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IC BLOCK DIAGRAM & DESCRIPTION
1C432 BA3835S (AUDIO SPECTRUM ANALYZER BAND BASS FILTER)
LOSHz
BPF
B40Hz
PEAK
[RES ]
LkHz
PEAK
[RES |
PEAK
oe
RES
B.4kHzI
GND
AOUT
TEST
N.C.
SEL
IC BLOCK DIAGRAM & DESCRIPTION
1€453.
BH3854FS
'
( AUDIO SOUND CONTROL )
a
=
2
a
G2)
"
N
z
&
1-30)
Surround
Matrix
1€472, NJM4558L ( OP. AMP.)
1C473
A OUT A-IN AtIN
V™ B+IN B-IN BOUT
V*
NC
vecl
1€471 LA4705
POWER
GNOI
((5) NON- INVERTING
OUT!
AF
INI
PRE
GNO
STANOBY
OUTPUT PIN TO GNO
Sw-IN
5
SHORT
PROTECTOR
NON- INVERTING
QuT2
POWER
GNO2
INVERTING
Our?
POP
NOISE
PREORIVER
PREVENTION
CIRCUIT
- 63 -
vec2
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