Schematic Diagram - Protector (F-C) Board - Sony STR-DA5300ES Service Manual

6-49. SCHEMATIC DIAGRAM – PROTECTOR (F-C) Board –
1 2
PROTECTOR (F-C) BOARD
A
B
CN1571
7P
FR BIAS+ 1
FR BIAS+ 2
Y
FR BIAS- 3
FR BIAS- 4
POWER
C
FR +PTrE 5
AMPLIFIER
BOARD
FR -PTrE 6
CN1572
FR SPOUT 7
(Page 79)
CN1521
14P
FL BIAS- 1
FL BIAS+ 2
FL BIAS+ 3
FL BIAS- 4
D
FL +PTrE 5
W
FL -PTrE 6
POWER FL SPOUT 7
AMPLIFIER
C BIAS+ 8
BOARD
C BIAS+ 9
CN1510
(Page 79)
C BIAS- 10
C BIAS- 11
C +PTrE 12
E
C -PTrE 13
C SPOUT 14
F
G
H
I
STR-DA5300ES
3 4 5
Q1572
R1575
C1572
2SA1038S-RSE-TP
0
4.7k
220p
0
-0.2
R1577
R1576
6.2k 1.8k
BIAS+
BIAS+
Q1573
BIAS-
2SA1038S-RSE-TP
R1578
15k
BIAS-
-0.2
0
-58.8 R1585
68k
BIAS-
BIAS+
BIAS+
BIAS-
Q1522
R1525
C1522
0
4.7k
2SA1038S-RSE-TP
220p
0
BIAS+
BIAS+
0
R1527
BIAS-
R1526
1.8k
6.2k
BIAS-
R1528
15k
Q1523
2SA1038S-RSE-TP
0
0
-59.2
R1535
68k
R1625
4.7k C1622
0
220p
0
Q1622
-0.1
2SA1038S-RSE-TP
R1626 R1627
6.2k
1.8k
Q1623 R1628
2SA1038S-RSE-TP 15k
-0.1
0
R1635
-59.1
68k
6 7 8
Q1572-1574
CURRENT DETECT
R1581
47k
R1586
220k
R1579 6.2
D1572
20k
1SS133T-72
0
Q1574
C1573
2SC1740S-QRT
0.01
R1582
C1574
R1580
15k 10
1.5k
50V
R1531
47k
R1536
220k
Q1522-1524
CURRENT DETECT
R1533
47k
Q1524
2SC1740S-QRT
R1529
D1522
6.1
R1534
20k
1SS133T-72
22k
0
C1523
0.01 C1524
R1532
10
15k
50V
R1530
1.5k
R1631 47k
R1636 220k
Q1622-1624
CURRENT DETECT
R1629
R1633
20k
47k
R1634
22k
D1622
C1623
6.1
1SS133T-72
0.01
0
C1624
Q1624
R1632 10
R1630
15k 50V 2SC1740S-QRT
1.5k
81 81
9 10 11
R1583
R1584
47k
22k
CN1561
4P
1 FR +PTrE
2 FR -PTrE
(FOR ADJUSTMENT)
3 FL +PTrE
4 FL -PTrE
CN1501
10P
BIAS+
1 FR BIAS+
BIAS+
2 FR BIAS+
BIAS-
3 FR BIAS-
BIAS-
4 FR BIAS-
AC
5 DC
6 SHORT
BIAS
7 4/8 BOARD
CN1512
8 LIMT
(Page 85)
9 GND
10 +15V
CN1503
8P
BIAS+
FL BIAS+
1
BIAS+
2 FL BIAS+
BIAS-
FL BIAS- AB
3
BIAS-
4 FL BIAS-
BIAS+
C BIAS+ BIAS
5
BIAS+
BOARD
6 C BIAS+
CN1513
BIAS-
C BIAS-
7
(Page 85)
BIAS-
8 C BIAS-
CN1611
4P
1 C +PTrE
2 C -PTrE
(FOR ADJUSTMENT)
3 NC
NC
4
STR-DA5300ES
12