JVC RX-D205SJ, Service Manual

Page: 32 / 67

2-15
Master volume IC section
+
-
+
-
+
-
+
-
DA
DSP_SW
DSP_SR
MULTI_SR
DSP_SBL
CL
MULTI_SL
DSP_L
FL
DSP_L
MULTI_C
S_MUTE
DSP_R DSP_SR
DA
S_MUTE
DSP_SBL DSP_SBR
DSP_SL
DSP_R
FR
DSP_C
DSP_C
MULTI_SW FR
FL
DSP_SW
DSP_SL
DSP_SBR
FR
FL
CL
LVL_DET
SW_OUT
-7V
+7V
1k
R1506
10
R15
IC512
BD3812F
14
SBL
OUT
13
SBR
OUT
12
11
D.GND
10
9 DA
8
CL
7
VCC
6 A.GND
5
VEE
4 A.GND
3
SBR
IN
2
A.GND
1
SBL
IN
R1561
12k
10/50
C1507
R 10/50
C1521
4.7/50
C1525
10
R15
0.1
C1505
R15
10
220/16 C1515
IC511
BD3813KS
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29 30 31 32 33 34 35 36 37 38 39 40 41 42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
4.7k R1501
C1530
4.7/50
R1553
510k
C1518
0.1
C1519
560p
100k
R1513
R1508
1k
0.1 C1514
47k
R1503
R15
10
0.1 C1513
C1529
4.7/50
1
C
C1517
0.1
10/50
C1522
1k
R1541
100k
R1514
10
R15
4.7/50
C1526
220/16
C1516
Q1551
2SC3928A/RS/-X
R1552
22k
0.1
C1504
R1507
1k
4.7k R1502
10/50
C1510
560p
C1511
R1551
22k
10/50
C1508
C1551
100/16
10/50
C1501
10/50
C1502
1k
R1505
4.7/50
C1527
0.1
C1506
0.1
C1503
10/50
C1509
R
47k
R1504
CN526
QGB2510K1-11
1
2
3
4
5
6
7
8
9
10
11
CN513
QGB1224K1-11
1
2
3
4
5
6
7
8
9
10
11
IC513
RC4558D-X
6
5
7
4
8
D1551
1SS355W-X
D1561
1SS355W-X
R1554
22
R1563
22
R1556
100
R1562
270k
Q1561
2SC3928A/RS/-X
R1555
10k
R1564
10k
R1565
100
C1561
100/16
IC513
RC4558D-X
2
3
1
C1552
N.I.
C1562
N.I.
C1553
0.1
C1554
0.1
R551 100k
R554
100k
IC503
RC4558D-X
6
5
7
IC503
RC4558D-X
2
3
1
4
8
R553
13k
R552
1k
C530
0.1
C529
0.1
C532
4.7/50
C531
4.7/50
0V
7.0V
0V 0V
0V
A.GND
C OUT
0V 0V
0V
0V
0V
DA
VCC
0V
0V
0V
CL
0V
SR OUT
0V
0V
0V
0V
0V
0V 0V
A.GND
0V
0V
0V
0V
0V
0V
0V
0V
A.GND
0V
0V
A.GND
0V
0V
SL OUT
0V 0V 0V
-7.0V
R OUT
-6.2V
0V
0V
0V 0V
A.GND
-7.0V
0V
6.9V
0V
0V
SBWFR OUT
0V
0V
0V
0V
-6.2V
0V
0V
A.GND
L OUT
0V
VEE
0V
GND
A.GND
0V
0V
0V
0V
0V
-7.0V
0V
0V
LVA10669-3
(1/2)
(2/2)
to CN683 of LVA10669-5
to CN503 of LVA10669-1
(SHEET 5,6/12)
(SHEET 11/12)
LEVEL DETECT