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SA-PM30MD
10.1.3. Bias Vlotage Check
1. Connect the measuring instrument as shown in Fig. 6.
2. Set the unit to "AUX" position.
3. Insert the normal blank tape (QZZCRA) and set the unit to
"REC" mode (use " REC/STOP" key).
4. Measure and make sure that the output is within the
standad value.
Standard value : 16 ± 3mV
10.1.4. Bias Frequency Check
1. Connect the measuring instrument as shown in Fig. 7.
2. Set the unit to "AUX" position.
3. Insert the normal blank tape (QZZCRA) and set the unit to
"REC" mode (use " REC/STOP" key).
4. Measure and make sure that the output is within the
standard value.
Standard value : 98 ± 8kHz
10.2. Tuner Section
10.2.1. AM-IF Alignment
SIGNAL GENERATOR or SWEEP
GENERATOR
CONNECTIONS
Fashion a loop of
450kHz 30% Mod. at
several turns of wire
and radiate a signal
into the loop ant. of
receiver.
10.2.2. AM-RF Alignment
SIGNAL GENERATOR or SWEEP
GENERATOR
CONNECTIONS
Fashion a loop of
several turns of wire
and radiate a signal
603kHz
into the loop ant. of
receiver.
RADIO DIAL SETTING
FREQUENCY
Point of non-
400Hz
interference. (on about
600kHz)
RADIO DIAL SETTING
FREQUENCY
522kHz
Tuning capacitor fully
closed
Tuning to signal
INDICATOR
ADJUSTMENT (Shown
(ELECTRONIC
VOLTMETER or
OSCILLOSCOPE)
Headphones Jack
Z102 (AM IFT)
(32Ω) (Fabricate the
plug as shown in Fig.
2 and then connect the
lead wires of the plug
to the measuring
instrument.)
INDICATOR
ADJUSTMENT (Shown
(ELECTRONIC
VOLTMETER or
OSCILLOSCOPE)
Headphones Jack
Z101 (AM OSC Coil)
(32Ω) (Fabricate the
plug as shown in Fig.
Z101 (AM ANT Coil)
2 and then connect the
lead wires of the plug
to the measuring
instrument.)
22
Fig. 6
Fig. 7
REMARKS
in Fig. 3)
Adjust for maximum
output
REMARKS
in Fig. 3)
Adjust for maximum
output
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