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Audio Processor (IC3001)
MONa
5
1
IN1a
IN2a 2
SEL
IN3a 3
IN4a 4
30
IN1b
IN2b 29
SEL
IN3b 28
IN4b 27
26
MONb
Audio AMP (IC001)
CH 1
Input
PRE-GND
(For input)
CH 2
Input
IC BLOCK DIAGRAMS (CONT.)
AGC
20
VOL 1
AGC
VOL 1
Standby
5
Standby SW
2
CH 1
AMP
(in)
RNf1
3
REF
AMP
RNf2
CH 2
AMP
(in)
4
Protect popped noise
6
P. P.
TONE
TONE
SR FIL
-Ha
-La
6
7
8
TONE
NJRC
Sorround
"eala"
&
Simulated
Stereo
TONE
24
23
TONE
TONE
-Hb
-Lb
Vcc
7
CH 1
AMP
(out)
Rf1
TSD Protector
(Thermal protection curcuit)
Rf2
CH 2
AMP
(out)
Ripple Filter Block
1
Filter
— 36 —
OUTa
LINEa
10
9
VOL 2
IICBUS
Interface
VOL 2
Bias
21
22
17
OUTb LINEb
Vref
CH 1
12
Output
POWER
10
GND
(For output)
CH 2
8
Output
13
SDA
14
SCL
11
CVA
12
CVB
19
CTH
18
CTL
25
CSR
15
GND
16
Vcc
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