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IC BLOCK DIAGRAM & DESCRIPTION
IC401 NJW1153FG1(6ch Electric Volume)
LAIN
32
RAIN
33
CAIN
34
SLAIN
35
SRAIN
36
SWAIN
37
L1IN
13
R1IN
14
L2IN
15
R2IN
16
L3IN
17
R3IN
18
L4IN
19
R4IN
20
L5IN
21
R5IN
22
L6IN
23
R6IN
24
L7IN
25
R7IN
26
L8IN
27
R8IN
28
Input selection
IC404 NJM4556AL(OP. AMP.)
D,M,V Type
(Top View)
1
A
2
3
V(-)
4
9
10
11
12
Att Gain
Att Gain
5 6 7 8
38 39 40 41 42 43
Multi-channel
input B
8
V(+)
7
B
6
5
1
- 34 -
58
59
60
61
Multi-channel selector
TONE
Volume
TONE
Volume
Volume
Volume
Volume
Volume
Amp Gain
45 46 47 48 3 2 1 64
L Type
A
B
2
3
4
5
6
7
V(+)
62
63
V+
55
Suppiy
GND
56
Volteage
V-
57
LATCH
31
uCOM
DATA
29
Interface
CLOCK
30
SW
LOUT
49
SW
ROUT
50
COUT
51
SLOUT
52
SROUT
53
SWOUT
54
8
V(+)
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