Printed Wiring Boards - Protector (Sb/Surr) Section; Schematic Diagram - Protector (Sb/Surr) Section - Sony STR-DA5400ES Service Manual

STR-DA5400ES
Q Q
3 7 6 3 1 5 1 5 0

6-69. PRINTED WIRING BOARDS - PROTECTOR (SB/SURR) Section -

• See page 39 for Circuit Boards Location. •
1 2
PROTECTOR (SURR) BOARD
A
JW1091
JW1092
JW1093
JW1094
JW1095
BR
JW1096
BIAS BOARD
R1733
CN1705
(Page 92)
CN1761
B
FOR
ADJUSTMENT
JW1097
JW1098
JW1099
JW1100
C
PROTECTOR (SB) BOARD
T E
L 1 3 9 4 2 2 9 6 5 1 3
D
JW1060
JW1061
C1873
JW1062
AX
POWER AMP
BOARD
CN1872
JW1063
(Page 70)
JW1064
JW1065
C1823
E
• Semiconductor
Location
Ref. No. Location
D1721 B-4
D1722 B-3
D1771 B-4
D1772 B-3
D1821 E-2
D1822 E-3
D1871 E-2
D1872 E-3
Q1722 A-3
Q1723 A-3
Q1724 B-3
w w w
Q1772 B-3
Q1773 B-3
Q1774 B-3
Q1822 E-3
Q1823 E-3
Q1824 E-3
Q1872 D-3
Q1873 D-3
Q1874 D-3
STR-DA5400ES
: Uses unleaded solder.
3 4 5
CN1701
AT
JW1001
POWER AMP
JW1002
BOARD
JW1005 CN1703
D1722
C1723
(Page 70)
C1773
11
(12)
1-876-808-
JW1059
CN1801
JW1058
JW1052 BIAS BOARD
BU
JW1053
(Page 92)
CN1861
JW1054
JW1055
JW1056
ADJUSTMENT
JW1057
1-876-810-
x a o
. i
http://www.xiaoyu163.com

6-70. SCHEMATIC DIAGRAM - PROTECTOR (SB/SURR) Section -

1 2
A
B
CN1701
14P
SR BIAS+ 1
SR BIAS+ 2
C SR BIAS- 3
SR BIAS- 4
SR +PTrE 5
AT
SR -PTrE 6
SR SPOUT 7
POWER
SL BIAS+ 8
AMP
BOARD SL BIAS+ 9
CN1703
SL BIAS- 10
(Page 71)
D
SL BIAS- 11
SL +PTrE 12
SL -PTrE 13
SL SPOUT 14
E
F
CN1861
Q Q
4P
3 7
SBR +PTrE 1
SBR -PTrE 2
(FOR ADJUSTMENT)
G
SBL +PTrE 3
SBL -PTrE 4
CN1803
H
FOR
CN1801
+15V 1
GND 2
DC 3
I
SHORT 4
4/8 5
BU
LIMT 6
SBR BIAS+ 7
BIAS
SBR BIAS+ 8
BOARD
CN1803
SBR BIAS- 9
11
(Page 93)
SBR BIAS- 10
(12)
SBL BIAS+ 11
J
SBL BIAS+ 12
SBL BIAS- 13
SBL BIAS- 14
K
L
u 1 6 3
y
96 96
2 4
8 9 9
3 4 5 6
PROTECTOR (SURR) BOARD
R1781
R1786
R1783
0
Q1772
R1775
C1772 2SA1038S-RSE-TP
4.7k
220p
0
Q1772-1774
-0.2
CURRENT DETECT
R1779
R1776
20k
6.2k R1777
1.8k C1773 D1772 6.2
0.01 1SS133T-72
Q1773
2SA1038S-RSE-TP 2SC1740S-QRT
R1778
0
15k
BIAS+
0 -0.3
C1774
BIAS+ R1780 R1782
10
1.5k 15k
50V
BIAS-
-59.4
BIAS-
R1725
C1722
4.7k
BIAS+ 220p
0
BIAS+
0
BIAS-
R1726
BIAS-
Q1722
6.2k
2SA1038S-RSE-TP -0.3
R1727
1.8k
R1729
R1728
15k 20k Q1724
Q1723 2SC1740S-QRT
2SA1038S-RSE-TP 6.2
-0.2 D1722
C1723
1SS133T-72
0 0.01
0
R1732 C1724
-59.2 R1730
15k 10
1.5k
50V
Q1722-1724
CURRENT DETECT
R1735
68k
PROTECTOR (SB) BOARD
6 3 1 5 1 5 0 8 9
Q1872-1874
CURRENT DTECT
14P
R1883 47k
0
R1881
47k
R1879 R1877
20k
1.8k
R1886
R1884
220k
22k Q1874
2SC1740S-QRT
6.1
D1872 C1873
R1878
0 0.01
1SS133T-72 15k
R1882
R1880
15k
1.5k
C1874
10 -59.1
50V
R1885
68k
Q1822-1824
CURRENT DTECT
R1831
47k
R1834
22k
R1833
47k
R1829
R1836
20k
220k
6.1
D1822 C1823
Q1824
1SS133T-72 0.01
2SC1740S-QRT 0
C1824 R1832 R1830
10
15k 1.5k
50V
R1835
68k
m
c o
.
2
8 9 9
7 8 9 10
47k
220k
47k
R1784
22k
Q1774
CN1761
R1785
4P
68k
1 SR +PTrE
2 SR -PTrE
(FOR ADJUSTMENT)
3 SL +PTrE
4 SL -PTrE
R1731
47k
R1736 220k
R1733 47k
CN1704
14P
BIAS+
R1734 1 SR BIAS+
BIAS+
22k
2 SR BIAS+
BIAS-
3 SR BIAS-
BIAS-
4 SR BIAS-
BIAS+
5 SL BIAS+
BR
BIAS+
6 SL BIAS+
BIAS-
7 SL BIAS-
BIAS
BIAS-
8 SL BIAS-
BOARD
CN1705
9 +15V
(Page 93)
10 GND
11 LIMT
12 4/8
13 SHORT
14 DC
2 4 9 8 2 9 9
CN1871
14P
1 SBR BIAS+
2 SBR BIAS+
3 SBR BIAS-
SBR BIAS-
4
5 SBR +PTrE
AX
6 SBR -PTrE
7 SBR SPOUT
POWER
8 SBL BIAS+
AMP
BOARD
9 SBL BIAS+
CN1872
10 SBL BIAS-
(Page
11 SBL BIAS-
71)
12 SBL +PTrE
R1875
C1872
0 220p 4.7k 13 SBL -PTrE
14 SBL SPOUT
R1876
Q1872 6.2k
0 2SA1038S-RSE-TP
0
Q1873
2SA1038S-RSE-TP
0
0
C1822
220p
Q1822
2SA1038S-RSE-TP
R1825 R1826
0 4.7k 6.2k
0
R1827
1.8k
R1828
15k
0
Q1823
2SA1038S-RSE-TP
0
-59.1