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IC601 LA2786
1
BPF1
NOISE
NOISE
FILTER
BPF2
2
BALANCE
VREF
3
CONTROL
V REF
CONTROL
S-CH DC OUT
4
C-CH DC OUT
5
L-CH DC OUT
6
7
R-CH DC OUT
VREF
8
L-IN
9
VR
R-IN
10
V
SS
11
L-BPF1
12
L-BPF2
13
14
L-BPF3
DC CUT
15
DC CUT
16
R RECT
17
L RECT
18
VLR-TH
19
VLR-1
20
VLR-2
21
IC604 TC9210P
V
1
SS
OUT
2
L-CH
DATA
L-CH
IN
3
LATCH
CIRCUIT
4
A-GND
NC
5
6
CS1
SHIFT RESISTER
LEVEL
GND
7
SHIFT
CIRCUIT
8
CK
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LPF
CH
NOISE
GENERATOR
DIVIDER
VR
VR
VCA
VCA
VCA
VCA
VCA
VCA
VCA
VCA
LPF
LPF
+
+
RECT
RECT
RECT
RECT
LOG
LOG
DIFF
DIFF
16
15
R-CH
DATA
14
LATCH
CIRCUIT
13
12
11
(13bit)
LEVEL
10
SHIFT
STROBE OSC
CIRCUIT
CIRCUIT
9
42
CLK
41
DATA
40
ENABLE
OSC
39
OSC1
38
V
CC
37
L-OUT
36
R-OUT
35
S-OUT
34
C-OUT
33
CMODE-CAP.
32
C-TRIM DC CUT
31
R-BPF1
30
R-BPF2
29
R-BPF3
28
DC CUT
27
DC CUT
26
L-R RECT
25
L+R RECT
24
VCS-TH
23
VCS-1
22
VCS-2
IC901 LA5617
V
DD
CURRENT
ON/OFF
LIMITER
OUT
VMUTE
IN
R-CH
A-GND
VREF
VCC
NC
ERROR
AMP
CS2
STB
2
3
4
1
DATA
– 90 –
CURRENT
START
ON/OFF
LIMITER
CIRCUIT
VREF
VCC
OVER HEAT
PROTECT
VREF
~ _ 1.8V
ERROR
AMP
5
6
7
8
9
10
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