Block Diagram - ADC Sound Shaper Three Service Manual

Stereo frequency equalizer
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[L
CHANNEL
J
rr:~QUE-NCY-E-a~Ai~IZATION~AMP---mm-:-
:--u-SIGNAL-GAIN-C-ONTROC-AMP---uuu:
I
I
I
:
EMITTER
DIFFERENTIAL
FLAT::
EMITTER
DIFFERENTIAL
FLAT:
TAPE OUT
'
FOLLOWER
AMP
AMP'!
FOLLOWER
AMP
AMP
f
,
AMP
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AMP
INPUT
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TAP.E MON
0
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sLM
JACK
VR301
LED
METER
CONTROL
"-
-y
VRIOOI
SIGNAL GAIN
CONTROL
w
I
I:-METER
AMP
a
COMPARATOR
HALF-WAVE
L-O-------l
RECTIFIER
a
AMP
IC801
o
:L
I
FRQUENCY EQUALIZER
GAIN
CONTROL
-
~vi~R
I
et:
o
I
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hl
t-
s
0..
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fSiGNAC
GAIN CoNTROL AMP-
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~a~C,OMPARATOR
COMPARATOR
IC 203
I
L__
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SIGNAL GAIN
CONTROL LED
METER
OUT
T
,
,
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,
:1
I
,
,
I
,
,
,
,
FREQUENCY SELECTOR
---
-
--
-
-
-
/

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