Schematic Diagram - Power Amplifier Board - Sony STR-DA5300ES Service Manual

6-47. SCHEMATIC DIAGRAM – POWER AMPLIFIER Board –
1 2 3
AA
A
POWER AMPLIFIER BOARD
B
R1766
0.22 x2
5W
C
Q1507, 1508, 1557, 1558,
Q1607, 1608, 1707, 1708,
Q1757, 1758, 1807, 1808,
Q1857, 1858
BOOSTER
D
L1751
JH1008
E
Q1757
2SD2560
F
C1762
22p
500V
R1765
100
G
H
I
Z
PROTECTOR (SURR)
BOARD
CN1701
(Page 83)
STR-DA5300ES
4 5 6 7
SP-TM BOARD
CX4101
(Page 87)
JH1001
R1716
0.22 x2
5W Q1708
2SB1647
Q1758
2SB1647
R1768
10
C1713
22p
C1763
500V
22p
500V
R1717
100
R1767
100
JH1010
JH1009
C1562
22p
C1712
500V
22p
500V
Q1707
Q1557
2SD2560
2SD2560
R1718
L1701
10
R1715
100
L1551
R1565
100
R1568
10
R Y
A-CLASS AMP PROTECTOR (F-C)
BOARD
BOARD (1/2)
CN1905 CN1571
(Page 76) (Page 81)
8 9 10 11
JH1002 JH1004
R1566 R1516
0.22 x2
0.22 x2
5W
5W
Q1508
2SB1647
Q1558
2SB1647
C1563
22p
500V
C1513
22p
R1517 500V
100
R1567
100
JH1011 JH1012
L1501
Q1507
C1612 Q1607
2SD2560
22p 2SD2560
500V
R1518
10
C1512
22p
500V
R1515 R1615
100
100
W
PROTECTOR (F-C)
BOARD
CN1521
(Page 81)
79 79
12 13 14 15
JH1005
JH1006
R1616
R1866
Q1608
0.22 x2 0.22 x2
2SB1647
5W 5W
2SB1647
R1868
L1851
10
R1618 R1867
R1617 C1613
L1601
10 22p 100
100
500V
JH1013
C1812
22p R1815
500V
Q1857
2SD2560
C1862
22p
500V
R1865
100
V
PROTECTOR (SB)
BOARD
CN1871
(Page 83)
STR-DA5300ES
16 17 18
JH1007
R1816
0.22 x2
5W
Q1808
2SB1647
Q1858
C1813
22p
500V
C1863
22p
500V
R1818
10
L1801
Q1807
2SD2560
100
R1817
100
C1903
100
100V
C1904
100
100V
S X
A-CLASS AMP MAIN BOARD
BOARD (2/2) (3/4)
CN1906 CN1405
(Page 77) (Page 50)