Yamaha AX-397 Manuale di servizio - Pagina 11

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Yamaha AX-397 Manuale di servizio

ADJUSTMENT

CONFIRMATION OF IDLING CURRENT
1. Right after the power is turned on, confirm that the volt-
age across the terminals of R64 (L ch) and R65 (R ch)
are between 0.1mV to 10.0mV.
2. If the measured voltage exceeds 10.0mV, open (cut off)
R51 (L ch), R52 (R ch) and reconfirm the voltage.
3. Confirm that the voltage is between 0.25mV and 30.0mV
after 60 minutes.
R64 (L ch)
R65 (R ch)
0.1mV–10mV
R64
R65
R51 R52
Cut
R51 (L ch)
R52 (R ch)
AX-397
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