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Schematic Diagram - A-class Board (1/2) - Sony STR-DA6400ES Service Manual

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STR-DA6400ES
Q Q
3 7 6 3 1 5 1 5 0

6-41. SCHEMATIC DIAGRAM - A-CLASS Board (1/2) -

A
B
C
D
T E
L
1 3 9 4 2 2 9 6 5 1 3
E
F
G
H
I
w w w
J
STR-DA6400ES
1
2
3
A-CLASS AMP BOARD
C1702
100p 500V
R1702
100k
CN1907
4P
AH
NC
1
NC
2
BIAS
NC
3
BOARD
NC
4
CN1910
(Page 107)
C1710
CN1504
100
12P
25V
GND
12
SR
11
GND
10
GND
9
SL
8
AJ
R1701
7
GND
1k
1/3W
GND
6
CONNECTOR1
FRONT-R
5
BOARD
R1551
GND
4
1k
CN1207
1/3W
(Page 105)
GND
3
FRONT-L
2
GND
1
C1551
C1552
100p 500V
R1552
100k
C1553
x
a o
y
C1560
R1563
100
25V
1/3W
.
i
http://www.xiaoyu163.com
4
5
6
(1/2)
R1704
Q1701-1705
220
R1703
PRE DRIVE
220
Q1703
58.4
2SA1038S-RSE-TP
58.5
57.6
57.8
57.8
Q1702
2SA1038S-RSE-TP
C1707
57.6
7p
57.8
500V
C1704
R1705
680p
330
57.6
57.8
-0.4
-0.4
-1
-2
C1701
Q1701
4.7
C1715
C1708
HN4C06J
-0.8
50V
5p
R1706
500V
3.3k
C1703
100p
Q1704
-9
2SC2229-OY
-53.6
-54.1
C1705
100
25V
R1712
10k
1/2W
R1707
Q
Q
2.2k
3
7
6
R1714
100k
1/2W
C1711
R1713
5p
3.9k
500V
1/3W
R1709
27k
1/2W
R1553
R1554
R1561
220
220
100
Q1555
Q1553
2SA949-OY
58.1
2SA1038S-RSE-TP
58.5
58.7
57.2
57.2
57.9
Q1552
2SA1038S-RSE-TP
57.9
57.2
1
Q1551-1555
C1554
PRE DRIVE
R1555
680p
330
C1557
7p
500V
C1558
Q1551
330
HN4C06J
25V
57.2
4.7
57.9
50V
-0.5
-0.5
-2
-1
C1565
5p
-1
500V
R1556
3.3k
R1564
R1559
-9
100k
27k
1/2W
1/2W
-53.2
Q1554
100p
2SC2229-OY
-54.1
C1555
100
25V
R1562
u 1 6 3
10k
R1557
1/2W
2.2k
3.9k
70
70
2
4
8
9
9
7
8
9
R1711
R1753
R1754
220
220
100
R1751
1k 1/3W
Q1753
58.6
2SA1038S-RSE-TP
58.6
57.9
57.9
57.9
Q1752
2SA1038S-RSE-TP
Q1705
2SA949-OY
57.7
57.9
1
R1755
C1754
330
680p
57.7
57.9
C1752
100p 500V
-0.3
-0.3
-2
-1
C1751
R1752
4.7
Q1751
100k
-0.8
HN4C06J
50V
R1756
3.3k
C1753
100p
330
25V
C1761
R1763
C1760
Q1754
3.9k
100
-9
500V
2SC2229-OY
1/3W
25V
-53.8
Q1751-1755
R1764
PRE DRIVE
-54.3
R1757
C1755
2.2k
100
25V
R1762
3
1
5
1
5
0
8
9
Q1501-1505
PRE DRIVE
R1503
R1504
R1511
220
220
Q1502
100
58.7
2SA1038S-RSE-TP
58.2
57.6
57.6
Q1503
Q1505
2SA1038S-RSE-TP
2SA949-OY
57.2
57.2
57.6
C1507
7p
500V
C1504
R1505
680p
330
C1508
330
25V
C1515
57.2
57.6
C1502
5p
100p 500V
500V
-0.5
-0.5
-1
-2
C1501
Q1501
4.7
HN4C06J
-1
50V
R1506
3.3k
R1512
C1503
10k
R1502
100p
1/2W
100k
-9
-53.2
Q1504
m
2SC2229-OY
-54.2
C1505
c o
R1507
100
25V
2.2k
C1510
.
R1513
100
3.9k
25V
1/3W
R1501
1k
1/3W
2
8
9
9
10
11
12
R1761
100
58.1
57.7
Q1755
2SA949-OY
1
C1757
7p
500V
5p
R1759
27k
1/2W
100k
1/2W
C1765
5p
C1758
CN1905
330
500V
12P
25V
10k
1
SR BIAS+
1/2W
2
SR BIAS-
3
SR SPOUT
2
4
9
8
2
9
9
4
SL BIAS+
AK
SL BIAS-
5
6
SL SPOUT
POWER
FR BIAS+
7
AMP
BOARD
8
FR BIAS-
CN1903
9
FR SPOUT
(Page
10
FL BIAS+
83)
11
FL BIAS-
FL SPOUT
12
58.2
1
R1514
100k
1/2W
R1509
27k
1/2W
1
41
A CLASS
AMP
BOARD
(2/2)
2
(Page 71)

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