Bias Frequency Adjustment (Deck 1/2) - Panasonic SA-AK18 Service Manual

1. Set the unit "AUX" position.
2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to "REC" mode (use "• REC/STOP" key).
3. Measure and make sure that the output is within the standard value.
4. Insert the CrO2 tape (QZZCRX).
5. Repeat step 2 and 3.
Bias voltage for Deck 2
Standard value)
Erase voltage for Deck 2

12.1.4. 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
12.2. Tuner Section
12.2.1. AM-IF Alignment
- AM-IF ALIGNMENT
14 ± 4mV (Normal)
17 ± 5mV (CrO2)
more than 80mV (Normal)
more than 90mV (CrO2)
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