Kenwood KD-9X Service Manual page 9

Quartz pll direct drive full- automatic turntable
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INPUT
SETTING
ADJUSTMENT
OUTPUT
SETTING
TURNTABLE
SETTING
ALIGNMENT
POINTS
KD-SX/9X6
ALIGN FOR
OFFSET
(1)
Disconnect PH1
and connect a DC
voltmeter to pin 8
of IC3 (PHA3- @)
Remove the tonearm
from its rest and
lower it
OFFSET
(2)
Connect a DC
voltmeter to pin
10 of 1C2
(PHA3-
@)
Raise and lower the
tonearm several
times, then leave
itin the UP
position
Adjustment
screw under
the tonearm
DISTANCE BETWEEN
THE STYLUS AND
DISK SURFACE
SENSITIVITY OF
THE SELECTION
SENSOR
(1)
Record
Connect PHA1
SIZE:
17cm
Tonearm: UP
Auto-IN
Adjustment
screw on the
rear side of
the tonearm
Test record
(T99-02 16-05)
Connect a DC
Voltmeter to pin
10 of IC2
(PH3- ©)
Lift the tonearm and
move it to the
center of the
audio band using the
FORWARD and REVERSE
buttons
Turn VR2 all the way to
the right. Adjust VR1
so that the voltmeter
reads 100 mV.
SENSITIVITY OF
THE SELECTION
SENSOR
(2)
ACCURACY OF THE
SELECTION SENSOR
AUTOMATIC
LEAD-IN
Test record
{T99-02 16-05)
Test record
(799-02 16-05)
Test record
(W05-0036-00)
SELECTION SENSOR
Test record
(T99-0216-05)
Connecto a DC
voltmeter to pin
10 of 1C2
(PHA3- ®)
(A)
Lift the tonearm and
move it to the
center of the
unrecorded band using
the FORWARD and
REVERSE buttons
Specify a selection
number with the
PLAY/CUT key
Specify selection
number 1 with the
PLAY/CUT key
Connect an
oscilloscope to
pin 4 of IC4
Specify a selection
number with the
PLAY/CUT key
Power cord
Adjustment
screw of tone-
arm ass'y
Turn VR4 all the way to
the left, then turn it
gradually to the right
so that the tonearm is
lowered onto the lead
groove preceding the
selection.
VR5
400~ 500 ms

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