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3l Insert the connector CON-8 again into the main PC
board.
4) Connect the (-) lead of a Mltimeter to pin 1 (main
body sidel of connector CON-8 and connect the (+l
side of tester to the brown lêad wire disconnected from
pin 1. See Fig. 7.
5) Put the player into a state as in I (t). With the tone
arm raised, adjust the cam pin A of Fig. 1 till the meter
i n d i c a t e s l 0 t l g A .
6) Allow the tone arm to lower from the state in above (5),
and make sure that the meter indication is within t 1 gA
of the value obtained with the tone arm raised.
7) Gonnect a voltmeter between PIN I and GND of main
PV board and adjust the preset resistor VR 101 till
the voltmeter indicates 3.5V.
ADJUSTMENT LOCATION DIAGBAM
7. SERVO MOTOR SPEED ADJUSTMENT
1 I Place a test record on the turntable and connect a fr
quency counter to the output terminal of player v
an amplifier.
2) Remove the back of player and adjun the player spe
to 33 rpm.
3) Play back 3 KHz of test record and adjust the pres
resistor VR 103 for 3020H2.
4l Set the player speed to 45 rpm. Ptay back as in the ca
of above (3) and adjust the preset resistor VR 102 t
the counter indicates 4070H2.
t_
F i g 7
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