Schematic Diagram - Main Board (1/4) - Sony STR-DH810 Service Manual

STR-DH810

5-13. SCHEMATIC DIAGRAM - MAIN Board (1/4) -

1 2 3
MAIN BOARD (1/4)
A
B
R544
0
C548
0.1
C545
47
25V
C
D536
MAZ8056GMLS0
R547
6.8k
R549 R548
22k 22k
D
E
F
G
H
IC901
STK350-630T-E
15 14 13 12 11
I
-58.4 58.4 58.4
J
K
15
STR-DH810
• See page 54 for IC Block Diagrams.
4 5 6 7
SBR out
[SBR]
R568
D550
47k
MA2J1110GLS0
R559
1
R550 100k
L550
4.7
1.7uH
2
C554 R569
R551 D551
10 0.01 68k
MA2J1110GLS0
R564
C550
15k
0.022
Q550 Q555
2SA1514KT146S 2SA1514KT146S
R562
CURRENT DETECT CURRENT DETECT
1.5k
0 0 0 -1
-1 -58.4
C551
220p
R513
0.22
R558
R552
6.2k
4.7k
SBR +VE SBR -VE
Q553 Q554
MN2488-OPY-MK MP1620-OPY-MK
B C E B C E
1 2 3 1 2 3
1.1 58.4 0 -1 -58.4 0
C552 C561
47p 47p
R567
R553
100
100 R555 R566
82k 560
R556 0.4
2.2k
-0.6 -1
Q552
2SD2144S-V
-1
BIAS
1 0.4
Q551
2SA1175-HFE
BIAS C558
47 25V
JR531
0
IC B/D
IC901
PRE DRIVER
10 9 8 7 6 5 4 3 2 1
0.1 0.1 -57.4 -1 1.1
C560
22p
C553 C559
3p
100p
R554 R565
68k 68k
R563
R560
1k 2.2k
C555 C557
220
10
50V 10V
[SBR]
16
4
MAIN BOARD
(3/4)
(Page 28)
8 9 10 11
SBL OUT
C OUT
[SBL]
R830
47k
R822
1 1
100k
R828 R878
L828 L878
4.7
1.7uH 4.7 1.7uH
2 2
R829 C820 R816
10
0.01 68k
C829 R815
0.022 15k
Q811
Q812
2SA1514KT146S 2SA1514KT146S
R814
CURRENT DETECT CURRENT DETECT
1.5k
0 0 -0.9 0
-1 -57.2
C811
220p
R813
0.22
R811 R812
6.2k
4.7k
SBL +VE SBL -VE
Q503 Q504
MN2488-OPY-MK MP1620-OPY-MK
B C E B C E
1 2 3 1 2 3
1.1 58.4 0 -1 -58.4 0
C809
C808
47p 47p
R810
R809
100 100
R807 R808
82k
560
R806
0.4
2.2k
Q802
2SD2144S-V
BIAS
-0.6 -1
Q801
2SA1175-HFE
-1
BIAS
1 0.4
C807
47 25V
JR831
0
IC B/D
IC601
PRE DRIVER
IC601
STK350-630T-E
15 14 13 12 11 10 9
-58.4 58.4 58.4 -1 -57.4 0
C803
22p
C805
3p
R804
68k
R803
2.2k
C812
220
10V
[SBL]
17 18
26 26
12 13 14
[C]
R880
47k
R872
100k
R879 C870 R866
10 0.01 68k
R865
C879
0.022 15k
Q861 Q862
2SA1514KT146S
2SA1514KT146S
CURRENT DETECT
CURRENT DETECT R864
1.5k
0 0 -0.9 0
-0.9 -57.3
C861
220p
R863
0.22
R861 R862
6.2k
4.7k
C +VE C -VE
Q853 Q854
MN2488-OPY-MK MP1620-OPY-MK
B C E B C E
1 2 3 1 2 3
1.1 58.4 0 -1 -58.4 0
C859
C858
47p 47p
R859 R860
100
R857 R858 100
82k 560
R856 0.4
2.2k
-0.6
-1
Q852
-1
2SD2144S-V
BIAS
1 0.4
Q851
C857
2SA1175-HFE
BIAS 47 25V
JR881
0
8 7 6 5 4 3 2 1
0 0.1 0.1 -57.4 -1 1.1
C853
22p
C802 C852 C855
100p 100p 3p
R802 R852 R854
68k 68k 68k
R801 R851 R853
1k 1k 2.2k
C810 C860 C862
220
10 10
50V 50V 10V
[C]
19 20
15 16 17
1
2
3
MAIN BOARD
4
(2/4)
1
5
(Page 27)
6
7
8
MAIN BOARD
(2/4)
9
2
10 (Page 27)
11
12
13
MAIN BOARD
(2/4)
3
(Page 27)
14