Schematic Diagram - A Class Amp Board (2/2) - Sony STR-DA5400ES Service Manual

STR-DA5400ES

6-39. SCHEMATIC DIAGRAM - A CLASS AMP Board (2/2) -

1 2
A
B
C
D
CN1906
E
-B 12
AGND
11
+B 10
SBLSPOUT 9
AL
SBL BIAS- 8
SBL BIAS+ 7
POWER
SBR SPOUT
6
AMP
F
BOARD
SBR BIAS- 5
CN1904
SBR BIAS+ 4
(Page 71)
C SPOUT
3
C BIAS- 2
C BIAS+ 1
41
1
2
G
A CLASS
AMP
BOARD
(1/2)
(Page 65)
H
I
J
STR-DA5400ES
3 4 5
A CLASS AMP BOARD (2/2)
Q1902, 1903
LIMITTER DETECT
R1549
100k
R1812 C1805
10k 100
-58.4
1/2W 25V
-59.1 -59.1
Q1902
2SD774-T-34
C1815
R1905
R1908
5p
2SC2229-OY
560 2W
220 2W
500V
Q1903
2SD774-T-34
-59.1 -59.1
R1814
C1811
-58.3
100k
5p
1/2W
500V
R1907 Q1801-1805
100k
PRE DRIVE
C1808
330
25V
C1804
680p
C1807
7p
500V
C1902
22
100V
12P
1 57.7
C1901
22
57.3 57.7
100V
Q1805
2SA949-OY
2SA1038S-RSE-TP
58.3 58.3
R1903 10
R1809
R1811 R1804
27k 220
100
1/2W
C1611
5p
500V
R1614
100k
1/2W
Q1601-1605
PRE DRIVE
C1605
R1612
100
10k
25V
1/2W
-53.6
C1615
5p
500V
-0.3
-1
57.7
C1608 C1604
680p
330
50V
25V C1607
7p
500V
Q1605
1 2SA949-OY 57.7
57.4
57.9 58.4
R1609
R1611
R1604
27k
100
220
1/2W
6 7 8
R1813
C1810
3.9k
220
R1924
1/3W
16V
R1807
10k
2.2k
-54.6
-53.5
Q1804
C1803
-9
100p 4 3 2 1
R1806
3.3k
5 6 7 8
-1
-0.5 -0.5
-1
-2
R1927
Q1801
10k
HN4C06J
57.7 57.3
R1925
24k
R1910 R1921
R1805 330k
20k
330
C1802
R1802
100p
57.3 100k
4.9
500V
57.7
Q1802
C1801
2SA1038S-RSE-TP
4.7
50V
58.3
Q1803
R1906
22k
R1803
220
R1613 C1610
220
3.9k
1/3W 16V
C1603
C1855
100p
100
25V
R1862
-53.6
10k
R1607
1/2W
2.2k
-53.9
C1858
R1602
C1865
330
100k
Q1604 5p
25V 500V
2SC2229-OY
-8.9
R1606
3.3k
C1602
C1601
-0.8
4.7 100p
50V 500V
-0.3
-2
Q1601
C1857
HN4C06J
7p
57.4
500V
R1605 R1601
330
1k
58.2
57.9
Q1855
2SA949-OY
57.9
57.4
57.7 57.7 Q1602
2SA1038S-RSE-TP
58.4
R1859
R1861
R1603
100 27k
220
1/2W
66 66
9 10 11
C1911
10
16V Q1910, 1911
Q1911
DTC124ESA-TP LIMITTER DETECT
D1902
1SS133T-72
3.7
Q1910
DTC143TSA-TP
0 0
R1909
D1903
1SS133T-72
33k
IC1902
R1922
3.3k
LIMITTER
3.7 Q1912
DTC124ESA-TP
Q1913
0
DTC124ESA-TP
R1932
D1901
10k
1SS133T-72 0
Q1912, 1913
LIMITTER DETECT
C1912
0.1
IC1904
2
+5V REGULATOR
14.9
O G
3 I 1
IC1904 TA78L05S
Q1901
2SA1038S-RSE-TP
14.9 14.9
Q1901
R1931
LIMITTER DETECT
1k
14.3
D1911
1SS133T-72
R1930
C1861
10k
5p
500V
D1907
R1864
R1901 R1902
100k 1SS133T-72
22k
22k
1/2W
0
Q1914
R1857 DTC124ESA-TP
2.2k 3.1
INVERTER
-54
Q1854 R1937
2SC2229-OY 2.2k
C1860
R1863
220
-9.1
3.9k
16V
1/3W
C1853
R1852
100p
100k
R1801
1k
C1852
100p 500V
R1856
3.3k C1851
-0.8
4.7
50V
-0.4 -0.4
-1 -2
Q1851
R1851
HN4C06J
1k
57.7 57.9
C1854 R1855
680p Q1851-1855
330
PRE DRIVE
57.7 57.9
57.7 57.7 Q1852
2SA1038S-RSE-TP
Q1853
2SA1038S-RSE-TP
58.2 58.2
R1854
R1853
220
220
12 13 14
0
R1904
22k
CN1908
8P
0
1 4/8
2 -B
AM
3 GND
4 GND
5 +15V BIAS
BOARD
6 -15V
CN1911
7 LIMITER
(Page 93)
8 PROTECT
CN1909
5P
AN
5
TEMP2
4
TEMP1
TEMPERATURE
R1936
3
GND
5.6k
DETECTION
1
+7V BOARD
CN1902
(Page 99)
CN1505
15P
1 TEMP 4/8
2 PROTECT
3 -15V
4 +15V
5 GND
6 4/8 AP
7 GND
8 SBL CONNECTOR2
BOARD
9 GND
CN1206
10 GND
(Page 91)
11 SBR
12 GND
13 GND
14 C
15 GND