Schematic Diagram - Main Section (2/2) - Sony STR-DG810 Service Manual
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Also See for STR-DG810:
- Operating instructions manual (96 pages) ,
- Specifications (2 pages) ,
- Quick setup manual (2 pages)
Table of Contents
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5-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 46 for IC Block Diagrams.
1
2
3
M A I N B O A R D ( 2 / 2 )
A
I C 7 0 1
P R E D R I V E R
IC B/D
1
2
3
B
R 7 4 4
2 2 k
2 %
C 7 5 5
3 3 p
C 7 0 1
R 7 0 1
C 7 0 7
R 7 0 2
6 8 k
4 . 7
5 0 V
1 k
1 0 0 p
C 7 5 7
R 7 5 2
C 7 5 1
R 7 5 1
1 0 0 p
6 8 k
4 . 7
5 0 V
1 k
C
I C 6 0 1
P R E D R I V E R
IC B/D
1
2
3
D
R 7 4 3
C 6 0 5
2 2 k
3 3 p
2 %
A 3
A 4
A 5
C 6 5 1
R 6 5 1
C 6 5 7
R 6 5 2
A 6
4 . 7
5 0 V
1 k
6 8 k
1 0 0 p
A 7
C 6 0 1
C 6 0 7
R 6 0 2
A 8
R 6 0 1
4 . 7
5 0 V
1 k
1 0 0 p
6 8 k
E
I C 5 0 1
P R E D R I V E R
IC B/D
T E
L
1 3 9 4 2 2 9 6 5 1 3
1
2
3
F
R 7 4 1
C 5 6 5
2 2 k
3 3 p
2 %
R 5 6 1
C 5 6 1
C 5 6 7
4 . 7
5 0 V
1 k
1 0 0 p
A 9
G
C 5 0 1
R 5 0 1
C 5 0 7
4 . 7
5 0 V
1 k
1 0 0 p
D 6 9 1
1 S S 3 5 5 W T E - 1 7
6 . 5
Q 6 9 2
M A I N
D TA 1 2 4 E S A - T P
B - S W I T C H
H
1
B O A R D
( 1 / 2 )
- 5 . 6
(Page
6 . 4
24)
D 6 9 0
U D Z S T E - 1 7 3 0 B
R 6 9 1
R 6 9 8
1 0 0
- 4 7 . 2
1 0 k
2 W
- 4 6 . 7
Q 6 9 1
I
2 S C 1 8 1 5 G R - T P E 2
B - S W I T C H
R 6 9 2
R 6 9 9
- 4 7 . 4
3 3 0
4 7 0 k
2 W
A 1 0
A 1 1
D 8 0 2
D 5 S B A 2 0 - 4 0 0 3
R E C T
C 8 0 3
J
0 . 0 1 F
7 1 V
C 8 0 4
0 . 0 1 F
7 1 V
A 1 2
w w w
A 1 3
K
A 1 4
A 1 5
A 1 6
A 1 7
STR-DG810
4
5
6
R 7 1 0
I C 7 0 1
1 . 1
µ P C 2 5 8 1 V - S
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
C 7 1 0
4 7
2 5 V
C 7 5 6
C 7 0 6
C 7 0 5
1 0 0 p
1 0 0 p
3 3 p
5 0 0 V
5 0 0 V
C 7 0 4
3 p
5 0 0 V
R 7 0 4
6 8 k
2 %
C 7 5 4
3 p
5 0 0 V
R 7 5 4
6 8 k
2 %
- 1 . 1
R 7 5 3
R 7 0 3
2 . 2 k
2 . 2 k
2 %
2 %
C 7 5 3
C 7 0 3
1 0 0
1 0 0
C 6 6 0
1 0 V
1 0 V
4 7
2 5 V
I C 6 0 1
µ P C 2 5 8 1 V - S
R 6 6 0
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 . 1
C 6 0 6
C 6 5 6
C 6 5 5
5 0 0 V
1 0 0 p
1 0 0 p
3 3 p
R 6 1 0
5 0 0 V
1 . 1
C 6 5 4
3 p
5 0 0 V
R 6 5 4
6 8 k
2 %
C 6 0 4
3 p
5 0 0 V
R 6 0 4
6 8 k
2 %
C 6 1 0
4 7
R 6 5 3
R 6 0 3
2 5 V
2 . 2 k
2 . 2 k
2 %
2 %
C 6 5 3
C 6 0 3
1 0 0
1 0 0
1 0 V
1 0 V
I C 5 0 1
µ P C 2 5 8 1 V - S
- 1 . 1
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
C 7 6 0
4 7
2 5 V
C 5 6 6
C 5 0 6
C 5 0 5
1 0 0 p
1 0 0 p
3 3 p
5 0 0 V
5 0 0 V
C 5 0 4
3 p
5 0 0 V
R 5 0 5
6 8 k
2 %
C 5 5 4
3 p
5 0 0 V
1 . 1
R 5 5 4
6 8 k
2 %
C 7 3 3
C 7 3 2
1 0
1 0 0 V
1 0
1 0 0 V
R 5 5 3
R 5 0 3
2 . 2 k
2 . 2 k
2 %
2 %
C 5 5 3
C 5 0 3
1 0 0
1 0 V
1 0 0
1 0 V
1 . 1
C 5 1 0
4 7
2 5 V
R 6 9 6
R 6 9 5
1 0 k
4 7 k
R 7 3 2
C 6 9 1
0 . 1
1
R 6 9 0
2 2 0 k
8
7
6
5
I C 6 9 1
I C 6 9 1
N J M 4 5 6 5 M ( T E 2 )
O V E R L O A D
D E T E C T A M P
1
2
3
4
R 6 9 3
1 . 1
1 0 k
R 6 9 4
1 0 k
C 5 7 0
4 7
2 5 V
C 8 0 5
0 . 2 2
1 0 0 V
C 8 0 6
0 . 2 2
1 0 0 V
x
a o
W P 1 0 2
W P 1 0 1
y
.
i
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9
1 0
Q 5 0 1 - 5 0 4 , 5 3 3 , 5 3 4 , 5 7 1 , 5 7 2 ,
Q 5 0 5 , 5 0 6 , 5 3 5 , 5 3 6 , 6 0 5 , 6 0 6 ,
Q 5 4 0 , 5 8 0 , 6 4 0 , 6 8 0 , 7 4 0 , 7 5 0
Q 6 5 5 , 6 5 6 , 7 0 5 , 7 0 6 , 7 5 5 , 7 5 6
Q 6 0 1 - 6 0 4 , 6 5 1 - 6 5 4 , 7 0 1 - 7 0 4 , 7 5 1 - 7 5 4
P O W E R A M P
C U R R E N T D E T E C T
Q 7 4 0
C 7 1 7
R 7 1 4
3 3
2 S C 3 0 5 2 E F - T 1 - L E F
4 7 p
5 0 0 V
R 7 1 9
C 7 2 0
R 7 4 0
1 . 1
0
Q 7 0 5
4 . 7 k
2 2 0 p
2 2 k
B
2 S A 1 1 6 3 L - T E 8 5 L
2 %
R 7 1 1
4 7
D 7 4 0
C 7 4 2
2 . 2 k
8 2 k
C
0
1 S S 3 5 5 W T E - 1 7
0 . 0 1
R 7 1 6 0 . 2 2 X 2 5 W
0
R 7 4 8
0
R 7 2 2
R 7 4 7
R 7 2 4
1 5 k
R 7 2 1
1 5 k
1 5 k
E
1 . 5 k
0 . 5
6 . 2 k
D 7 0 5
J L 0 0 1
1 S S 3 5 5 W T E - 1 7
- 0 . 6
C 7 1 1
0
0 . 0 2 2
R 7 1 3
0
R 7 1 5
5 6 0
0
3 3
E
Q 7 0 6
R 7 2 3
2 S A 1 1 6 3 L - T E 8 5 L
4 7 k
- 1 . 1
- 4 7 . 4
- 3 6 . 8
R 7 2 5
C
R 7 1 7
6 8 k
1 0
- 1 . 1
B
C 7 1 6
4 7 p
5 0 0 V
C 6 6 9
4 7 p
5 0 0 V
- 1 . 1
R 6 3 8
B
R 6 6 7
6 8 k
1 0
R 6 6 5
R 6 7 3
3 3
C
- 3 6 . 8
Q 6 4 0
- 4 7 . 4
Q 6 5 5
4 7 k
2 S A 1 1 6 3 L - T E 8 5 L
C 6 6 1
R 6 4 0
2 S C 3 0 5 2 E F - T 1 - L E F
0 . 0 2 2
2 2 k
E
0
0
R 6 6 3
0
C 6 4 2
5 6 0
D 6 4 0
0 . 0 1
R 6 4 8
1 S S 3 5 5 W T E - 1 7
0
1 5 k
C 6 4 0
R 6 7 7
- 0 . 6
1 0
1 5 k
5 0 V
R 6 7 4
D 6 6 5
1 5 k
1 S S 3 5 5 W T E - 1 7
0 . 5
0
R 6 7 1
6 . 2 k
E
R 6 6 8
4 . 7
Q 6 5 6
0
R 6 6 6 0 . 2 2 X 2 5 W
2 S A 1 1 6 3 L - T E 8 5 L
4 7
R 6 6 1
8 2 k
C
0
2 . 2 k
R 6 6 9
L 6 5 1
1 . 1
B
4 . 7 k
C 6 7 0
C 6 6 6
2 %
2 2 0 p
0
R 6 6 4
3 3
4 7 p
5 0 0 V
R 6 2 3
4 7 k
Q 6 8 0
C 6 2 1
R 6 1 4
3 3
2 S C 3 0 5 2 E F - T 1 - L E F
4 7 p
5 0 0 V
1 . 1
R 6 2 0
C 6 1 9
0
R 6 8 0
4 . 7 k
2 2 0 p
2 2 k
B
0
2 %
R 6 1 1
4 7
2 . 2 k
8 2 k
C 6 8 1
D 6 8 0
C
Q 6 0 5
0
0 . 0 1
1 S S 3 5 5 W T E - 1 7
R 6 1 6 0 . 2 2 X 2 5 W
2 S A 1 1 6 3 L - T E 8 5 L
R 6 8 1
0
R 6 2 4
R 6 5 7
0
R 6 2 2
1 5 k
1 5 k
R 6 2 1
1 5 k
E
6 . 2 k
0 . 5
D 6 0 5
1 S S 3 5 5 W T E - 1 7
L 6 0 1
- 0 . 6
0
C 6 1 1
0
0 . 0 2 2
R 6 1 8
R 6 1 3
4 . 7
0
Q 6 0 6
5 6 0
R 6 1 7
E
2 S A 1 1 6 3 L - T E 8 5 L
1 0
- 3 6 . 8
- 1 . 1
- 4 7 . 4
R 6 1 5
R 6 2 5
3 3
C
6 8 k
- 1 . 1
B
C 6 2 0
Q
Q
4 7 p
5 0 0 V
3
7
6
L 7 5 1
C 7 6 7
4 7 p
5 0 0 V
- 1 . 1
B
R 7 6 8
4 . 7
R 7 7 5
6 8 k
C
Q 7 5 0
- 4 7 . 4
- 3 6 . 8
Q 7 5 5
C 7 5 2
R 7 5 0
2 S C 3 0 5 2 E F - T 1 - L E F
R 7 6 5
0 . 0 1
2 S A 1 1 6 3 L - T E 8 5 L
2 2 k
E
0
R 7 6 3
3 3
0
5 6 0
0
D 7 5 0
1 S S 3 5 5 W T E - 1 7
0
R 7 5 8
R 7 5 7
- 0 . 6
1 5 k
1 5 k
R 7 7 8
0 . 5
1 5 k
R 7 7 1
0
R 7 7 2
6 . 2 k
E
1 . 5 k
D 7 6 5
Q 7 5 6
0
C 7 6 1
R 7 6 6 0 . 2 2 X 2 5 W
1 S S 3 5 5 W T E - 1 7
2 S A 1 1 6 3 L - T E 8 5 L
4 7
0 . 0 2 2
C
0
R 7 6 0
R 7 6 1
2 . 2 k
8 2 k
R 7 6 4
3 3
R 7 6 7
R 7 7 3
1 . 1
R 7 6 9
B
4 . 7 k
C 7 7 0
1 0
4 7 k
C 7 6 6
2 2 0 p
0
2 %
4 7 p
5 0 0 V
C 5 1 7
4 7 p
5 0 0 V
1 . 1
B
R 5 1 1
R 5 2 0
C 5 1 9
0
R 5 1 4
3 3
R 5 1 0
4 . 7 k
2 2 0 p
R 5 1 7
R 5 1 8
4 7
2 . 2 k
8 2 k
L 5 0 1
2 %
1 0
4 . 7
C
R 5 1 6 0 . 2 2 X 2 5 W
C 5 1 1
Q 5 4 0
0
0
0 . 0 2 2
C 5 4 1
2 S C 3 0 5 2 E F - T 1 - L E F
E
Q 5 0 5
R 5 4 0
0
2 2 k
0 . 0 1
0 . 5
2 S A 1 1 6 3 L - T E 8 5 L
D 5 4 0
R 5 2 1
R 5 2 2
R 5 5 7 1 S S 3 5 5 W T E - 1 7
- 0 . 6
6 . 2 k
1 . 5 k
R 5 7 3
R 5 4 6
4 7 k
1 5 k
1 5 k
R 5 1 3
5 6 0
R 5 2 4
D 5 0 5
1 5 k
1 S S 3 5 5 W T E - 1 7
0
- 1 . 1
R 5 1 5
E
0
3 3
- 4 7 . 4
0
C
Q 5 0 6
R 5 2 5
- 1 . 1
2 S A 1 1 6 3 L - T E 8 5 L
6 8 k
B
- 3 6 . 8
C 5 1 6
4 7 p
5 0 0 V
R 5 2 3
C 5 7 7
4 7 k
4 7 p
5 0 0 V
1 . 1
R 5 3 0
C 5 3 9
0
R 5 3 7
R 5 6 8
4 . 7
4 . 7 k
2 2 0 p
1 0
B
2 %
R 5 7 0
R 5 7 1
R 5 7 4
C 5 3 1
Q 5 8 0
4 7
L 5 5 1
2 . 2 k
8 2 k
3 3
0 . 0 2 2
R 5 8 0
2 S C 3 0 5 2 E F - T 1 - L E F
2 %
C
0
Q 5 3 5
R 5 2 6 0 . 2 2 X 2 5 W
2 S A 1 1 6 3 L - T E 8 5 L
2 2 k
0
0
R 5 3 1
E
6 . 2 k
C 5 8 1
D 5 8 0
0 . 5
R 5 7 2
0 . 0 1
1 S S 3 5 5 W T E - 1 7
R 5 8 8
1 . 5 k
R 5 8 7
1 5 k
1 5 k
- 0 . 6
R 5 3 4
D 5 8 5
1 5 k
1 S S 3 5 5 W T E - 1 7
0
R 5 7 6
5 6 0
0
0
R 5 7 5
3 3
E
Q 5 3 6
2 S A 1 1 6 3 L - T E 8 5 L
- 1 . 1
C 5 7 6
C
- 3 6 . 8
R 5 3 5
4 7 p
5 0 0 V
- 4 7 . 4
6 8 k
B
- 1 . 1
u 1 6 3
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2
4
8
9
9
1 1
1 2
1 3
O V E R L O A D D E T E C T
R 7 4 5
4 . 7 k
6 . 5
R 7 9 2
6 8 0
1 W
R Y 7 9 1
R 7 9 4
6 8 0
1 W
0
R 7 4 6
4 7 k
C N 7 9 2
4 P
5 5
C 7 4 0
1 0
5 0 V
R 7 9 3
8 2
D 7 9 1
1 S S 3 5 5 W T E - 1 7
0 . 2
R 7 9 1
L 7 0 1
2 . 2 k
6 2
Q 7 9 0
0 . 8
2 S C 3 0 5 2 E F - T 1 - L E F
R 7 1 8
R E L AY D R I V E R
4 . 7
R Y 7 0 1
R 7 3 4
8 2
6 . 5
R 6 7 5
4 . 7 k
D 7 1 0
0 . 2
1 S S 3 5 5 W T E - 1 7
R 7 3 1
R 6 7 6
2 . 2 k
4 7 k
0 . 7
6 6
Q 7 1 0
2 S C 3 0 5 2 E F - T 1 - L E F
R E L AY D R I V E R
R Y 6 0 1
R 6 3 4
8 2
R 6 5 5
4 . 7 k
6 . 5
D 6 1 0
1 S S 3 5 5 W T E - 1 7
R 6 5 6
4 7 k
0 . 2
R 6 3 1
1 k
0 . 7
Q 6 1 0
6 8
2 S C 3 0 5 2 E F - T 1 - L E F
R E L AY D R I V E R
C 6 8 0
1 0
5 0 V
R Y 7 1 0
R 7 3 8
8 2
D 7 0 1
1 S S 3 5 5 W T E - 1 7
0
Q 6 1 1
0
6 4
2 S C 3 0 5 2 E F - T 1 - L E F
3
1
5
1
5
0
8
9
R E L AY D R I V E R
R 6 3 2
2 . 2 k
R 7 5 5
4 . 7 k
6 . 5
R 7 5 6
4 7 k
C 7 5 0
1 0
5 0 V
R Y 6 1 0
R 6 3 5
8 2
D 6 1 1
1 S S 3 5 5 W T E - 1 7
0 . 2
R 5 5 5
Q 6 1 2
0 . 7
6 8
4 . 7 k
2 S C 3 0 5 2 E F - T 1 - L E F
6 . 5
R E L AY D R I V E R
R 6 3 3
1 k
0
R 5 5 6
4 7 k
C 5 4 0
1 0
Q 7 9 5
Q 7 9 3
5 0 V
2 S A 1 1 6 3 L - T E 8 5 L
2 S C 3 0 5 2 E F - T 1 - L E F
- 4 0
3 . 3
0
0
C 7 9 1
R 7 9 0
2 2 0
1 0 0 k
1 0 V
Q 7 2 2 , 7 2 3 , 7 2 5 , 7 9 3 , 7 9 5
C 7 2 1
R 7 7 0
P R O T E C T O R
1 0 0 k
2 2 0
1 0 V
0
Q 7 2 3
0
2 S C 3 0 5 2 E F - T 1 - L E F
6 1
- 4 0
Q 7 2 5
3 . 3
2 S A 1 1 6 3 L - T E 8 5 L
D 7 3 2
R 5 8 5
R 7 8 0
4 . 7 k
1 0 k
1 S S 3 5 5 W T E - 1 7
6 . 5
R 7 3 5
D 7 2 2
6 . 8 k
0
R 5 8 6
1 S S 3 5 5 W T E - 1 7
Q 7 2 2
3 . 2
4 7 k
2 S C 3 0 5 2 E F - T 1 - L E F
- 4 0 . 7
C 5 8 0
D 7 2 1
C 7 2 2
R 7 3 6
R 7 3 7
1 0
1 0
1 S S 3 5 5 W T E - 1 7
1 k
5 0 V
3 9 k
5 0 V
- 4 6 . 5
R Y 8 0 1
R 8 3 0
8 2
R 8 2 4
D 8 1 8
2 . 2 k
1 S S 3 5 5 W T E - 1 7
6 9
Q 8 0 9
2 S C 3 0 5 2 E F - T 1 - L E F
R E L AY D R I V E R
m
c o
.
STR-DG810
2
8
9
9
1 4
1 5
1 6
H E A D P H O N E B O A R D
C N P 7 9 0
5 P
C L 0 7 1
H P _ D E T E C T
1
1
H P _ D E T E C T
N C
2
J 7 9 0
C L 0 7 2
P H O N E S
3
R - C H
R - C H
3
C L 0 7 3
4
G N D
G N D
4
C L 0 7 4
5
L - C H
L - C H
5
T P 7 9 0
1
L E A D T O C H A S S I S
C 7 9 1
0 . 1
T B 0 0 1
T B 0 0 1
8 P
S P E A K E R S
I M P E D A N C E U S E 8 - 1 6 Ω
R ( + )
L ( + )
+
R ( - )
L ( - )
F R O N T A
-
S R ( + )
S L ( + )
+
S R ( - )
S L ( - )
S U R R O U N D
-
T M 6 0 2
T M 6 0 2
S P E A K E R S
4 P
I M P E D A N C E U S E 8 - 1 6 Ω
L ( + )
+
L
-
L ( - )
F R O N T B
+
R ( + )
R
R ( - )
-
2
4
9
8
2
9
9
T M 6 0 3
T M 6 0 3
S P E A K E R S
4 P
I M P E D A N C E U S E 8 - 1 6 Ω
+
+
C E N T E R
-
-
+
+
S U R R O U N D
-
B A C K
-
C N P 8 0 1
5 P
R 1 ( S I D E 1 )
T 9 0 1
R 2 ( S I D E 2 )
P O W E R
J
G N D
T R A N S F O R M E R
( M A I N )
R 2 ( S I D E 2 )
(Page 44)
R 1 ( S I D E 1 )
C N P 9 1 4
9 P
6 1
1
P R O T E C T O R
6 6
3
F R O N T A R Y
6 8
4
C / S B / R E A R _ R Y
5 5
D I G I TA L
5
H P _ C T R L
6 2
B O A R D
C
6
H P _ R Y
( 5 / 5 )
C N P 5 0 3
7
W O O F E R _ R Y
6 4
(Page 32)
8
F R O N T _ B _ R Y
6 9
9
B R I D G E A B L E _ R Y
1 0
S U B _ T
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