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@ Turn the power switch "on" and move the
tonearm towards the center of disc by pres-
sing the start button.
@ Press the cueing button and make sure that
the arm is lowered.
@) Connect
the DC
VTVM
to the connector
pin. (See Fig. C, D)
@ Read the voltage values with the tonearm
fully shifted to the right and left respectively.
(See Fig. E, F)
®) Calculate the center voltage from the differ-
ence between the two voltage values.
For example,
when
the voltage is 1.5V in
DC VTVM
Fig. E and 0.02V in Fig. F then
VR301
VR302
2
;
:
(middle point voltage)
®© Set the tonearm to the center
Position, and turn the adjusting
screw of the arm base by a hax-
agon
wrench
until
the
center
voltage is achieved.
(See Fig. G)
3
Adjustment of
tonearm sensitivity
7
|
@ Put a recrod on the turntable.
@ Open the dustcover 1 or 2 cm, turn the
power.switch
"on" and lower the tonearm.
(In this case,
do
not allow the stylus to
DC VTVM
VR301
VR302
touch the disc.)
@) Connect the DC
VTVM _ to the connector
'D
'
pin. (See Fig. H)
@ Make sure that VR301 has been completely
turned clockwise.
© Turn VR302
until the DC VTVM
indicates
0.72V: (Servo gain adjustment)
© Put a 1 mm-pitch record on the turntable,
close the dust cover, and play the record.
@ Turn VR301
until the DC VTVM indicates
0.6V. (Offset adjustment)
Servo gain and
4
offset adjust-
ment
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