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PS-X50
PS-X50
Hall Device Gain Adjustment (331/3 rpm)
1.
Disconnect the white lead wire and connect the
regulated power supply as shown below.
3-2.
ELECTRICAL ADJUSTMENT
Voltage Adjustment
regulated dc
;
power supply (variable)
1.5V de
Adjust RV101 for 13.5 V de reading on the VOM
@), and —13.5 V dc reading on the VOM (8).
Disconnect the
YEL
white lead wire.
GRY
BLK
RV101
WHT/BLK
WHT/RED
RED
2. Connect VTVM to H1 and adjust RV205 for 1.9V
ac reading on
VT VM.
3. Connect VTVM to H2 and adjust RV206 for 1.9 V
ac reading on VTVM.
Automatic Return Adjustment
1. Set the power switch on.
Motor Amp Offset Adjustment (331/3 rpm)
1. Disconnect
the. white lead wire and connect
the
oy Connect VTVM
or oscilloscope to H1 and adjust
regulated power supply as shown below.
RV204 for 0 V dc VTVM reading or the waveform
on oscilloscope as shown below.
2. Set the tonearm to the center spindle side.
3. Adjust RV102 for 1.1 V dc reading on the VOM
vom ©)
ei
3. Connect VTVM
or oscilloscope to H2 and adjust
[AA
power supply (variable)
RV203 for 0 V dc VTVM reading or the waveform
povde
on oscilloscope as shown below.
olay /
+}
Waveform on Oscilloscope:
Note:
Set the sweep
time to longer for easy checking
the waveform.
Disconnect the
white lead wire.
4. Set the stylus position as shown
below.
Adjust
the shutter adjustment screw for 7.3 V dc reading
on the VOM
©.
oscilloscope
turntable
6
stylus
. Turn the shutter adjustment screw so that tone-
arm starts to return at count of 15-16.
. Set the test record (YFSB—6, BAND
3, 33 rpm).
. Adjust RV102 for the tonearm starts to return at
only 1kHz playback signal is heard.
1000 pF
16V
. If RV102
is turned, readjust steps 4 to 7 several
times,
re
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132
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