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IC BLOCK DIAGRAMS (CONT.)
Audio Processor (IC3001)
IN1a
MONa
MONb
SEL
-2dB-2dB
AGC
AGC SR FIL
1
IN2a
2
IN3a
3
IN4a
4
VOL 1 TONE
TONE
NJRC
Sorround
"eala"
&
Simulated
Stereo
IN1b
SEL
30
5 20
IN2b
29
IN3b
28
IN4b
27
26
TONE
-Hb
24
VOL 1
VOL 2
IICBUS
Interface
VOL 2
6
OUTa
10
LINEa
OUTb LINEb Vref
Vcc
7 8
+4.5dB+4.5dB
TONE
-Lb
TONE
-Ha
TONE
-La
23 17
16
GND
15
CSR
25
CTL
18
CTH
19
CVB
12
CVA
11
SCL
14
SDA
13
9
21 22
Bias
Audio AMP (IC001)
2
5 7
6 1
3
10
12
8
4
Standby SW
CH 1
Input
PRE-GND
(For input)
CH 2
Input
CH 1
Output
Standby Vcc
FilterP. P.
POWER
GND
(For output)
CH 2
Output
Protect popped noise
CH 1
AMP
(in)
REF
AMP
CH 2
AMP
(in)
CH 1
AMP
(out)
CH 2
AMP
(out)
TSD Protector
(Thermal protection curcuit)
Ripple Filter Block
RNf1
Rf1
RNf2
Rf2