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A-S2000
19
(Side A)
MAIN (1) P.C.B.
CB55
VR101
R ch
CB75
DC +4.0 to +8.0 mV
VR201
Front side
(Side A)
MAIN (2) P.C.B.
L ch
10
0 minute
+4.0 to +8.0 mV
DC voltage /
11020
mV
VR201
CB75
DC +4.0 to +8.0 mV
MAIN (2) P.C.B.
L ch
CB55
DC +4.0 to +8.0 mV
MAIN (1) P.C.B.
R ch
VR101
Fig. 1
■ AMP ADJUSTMENT /
● Idling Adjustment
Condition
• Start adjustment 20 minutes or more after the
power is turned on.
• Non loaded condition
Idling Adjustment
Adjust VR201 (Lch)/VR101 (Rch) so that the DC volt-
age of CB75 (Lch)/CB55 (Rch) becomes +4.0 to
+8.0mV. (Fig. 1)
Precaution for handling measuring instrument
The ground side of the measuring instrument to be con-
nected to the speaker terminal of this unit must be kept in
floating condition because this unit is equipped with the
floating balanced power amplifier.