Schematic Diagram - A Class Amp Board (2/2) - Sony STR-DA3300ES Service Manual
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- Operating instructions manual (294 pages) ,
- Service manual (242 pages) ,
- Technical bulletin (7 pages)
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6-28. SCHEMATIC DIAGRAM – A CLASS AMP Board (2/2) –
1
2
A CLASS AMP BOARD (2/2)
A
Q1902, 1903
LIMITTER DETECT
B
R1549
100k
C
2SD774-T-34
D
R1907
100k
C1902
E
22
100V
CN1906
12P
C1901
22
-B
12
100V
AGND
11
+B
10
R1903
10
SBLSPOUT
9
S
F
SBL BIAS-
8
SBL BIAS+
7
POWER
SBR SPOUT
6
AMP
BOARD
SBR BIAS-
5
CN1904
SBR BIAS+
4
(Page 57)
C SPOUT
3
C BIAS-
2
C BIAS+
1
G
1
1
2
A CLASS
AMP
BOARD
(1/2)
(Page 54)
H
I
J
K
STR-DA3300ES/DG1100
3
4
5
6
∗ R1905
330 2W (DA3300ES:US,CND,AEP,ECE/DG1100)
680 2W (DA3300ES:UK)
C1805
R1807
R1812
100
10k
2.2k
25V
1/2W
Q1902
2SD774-T-34
R1908
C1815
220
R1905
Q1804
∗
5p
2W
2SC2229-OY
500V
R1806
(DA3300ES:UK)
3.3k
R1934
Q1903
10k
1/2W
-1
-2
Q1801-1805
Q1801
PRE DRIVE
2SC5169-FG
C1808
330
C1804
R1805
25V
680p
180
C1807
7p
500V
Q1805
Q1802
2SA949-OY
2SA1038S-RSE-TP
Q1803
2SA1038S-RSE-TP
R1809
R1804
R1811
R1803
27k
220
220
100
1/2W
C1611
5p
500V
R1614
C1603
100k
100p
1/2W
Q1601-1605
PRE DRIVE
R1607
C1605
2.2k
R1612
100
10k
25V
1/2W
Q1604
2SC2229-OY
R1606
3.3k
C1615
5p
500V
-1
-2
Q1601
2SC5169-FG
C1608
C1604
R1605
680p
330
50V
180
C1607
25V
7p
500V
Q1605
2SA1038S-RSE-TP
2SA949-OY
R1611
R1609
R1604
R1603
100
27k
220
220
1/2W
7
8
9
R1813
C1810
3.9k
C1911
220
R1924
1/3W
10
16V
10k
16V
D1902
1SS133T-72
C1803
100p
4
3
2
1
5
6
7
8
IC1902
R1927
10k
R1925
24k
C1912
R1910
R1921
0.1
330k
20k
IC1904
C1802
R1802
2
100k
100p
+5V REGULATOR
O G
1
I
3
C1801
IC1904
PQ050ES1MXPQ
4.7
50V
R1906
Q1901
22k
LIMITTER DETECT
C1861
5p
500V
R1864
100k
1/2W
C1610
R1613
220
3.9k
16V
1/3W
C1855
100
R1857
2.2k
25V
R1862
10k
1/2W
Q1854
2SC2229-OY
R1602
C1858
C1865
100k
330
5p
C1853
25V
500V
R1856
C1601
3.3k
4.7
C1602
100p
50V
-1
-2
C1857
7p
500V
C1854
R1855
R1601
680p
1k
Q1855
2SA949-OY
Q1602
Q1853
2SA1038S-RSE-TP
R1859
R1861
R1854
100
27k
220
1/2W
55
55
10
11
12
Q1910, 1911
Q1911
LIMITTER DETECT
DTC124ESA-TP
Q1910
DTC143TSA-TP
R1909
D1903
33k
1SS133T-72
Q1912
R1922
R1904
DTC124ESA-TP
3.3k
22k
Q1912, 1913
LIMITTER DETECT
Q1913
DTC124ESA-TP
R1932
LIMITTER
10k
Q1901
(DA3300ES:UK)
R1933
2SA1038S-RSE-TP
47k
R1931
1k
R1930
10k
R1936
10
R1902
R1901
22k
22k
Q1914
DTC124ESA-TP
INVERTER
R1937
2.2k
C1860
R1863
220
3.9k
16V
1/3W
R1852
100p
100k
R1801
1k
C1852
100p
C1851
4.7
50V
R1851
Q1851
1k
2SC5169-FG
Q1851-1855
180
PRE DRIVE
Q1852
2SA1038S-RSE-TP
R1853
220
STR-DA3300ES/DG1100
Ver. 1.2
13
14
CN1908
8P
1
4/8
2
-B
3
GND
P
4
GND
5
+7V
BIAS
BOARD
6
-7V
CN1911
7
LIMITER
(Page 63)
8
PROTECT
CN1909
5P
Q
5
TEMP2
4
TEMP1
TEMPERATURE
3
GND
DETECTION
1
+7V
BOARD
CN1902
(Page 52)
CN1505
15P
1
PROTECT
2
TEMP 4/8
3
-7V
4
+7V
5
GND
6
4/8
N
7
GND
8
SBL
CONNECTOR 4
BOARD
9
GND
CN1207
10
GND
(Page 51)
11
SBR
12
GND
13
GND
14
C
15
GND
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