Onkyo TX-RZ820 Service Manual page 43

1
PART-9 DAC FILTER (VLSC) SECTION
<- REAR SIDE
BADG-2032(1/1)
D
R1913 R1914
NM
R1912
NM
*P1921
NPJ-1PDO554 C1911
104Z
3
D1912 NM
COAX D1911 NM
2
R1921
75
C1921
NM
R1923
NM
R1924
82k
C
R1926
Q1922
47
1
VOUT VOUT
3
VCC VCC
OPT1
2
GND GND
Q1923
R1927
1
VOUT VOUT
47
3
OPT2 VCC VCC
2
GND GND
DESTINATION LIST
(COAX)
B
Z8
SILVER
P1921
25045772
DG2032
Z8 [A]=D/J/M,[B]=MMB
A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
P1501A
IMSA-9142B-22A
<- REAR SIDE
1
2
P8003A
IMSA-9850S-30
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C1507 C1508 C1505
681J 681J 681J
C1527 C1528 C1525
122J 122J 122J
R1587 R1588
2.2k 2.2k
C1547 C1548
681J 681J
R1667 C1587 C1588 R1668 R1665
2.2k 222J 222J 2.2k 2.2k
R1707 R1708
4.7k 4.7k
R1747 R1748 R1745
1.5k 1.5k 1.5k
R1767 R1768
6.8k 6.8k
C1647 C1648
222J 222J
to AF1979 (PART-4)
2
3 4
to PRC2409 (PART-10)
* ALL OPAMP are NJM4580CG(22242922R2)
Q1501/1503/1505/1507/1521-1528/1541-1548
* VLSC2 and Filter ciucuit value are same as CR-N765 at ES
C1506 C1504
681J 681J
C1526 C1524
122J 122J
R1585 R1586 R1584 R1583
2.2k 2.2k 2.2k 2.2k
C1545 C1546 C1544 C1543
681J 681J 681J 681J
C1585 C1586 R1666 R1664 C1584 C1583
222J 222J 2.2k 2.2k 222J 222J
R1705 R1706 R1704 R1703
4.7k 4.7k 4.7k 4.7k
R1746 R1744
1.5k 1.5k
R1765 R1766 R1764 R1763
6.8k 6.8k 6.8k 6.8k
C1645 C1646 C1644 C1643
222J 222J 222J 222J
3 4
5
Schematic Diagram
P8002A
IMSA-9850S-30
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
C1503 C1501 C1502
681J 681J 681J
C1523 C1521 C1522
122J 122J 122J
R1581 R1582
2.2k 2.2k
C1541 C1542
681J 681J
R1663 R1661 C1581 C1582 R1662
2.2k 2.2k 222J 222J 2.2k
R1701 R1702
4.7k 4.7k
R1743 R1741 R1742
1.5k 1.5k 1.5k
R1761 R1762
6.8k 6.8k
C1641 C1642
222J 222J
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
P1502A
IMSA-9142B-22A
5
6
11 10 9 8 7 6 5 4 3 2 1
D
C
B
+3.3VTU
TULIN
TURIN
GNDTU
TUSDA
TUSCL
TP1501
A
TX-RZ820
6