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SECTION 2
ELECTRICAL ADJUSTMENT
1. Bias Adjustment
Preparation:
Master VOL
: MIN
RV601 (602) : MIN
Procedure:
1. Connect a multimeter to the CN601 (605) without a signal.
2. Adjust the RV601 (602) so that a multimeter indicates:
(See the following diagram.)
V = 5mV ± 0.5mV
Adjustment Location:
[PA BOARD]
CN605
RV602
RV601
1
2
CN601 (605)
RV601 (602)
MIN
MAX
Polarity
+
–
Terminals
1
2
CN601
1
2
2. DC Offset Confirmation
Procedure:
Confirm that the voltage between “+” and “–” output terminals of
speaker is below.
V = 0 ± 30mV