Panasonic SA-AK520E, Service Manual

Page: 66 / 166

“REC” mode (use “ REC/STOP” key).
3. Measure and make sure that the output is within the standard
value.
Bias voltage for Deck 2 14±4mV (Normal)
Erase voltage for Deck 2 80mV (Normal)
Fig.2
Fig.3
15.1.3. Bias Frequency Adjustment (Deck 1/2)
1. Set the unit to “AUX” position.
2. Insert the Normal blank tape (QZZCRA) into DECK 2 and set the
unit to “REC” mode ( use “REC/STOP” key).
3. Adjust L1002 so that the output frequency is within the standard
value.
Standard Value: 97
±8 kHz
Fig.4
15.2. Tuner Section
15.2.1. AM-IF Alignment
1. Connect the instrument as shown in Fig.5.
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