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Schematic Diagram - Protector (f-c) Board - Sony STR-DA6400ES Service Manual

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6-98. SCHEMATIC DIAGRAM - PROTECTOR (F-C) Board -

1
2
PROTECTOR (F-C) BOARD
A
B
CN1571
7P
FR BIAS+
1
FR BIAS+
2
AV
FR BIAS-
3
FR BIAS-
4
POWER
C
AMP
FR +PTrE
5
BOARD
FR -PTrE
6
CN1572
FR SPOUT
7
(Page 83)
CN1521
14P
FL BIAS-
1
FL BIAS+
2
FL BIAS+
3
D
FL BIAS-
4
AW
FL +PTrE
5
T E
L
FL -PTrE
1 3 9 4 2 2 9 6 5 1 3
6
POWER
FL SPOUT
7
AMP
C BIAS+
8
BOARD
C BIAS+
9
CN1510
(Page 83)
C BIAS-
10
C BIAS-
11
C +PTrE
12
E
C -PTrE
13
C SPOUT
14
F
G
w w w
H
STR-DA6400ES
3
4
5
R1575
C1572
2SA1038S-RSE-TP
0
4.7k
220p
0
-0.2
R1576
R1577
6.2k
1.8k
BIAS+
BIAS+
Q1573
BIAS-
2SA1038S-RSE-TP
BIAS-
-0.2
0
-58.8
R1585
68k
BIAS-
BIAS+
BIAS+
BIAS-
R1525
C1522
0
4.7k
2SA1038S-RSE-TP
220p
0
BIAS+
BIAS+
0
R1527
BIAS-
R1526
1.8k
6.2k
BIAS-
Q1523
2SA1038S-RSE-TP
0
0
-59.2
R1535
68k
R1625
C1622
4.7k
0
220p
0
Q1622
-0.1
2SA1038S-RSE-TP
R1626
R1627
6.2k
1.8k
Q1623
2SA1038S-RSE-TP
-0.1
0
R1635
-59.1
68k
x
a o
y
.
i
http://www.xiaoyu163.com
6
7
Q1572-1574
Q1572
CURRENT DETECT
R1581
47k
R1586
220k
R1579
6.2
D1572
20k
1SS133T-72
0
R1578
15k
C1573
2SC1740S-QRT
0.01
R1582
C1574
R1580
15k
10
1.5k
50V
R1531
47k
Q1522
Q
Q
3
7
6
R1536
220k
Q1522-1524
CURRENT DETECT
R1533
47k
Q1524
2SC1740S-QRT
R1529
D1522
6.1
R1528
20k
1SS133T-72
15k
0
C1523
0.01
C1524
R1532
10
15k
50V
R1530
1.5k
R1631
47k
R1636
220k
Q1622-1624
CURRENT DETECT
R1629
R1633
20k
47k
D1622
C1623
6.1
1SS133T-72
0.01
R1628
0
15k
C1624
R1632
10
R1630
15k
50V
1.5k
u 1 6 3
123
123
2
4
8
9
9
8
9
10
Q1574
R1583
R1584
47k
22k
CN1561
4P
3
1
5
1
5
0
8
9
CN1501
10P
BIAS+
BIAS+
BIAS-
BIAS-
R1534
22k
CN1503
8P
BIAS+
BIAS+
R1634
BIAS-
22k
BIAS-
BIAS+
BIAS+
Q1624
BIAS-
2SC1740S-QRT
BIAS-
m
CN1611
4P
c o
.
STR-DA6400ES
2
8
9
9
11
12
1
FR +PTrE
2
FR -PTrE
(FOR ADJUSTMENT)
3
FL +PTrE
4
FL -PTrE
2
4
9
8
2
9
9
1
FR BIAS+
2
FR BIAS+
3
FR BIAS-
4
FR BIAS-
BS
5
DC
6
SHORT
BIAS
7
4/8
BOARD
CN1512
8
LIMT
(Page 107)
9
GND
10
+15V
1
FL BIAS+
FL BIAS+
2
BT
3
FL BIAS-
FL BIAS-
4
BIAS
5
C BIAS+
BOARD
C BIAS+
6
CN1513
7
C BIAS-
(Page 107)
C BIAS-
8
1
C +PTrE
2
C -PTrE
(FOR ADJUSTMENT)
3
NC
NC
4

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