Pioneer SC-LX90 Service Manual page 221

Audio/video multi-channel amplifier
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5
S
1/4
2/4
ONT
5DAC
R1751
R1773
DACS7
2.0k
1%
240
DACS
DACLK
R1753
R1775
DADT
DADT6
2.0k
1%
240
R1755
2.4k
R1756
V+5DA7
2.4k
R1776
R1754
2.0k
1%
240
R1752
R1774
2.0k
1%
240
R1739:0
R1738:0
(1/10)
C1811
R1813
22/50
AT
V+5DA8
3.0k
R1814
C1812
3.0k
22/50
AT
C1809
R1810:0
C1861
R1863
22/50
AT
V+5DA9
3.0k
R1864
C1862
3.0k
22/50
AT
C1859
R1860:0
GNDASP
5
6
V+15A
R1757
2.4k
1%
R1759
C1759
VCE1040
1.8k
220p
1%
1%
2
8
-
1
R1761
3
+
4
1.8k
1%
1%
IC1751
LT1358CS8
1%
IC1751
LT1358CS8
1%
R1762
8
+
5
1%
1.8k
1%
7
-
4
6
R1760
C1760
VCE1040
1%
1.8k
220p
R1758
1%
2.4k
1%
V-15A
C1815
V+15A
390p
CH
R1817
R1819
3.3k
3.3k
2
8
-
1
R1815
3
+
4
3.9k
IC1802
BA4560RF
IC1802
BA4560RF
R1816
8
+
5
3.9k
7
-
4
6
R1818
R1820
3.3k
3.3k
C1816
V-15A
390p
CH
C1865
V+15A
390p CH
R1867
R1869
3.3k
3.3k
2
8
-
1
R1865
3
+
4
3.9k
IC1852
BA4560RF
IC1852
BA4560RF
R1866
8
+
5
3.9k
7
-
4
6
R1868
R1870
3.3k
3.3k
C1866
V-15A
390p
CH
6
R1767
0
C1769
stby
R1769
stby
2
8
-
1
C1761
R1765
3
+
4
ACH7198
200
1%
47/25
IC1752
stby
IC1752
stby
C1762
R1766
8
+
5
ACH7198
200
47/25
1%
7
-
4
6
R1770
stby
C1770
stby
R1768
0
R1821
C1817
100
4.7/50
AT
R1822
C1818
4.7/50
AT
100
R1871
C1867
100
4.7/50
AT
R1872
C1868
4.7/50
AT
100
R1873
*
R1874
AWX8723
100k
AWX8724
0
SC-09TX
7
DAC ASSY
S
3/4
STBY
R1771
0
R1772
0
GNDA
GNDSP
1
Z3RDA
2
Z3RDA
3
GNDSP
Z3LDA
Z3LDA
4
GNDSP
5
Z2RDA
6
Z2RDA
7
GNDSP
Z2LDA
8
Z2LDA
GNDSP
9
EXRDA
10
EXRDA
11
GNDSP
EXLDA
12
EXLDA
GNDSP
13
SRBDA
14
SRBDA
15
GNDSP
SLBDA
SLBDA
16
GNDSP
17
SBRDA
18
SBRDA
19
GNDSP
SBLDA
20
SBLDA
CN1102
DACOUT
CKS1764
GNDASP
GNDSP
1
SW2DA
SW2DA
2
GNDSP
3
SW1DA
SW1DA
4
GNDSP
5
SRADA
SRADA
6
GNDSP
7
SLADA
8
SLADA
GNDSP
9
FRDA
FRDA
10
GNDSP
11
12
GNDSP
GNDSP
13
FLDA
FLDA
14
GNDSP
15
C2DA
C2DA
16
GNDSP
17
C1DA
C1DA
18
GNDSP
19
20
GNDSP
CN1103
V+15A
CKS1764
V+15A
1
V+15A
2
C1077
GNDA
3
0.047/25
YB
GNDA
C1078
4
YB
0.047/25
V-15A
5
V-15A
6
CN1101
CKS1750
V-15A
GNDA
7
8
A
FLDA
FRDA
C1DA
B
S
1/4
C2DA
SLADA
SRADA
SBLDA
SBRDA
SW1DA
S
2/4
SW2DA
SLBDA
SRBDA
C
D
E
F
S
3/4
75
8

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