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10.7,
ELECTRONIC VOLUME
CONTROL
ADJUSTMENT
@ Connection Diagram
.
AUDIO UNIT
Connector
|
wie put
Power Amp
Oscilltscope
Fig. 46
@ To Adjust
1. Turn VR3 fully around clockwise.
2. Playback
STD-341A
(333Hz,
—20dB)
and
press the
electronic
UP volume
control
to adjust to maximum
volume.
Check
that the output
is not subjected
to
clipping at this time.
3. Then
press the electronic DOWN
volume control four
times, and adjust VR3 so that the output level at this
time is 1.5dB + 1dB below the maximum volume level.
4. Check that
a maximum
output volume level of at least
+5cBs is attained.
42
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