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

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
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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)