Schematic Diagram - Bias Board - Sony STR-DA5500ES Service Manual Digest

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3 7 6 3 1 5 1 5 0

5-65. SCHEMATIC DIAGRAM - BIAS Board -

1 2
BIAS BOARD
A
B
Q1904
2SC1815GR-TPE2
3.3
0
C
C1771
47
25V
Q1771
2SD2396K
BIAS
1.1
-1
D
-0.5
T E
L 1 3 9 4 2 2 9 6 5 1 3
R1774
47k
R1771
R1772
3.3k
1k
E
RV1751
220
BIAS ALIGNMENT
F
CN1705
G
14P
H
BF
PROTECTOR (SURR)
w w w
BOARD
CN1704
(Page 89)
STR-DA5500ES
3 4 5
D1908
D1909
1SS133T-72 1SS133T-72
R1929
10k
3.1
Q1906
2SA1038S-RSE-TP
R1912
10k
-59.5
D1910
1SS133T-72
0
C1906 Q1904-1906
R1913
470
LEVEL DETECT
10k
6.3V
D1904
1SS133T-72
C1721 C1571
47 47
25V 25V
Q1721
Q1571 Q1521
2SD2396K 2SD2396K
2SD2396K
BIAS
BIAS BIAS
1.1
1.1 1.1
-1 -1
-0.5
-0.5 -0.5
R1724
R1574
47k
47k
R1572
R1721 R1722 R1571 R1521
1k 1k
3.3k 3.3k 3.3k
RV1701 RV1551 RV1501
220 220
BIAS ALIGNMENT BIAS ALIGNMENT BIAS ALIGNMENT
CN1512
10P
BG
PROTECTOR (F-C)
BOARD
CN1501
(Page 89)
x a o
y
. i
http://www.xiaoyu163.com
6 7
Q1905
2SC2389STP-RS
-60
-59.9
C1905
R1911
22
22k
50V
C1621 C1871
C1521 47
47
47 25V 25V
25V
Q1871
Q1621
2SD2396K 2SD2396K
BIAS
BIAS
1.1
1.1
-1 -1 -1
-0.5
-0.5
Q Q
3 7 6
R1624
R1524 R1874
47k
47k 47k
R1522 R1871 R1872
R1621 R1622
1k 1k
3.3k 1k 3.3k
RV1601 RV1851
220 220 220
BIAS ALIGNMENT BIAS ALIGNMENT
CN1513
CN1803
8P
14P
BH
PROTECTOR (F-C)
BOARD
CN1503
(Page 89)
u 1 6 3
87 87
2 4
8 9 9
8 9 10
C1907
47p
R1923
1k
NJM4565D
2.1
-13.5
R1916
15
12k
VDD
C1821
47 IC1901
25V
LIMITTER
Q1821
2SD2396K
BIAS
1.1 -1
-0.5
3 1 5 1 5 0 8 9
R1824
47k
R1821 R1822
1k
3.3k
RV1801
220
15
BIAS ALIGNMENT
14.3
Q1907
14.9
2SA1038S-RSE-TP
BJ
PROTECTOR (SB) m
BOARD
CN1801
(Page 89)
c o
.
STR-DA5500ES
2
8 9 9
11 12 13
R1918 R1919
IC1901
47k 10k
-14.9
VSS
-9.3
-13.5
R1917
14.2
470K
C1908
47p
D1905
1SS133T-72
2 4 9 8 2 9 9
13.7
R1914
22k
0
C2002
220
35V
Q1908
DTC124ESA-TP
R1915
22k
Q1907, 1908
LIMITTER DETECT
CN1911
8P
BD
A-CLASS AMP BOARD
(2/2)
CN1908
(Page 85)