside of the tuning drum.
. Set the tuning capacitor to its maximum
capacity (with the vanes fully meshed).
. Attach the tuning drum to the tuning shaft so
that the fixing screw head is pointing exactly
upwards.
. Draw the string out through the gap cut in
the tuning drum, and after passing it half-way
round the drum, thread it successively over
the pulleys A, B, C.
RY >
S
Three times around 5 OH
| ASS
Tuning shaft
as SS
of
Fixing screw
Stud
10.
11.
SxX-680
. Pass the string over pulley D after having
wound it three times around the tuning shaft
(in a clockwise direction as viewed from the
rear).
. Tie the other end of the string to the hook on
the spring, so that the string is tensioned, after
passing it twice around the tuning drum.
. Set the tuning capacitor to its maximum capa-
city (with the vanes fully meshed).
Attach the dial pointer to the string at the
start point (at the extreme left-hand dial
scale), and secure it firmly to the string.
Check that when the tuning shaft is turned, the
dial pointer, tuning capacitor, etc., all move
smoothly.
. Paint-lock the knots on the string, and cut off
the excess after painting.
Start point