Sony PS-Q3A - Page 9

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3-2. ELECTRICAL ADJUSTMENTS
Power Voltage Adjustment Speed Adjustment
Push the START/
‘m lead in.
Setting: Setting:
digital voltmeter frequency counter
PHONO IN LINE OUT
at the range of
mpression spring
1earm at horizon-
test record
YFSC-16
(3 kHz)
Procedure:
1. Select the SPEED/SIZE selector switch to “30" cm
Soa ; ; and "33" rpm.
tension spring
2. Play 3 kHz signal in the test record.
3. Adjust RV102 for 3,000 Hz + 9 Hz on the coun-
ter.
4. Select the SPEED/SIZE selector switch to “30" cm
and “45” rpm.
eak
— SERVO BOARD — 5. Play 3 kHz signal in the test record.
t
and.
UP
condi-
,
ee ar 6. Adjust RV103 for 4,050 Hz +12 Hz on the coun-
ter.
the tonearm top
surface by the
w to 0.5 — 1.0
(45 rpm) (33 rpm)
se
sure
that
the
RV103
RV102
Procedure:
: touch with the
sading in and re- 1. Turn on the POWER switch. (STOP mode)
2. Adjust RV101 for 3.1 V + 0.1 V on the digital
voltmeter.
rame
tonearm
SS
4
J
1G
—10—
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