Pioneer SX-750 Service Manual page 21

7 . D I A L C O R D S T R I N G I N G
1. Remove the wooden cover and the front panel.
2. Turn tuning drum fully clockwise (as viewed
from X direction in Fig. 18).
3. Tie one end of cord to stud on inner section of
tuning drum (more easily performed by loos-
ening setscrew and temporarily removing tuning
drum from shaft).
4. Route cord through tuning drum cutout, make a
half tum around the drum, then route in
sequence to pulley A-dial
pointer-pulley
B-
pulley C.
5. Wind cord 3 tums clockwise (as viewed from
rear panel) around tuning shaft, then route to
pulley D.
6. Wind cord two tums around tuning drum and
tie to spring hook so that tension is applied to
the cord.
7. Turn TUNING knob and confirm normal cord
motion, then trim off excess cord.
8. With tuning drum at step 1 setting, restrain cord
from moving and slip dial pointer on cord. Align
it with the starting point (extrenne left end of
frequency scale).
D i a l p u l l e y
Dial shaft
Dial Pointer Installation Caution
Metal portion
of dial pointer is plated. If this
section is touched directly by hand or fingerprints
and other impurities,
it is diffrcult
to remove
dirt from aventurine finish. As this is not desirable
in terms of both appearance and anticorrosion,
take extreme care not to touch t,Le metal section
when handling the dlal pointer.
D i a l p o i n t e r
F i s . 1 8