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

STR-DA5400ES

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
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
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
BU
JW1053
CN1861
JW1054
JW1055
JW1056
ADJUSTMENT
JW1057
1-876-810-

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

1 2
A
B
SR BIAS+
SR BIAS+
C SR BIAS-
SR BIAS-
SR +PTrE
AT
SR -PTrE
SR SPOUT
POWER
SL BIAS+
AMP
SL BIAS+
BOARD
CN1703
SL BIAS-
D (Page 71)
SL BIAS-
SL +PTrE
SL -PTrE
SL SPOUT
E
F
SBR +PTrE
SBR -PTrE
(FOR ADJUSTMENT)
G
SBL +PTrE
SBL -PTrE
BIAS BOARD
CN1803
(Page 92)
H
FOR
+15V
GND
DC
I
SHORT
4/8
BU
LIMT
SBR BIAS+
BIAS
SBR BIAS+
BOARD
CN1803 SBR BIAS-
11 (Page 93)
SBR BIAS-
(12)
SBL BIAS+
J
SBL BIAS+
SBL BIAS-
SBL BIAS-
K
L
96 96
3 4 5 6
PROTECTOR (SURR) BOARD
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
1SS133T-72
0.01
Q1773
CN1701 2SA1038S-RSE-TP
R1778
14P 0
15k
BIAS+
0 -0.3
1
R1780 C1774
BIAS+ R1782
10
2 1.5k 15k
BIAS- 50V
3
-59.4
BIAS-
4
5
6
R1725
C1722
7
4.7k
BIAS+ 220p
0
8
BIAS+
0
9
BIAS-
10
BIAS- R1726
Q1722
11 6.2k
-0.3
2SA1038S-RSE-TP
12
13
14
R1727
1.8k
R1728 R1729
15k 20k Q1724
Q1723 2SC1740S-QRT
6.2
2SA1038S-RSE-TP -0.2
D1722
C1723
1SS133T-72
0.01
0
0
R1732 C1724
-59.2 R1730
15k 10
1.5k
50V
Q1722-1724
CURRENT DETECT
R1735
68k
PROTECTOR (SB) BOARD
CN1861
4P
1
2
3
4
Q1872-1874
CURRENT DTECT
CN1801
14P
R1883 47k
1
2
3
R1881
4
47k
5
R1879
6 20k
R1886
R1884
7
220k
22k Q1874
2SC1740S-QRT
8
6.1
C1873
D1872
9 0 0.01
1SS133T-72
10
R1882
11
15k R1880
12 1.5k
13
C1874
14 10
50V
R1885
68k
Q1822-1824
CURRENT DTECT
R1831
47k
R1834
22k
R1833
47k
R1829
R1836
20k
220k
6.1
D1822 C1823
Q1824
0.01
2SC1740S-QRT 1SS133T-72
0
C1824 R1832 R1830
10
15k 1.5k
50V
R1835
68k
7 8 9 10
R1781
47k
220k
R1786
R1783 47k
R1784
22k
6.2
Q1774
2SC1740S-QRT
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+
1 SR BIAS+
R1734
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
9 +15V CN1705
(Page 93)
10 GND
11 LIMT
12 4/8
13 SHORT
14 DC
CN1871
14P
1 SBR BIAS+
2 SBR BIAS+
3 SBR BIAS-
4 SBR BIAS-
5 SBR +PTrE
AX
6 SBR -PTrE
7 SBR SPOUT
POWER
8 SBL BIAS+
AMP
9 SBL BIAS+ BOARD
CN1872
10 SBL BIAS-
(Page
11 SBL BIAS-
71)
12 SBL +PTrE
0 R1875
C1872
4.7k
0 220p 13 SBL -PTrE
14 SBL SPOUT
R1876
Q1872 6.2k
0 2SA1038S-RSE-TP
R1877
1.8k
R1878
15k
0
Q1873
2SA1038S-RSE-TP
0
-59.1
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