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Master volume IC section
LVA10669-3
DA
1
CL
2
S_MUTE
3
4
LVL_DET
5
SW_OUT
6
+7V
7
-7V
8
FL
9
10
FR
11
CN513
QGB1224K1-11
CN526
QGB2510K1-11
FL
1
FR
2
DSP_R
3
4
DSP_L
5
DSP_SW
6
DSP_SR
7
DSP_SL
8
DSP_C
9
DSP_SBR
10
DSP_SBL
11
2-15
IC503
RC4558D-X
5
7
6
IC503
4
RC4558D-X
3
1
C532
8
4.7/50
2
R554
100k
R553
13k
R552
1k
C1501
C1502
10/50
10/50
42
41
40
39
38
37
36
35
34
FR
0V
43
FL
0V
44
MULTI_SW
0V
45
MULTI_SR
0V
46
0V
MULTI_SL
47
MULTI_C
0V
48
IC511
49
BD3813KS
DSP_R
0V
50
DSP_L
0V
51
DSP_SW
0V
52
DSP_SR
0V
53
DSP_SL
0V
54
DSP_C
0V
55
56
1
2
3
4
5
6
7
8
9
C1508
C1510
C1509
C1507
10/50
10/50
10/50
10/50
CL
DA
C531
4.7/50
33
32
31
30
29
0V
28
A.GND
0V
27
SBWFR OUT
0V
26
A.GND
0V
SR OUT
25
0V
A.GND
24
0V
SL OUT
23
0V
A.GND
22
0V
C OUT
21
0V
A.GND
20
0V
19
7.0V
VCC
18
0V
A.GND
17
-7.0V
VEE
16
15
-7.0V
C1513
0.1
C1515
220/16
10 11 12 13 14
C1514
0.1
R1506
1k
C1511
560p
C1516
220/16
S_MUTE
C1552
N.I.
LEVEL DETECT
R1553
510k
2
R1554
Q1551
22
-
1
2SC3928A/RS/-X
D1551
3
+
1SS355W-X
IC513
RC4558D-X
R1555
(1/2)
C1551
10k
100/16
C1562
R1556
N.I.
100
R1562
270k
Q1561
2SC3928A/RS/-X
6
8
R1563
7
-
22
D1561
5
+
1SS355W-X
4
IC513
RC4558D-X
C1561
(2/2)
R1564
100/16
10k
R1565
C1553
100
0.1
IC512
BD3812F
0V
0V
SBL
SBL
IN
OUT
0V
SBR
A.GND
OUT
SBR
IN
0V
0V
C1517
A.GND
D.GND
0.1
-7.0V
C1519
VEE
560p
0V
0V
A.GND
DA
6.9V
0V
VCC
CL
C1518
0.1
R1551
22k
R1552
22k
R1561
12k
C1521
10/50
R
R1513
100k
R1514
100k
R
C1522
10/50
C1525
4.7/50
R15
10
R15
10
C1526
4.7/50
C1527
4.7/50
R15
10
C1529
4.7/50
R15
10
R15
10
C1530
4.7/50
R1541
1k
C
1
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