Schematic Diagram - A Class Amp Board (1/2) - Sony STR-DA5400ES Service Manual

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3 7 6 3 1 5 1 5 0

6-38. SCHEMATIC DIAGRAM - A CLASS AMP Board (1/2) -

1 2
A CLASS AMP BOARD
A
B
C
D
CN1907
4P
T E AH
L 1 3 9 4 2 2 9 6 5 1 3
E NC 1
NC 2
BIAS
NC 3
BOARD
NC
CN1910 4
(Page 93)
CN1504
12P
GND 12
SR 11
F
GND 10
9
GND
SL 8
AJ
GND 7
GND 6
CONNECTOR1
FRONT-R 5
BOARD
GND 4
CN1207
(Page 91)
GND 3
G
FRONT-L 2
GND
1
H
I
w w w
J
STR-DA5400ES
3 4 5
(1/2)
R1704
Q1701-1705
R1703 220
PRE DRIVE
220
Q1703
58.4 2SA1038S-RSE-TP 58.5
57.8 57.8
Q1702
2SA1038S-RSE-TP
57.6 57.8
C1704
R1705
680p
330
57.6 57.8
C1702
100p 500V
-0.4 -0.4
-2 -1
C1701
Q1701
4.7
HN4C06J -0.8
50V
R1702 R1706
100k
3.3k
C1703
100p
Q1704
-9
2SC2229-OY
-53.6
-54.1
C1705
100
25V
R1707
2.2k
R1714
100k
1/2W
C1710 C1711
5p
220 R1713
3.9k
16V 500V
1/3W
R1709
27k
1/2W
R1553 R1554
R1701
R1561
220 220
1k
100
Q1555
Q1553 2SA949-OY
R1551
58.1
2SA1038S-RSE-TP 58.5
1k
57.2 57.2 57.9
Q1552
2SA1038S-RSE-TP
57.9
57.2
Q1551-1555
C1554
PRE DRIVE R1555
680p
330
C1557
7p
500V
C1558
Q1551
330
HN4C06J
C1551 25V
57.9 57.2
C1552 4.7
50V
100p 500V
-0.5 -0.5
-2 -1
C1565
5p
-1
500V
R1552
R1556
100k
3.3k
R1559
-9
1/2W
-53.2
C1553 Q1554
100p 2SC2229-OY
-54.1
C1555
100
x a o 25V
y
R1557
R1563
C1560
2.2k
220
3.9k
16V
. 1/3W i
http://www.xiaoyu163.com
6 7 8 9
R1711 R1753
100 220
R1751
1k
58.6
2SA1038S-RSE-TP
57.9 57.9
Q1752
2SA1038S-RSE-TP
57.6
Q1705
2SA949-OY
57.7
1
C1707
7p
500V
R1755
C1754
330 680p
57.7 57.9
C1752
100p 500V
-0.3 -0.3
-1
-2
C1751
R1752
4.7 Q1751
100k -0.8
50V HN4C06J
R1756
3.3k
C1753
C1715 C1708
330 100p
5p
500V 25V
R1763
C1760
Q1754
3.9k
220 -9
2SC2229-OY
16V 1/3W
-53.8
Q1751-1755
PRE DRIVE
-54.3
R1757
C1755
2.2k
100
25V
R1712
10k
1/2W
Q Q
3 7 6
Q1501-1505
PRE DRIVE
R1503
R1504
220
220
Q1502
58.7 58.2
2SA1038S-RSE-TP
57.6 57.6
Q1503
2SA1038S-RSE-TP
58.7
57.2
57.6
1
C1504
R1505
680p
330
57.2 57.6
C1502
100p 500V
-0.5 -0.5
-2 -1
C1501
Q1501
4.7
-1
50V HN4C06J
R1506
3.3k
R1564
C1503
R1502
100k
100p
27k 100k
1/2W
-9
-53.2
Q1504
2SC2229-OY
-54.2
C1505
R1562
u 1 6 3 100
R1507
10k 25V
2.2k
1/2W
C1510
R1513
220
3.9k
16V
1/3W
R1501
1k
65 65
2 4
8 9 9
10 11 12
R1754 R1761
220 100
Q1753
58.6 58.1
57.9 57.7
Q1755
2SA949-OY
57.9 1
C1757
7p
500V
C1761
5p
R1759
500V
27k
1/2W
R1764
100k
1/2W
C1765
5p C1758
CN1905
500V 330
12P
25V
R1762
10k
1 SR BIAS+
1/2W
2 SR BIAS-
3 SR SPOUT
3 1 5 1 5 0 8 9
4
SL BIAS+
AK
SL BIAS-
5
6 SL SPOUT
POWER
7 FR BIAS+
AMP
FR BIAS- BOARD
8
CN1903
9 FR SPOUT
(Page 71)
10 FL BIAS+
FL BIAS-
11
12 FL SPOUT
R1511
100
Q1505
58.2
2SA949-OY
57.2
C1507 1
7p
500V
C1508
330
25V
C1515
5p
500V
R1514
100k
R1512
1/2W
10k
1/2W
R1509
27k
1/2W
1
m
41
A CLASS
c o
AMP
BOARD
(2/2)
2
.
(Page 66)
STR-DA5400ES
2
8 9 9
2 4 9 8 2 9 9