Bias And Erase Voltage Check - Panasonic SA-AK310GC Service Manual

12.1.2 Bias and Erase Voltage Check

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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.
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Bias voltage for Deck 2 14±4mV (Normal)
Erase voltage for Deck 2 80mV (Normal)
Fig. 2
Fig. 3