Printed Wiring Board - Bias Board - Sony STR-DA3200ES Service Manual

STR-DA3200ES/DG1000
6-43. PRINTED WIRING BOARD – BIAS Board –
1 2 3
BIAS BOARD
A
E
B
R1828
E E E
CNP1802
R1822
1
1 CNP1801 7 1 2
R1824
(FOR ADJUSTMENT)
Q1821
C
B C E
POWER AMP
AW AX
BOARD (CHASSIS)
CN1751
(Page 72)
(Page 72)
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location
D1521 A-6 D1902 B-11 Q1572
D1522 A-7 D1903 B-11 Q1573
D1571 A-7 D1904 B-11 Q1574
D1572 A-8 D1905 A-12 Q1621
D1621 A-4 Q1622
D1906 C-12
D1622 A-5 Q1623
D1721 A-9 IC1901 A-13 Q1624
D1722 A-10 Q1721
IC1903 C-11
D1771 B-13 IC1905 C-11 Q1722
D1772 B-13 Q1723
D1821 B-2 Q1521 C-8 Q1724
D1822 A-2 Q1522 B-7 Q1771
D1871 A-3 Q1772
Q1523 B-6
D1872 A-4 Q1524 B-7 Q1773
D1901 B-11 Q1571 C-10 Q1774
STR-DA3200ES/DG1000
• See page 40 for Circuit Boards Location.
4 5 6
E E
E E E E
CNP1852 CNP1602
CNP1851 7 1 2 1 7 1 2 1 CNP1501
CNP1601
R1622
(FOR ADJUSTMENT)
R1624 R1524
(FOR ADJUSTMENT) R1522
Q1871 Q1621
B C E B C E
POWER AMP
AY
POWER AMP
BOARD
BOARD
CN1701
CN1551
(Page 72)
Ref. No. Location
B-8 Q1821 C-2
B-8 Q1822 B-2
B-9 Q1823 B-2
C-6 Q1824 B-3
B-5
Q1871 C-4
B-5 Q1872 B-4
B-6 Q1873 B-3
C-12
Q1874 B-4
B-10 Q1904 B-11
B-9 Q1905 B-11
B-10 Q1906 B-12
C-14 Q1907 B-12
B-14
Q1908 B-12
B-14
B-13
: Uses unleaded solder.
7 8 9
E E
E E E E
CNP1552
CNP1502
1
7 1 2 1 CNP1551 7 1 2 CNP1701
R1724
(FOR ADJUSTMENT) (FOR ADJUSTMENT)
RV1551
R1574 R1722
R1572
C1571
Q1521
B C E
POWER AMP POWER AMP POWER AMP
AZ BC BB
BOARD BOARD
CN1501 CN1601
(Page 72) (Page 72) (Page 72)
74 74
10 11 12
(Page 70)
A CLASS BOARD
AU
CNP1901
10 1
E
CN1902
IC1901
E
R1916
E
Q1905 D1903
E
E
E R1912
CNP1702 R1911
E
D1904
7 1 2
E
C1905
RV1701 (FOR ADJUSTMENT)
JW1202
JW1205
Q1571 Q1721
IC1905
B C E IC1903 B C E
1 3 1 3
BOARD
CN1851
13 14 15
R1919
R1918
R1785
R1781
R1783
D1772
(Page 72)
E
E
R1782
POWER AMP
BA
R1778 R1777
BOARD
D1771
CN1801
1 7 (FOR ADJUSTMENT)
CNP1751
CNP1752
1 2
Q1771
11
B C E
EB1901 (13)
1-869-758-
(CHASSIS)