Dac Assy (3/4) - Pioneer SC-LX90 Service Manual

Audio/video multi-channel amplifier
Table of Contents

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5
R1451
R1473
CS4
2.0k
1%
240
CS
CLK
R1453
R1475
DT
DT4
2.0k
1% 240 1%
R1455
DT3
2.4k
1%
D8
R1456
DA4
2.4k
1%
R1454
R1476
2.0k
1%
240
R1474
R1452
1% 240 1%
2.0k
39:0
38:0
0)
R1551
R1573
CS5
2.0k
1%
240 1%
CS
CLK
R1553
R1575
DT
DT5
2.0k
1% 240 1%
R1555
DT4
2.4k
1%
SD4
R1556
DA5
2.4k
1%
R1576
R1554
2.0k
1% 240 1%
R1574
R1552
1% 240 1%
2.0k
39:0
38:0
0)
R1651
R1673
CS6
2.0k
1%
240
CS
CLK
R1653
R1675
DT
DT6
2.0k
1%
240
R1655
DT5
2.4k
1%
R1656
DA6
2.4k
1%
R1676
R1654
2.0k
1%
240
R1674
R1652
1% 240 1%
2.0k
39:0
38:0
0)
GNDASP
5
6
V+15A
R1457
2.4k
1%
R1459
C1459
VCE1040
1%
1.8k
220p
1%
2
8
-
1
R1461
3
+
4
1.8k
1%
IC1451
LT1358CS8
IC1451
LT1358CS8
R1462
8
+
5
1%
1.8k
1%
7
-
4
6
R1460
C1460
VCE1040
1.8k
220p
R1458
1%
2.4k
1%
V-15A
V+15A
R1557
2.4k
1%
R1559
C1559
VCE1040
1.8k
220p
1%
2
8
-
1
R1561
3
+
4
1.8k
1%
IC1551
LT1358CS8
IC1551
LT1358CS8
R1562
8
+
5
1.8k
1%
7
-
4
6
R1560
C1560
VCE1040
1.8k
220p
R1558
1%
2.4k
1%
V-15A
V+15A
R1657
2.4k
1%
R1659
C1659
VCE1040
1%
1.8k
220p
1%
2
8
-
1
R1661
3
+
4
1%
1.8k
1%
IC1651
LT1358CS8
IC1651
LT1358CS8
R1662
8
+
5
1%
1.8k
1%
7
-
4
6
R1660
C1660
VCE1040
1.8k
220p
R1658
1%
2.4k
1%
V-15A
6
R1467
0
C1469
stby
R1469
stby
2
8
-
1
C1461
R1465
3
+
4
ACH7198
200
1%
47/25
IC1452
stby
IC1452
stby
C1462
R1466
8
+
5
ACH7198
200
47/25
1%
7
-
4
6
R1470
stby
C1470
stby
R1468
0
R1567
0
C1569
stby
R1569
stby
2
8
-
1
C1561
R1565
3
+
4
ACH7198
200
1%
47/25
IC1552
stby
IC1552
stby
C1562
R1566
8
+
5
ACH7198
200
47/25
1%
7
-
4
6
R1570
stby
C1570
stby
R1568
0
R1667
0
C1669
stby
R1669
stby
2
8
-
1
C1661
R1665
3
+
4
ACH7198
200
1%
47/25
IC1652
stby
IC1652
stby
C1662
R1666
8
+
5
ACH7198
200
47/25
1%
7
-
4
6
R1670
stby
C1670
stby
R1668
0
SC-09TX
7
DAC ASSY
S
2/4
R1471
SBLDA
0
R1472
SBRDA
0
R1571
SW1DA
0
R1572
SW2DA
0
R1671
SLBDA
0
R1672
SRBDA
0
DACOUT
GNDA
7
8
A
B
SBLDA
SBRDA
SW1DA
S
3/4
SW2DA
SLBDA
C
SRBDA
D
E
F
S
2/4
73
8

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