Printed Wiring Board - Power Section; Schematic Diagram - Power Section - Sony STR-DG810 Service Manual

STR-DG810
Q Q
3 7 6 3 1 5 1 5 0
5-30. PRINTED WIRING BOARD — POWER SECTION —
• Refer to page 14 for Circuit Boards Location.
1 2 3
A
STANDBY BOARD
CL902 CL901
B
F902
C
F901
D
RY901
T E
L 1 3 9 4 2 2 9 6 5 1 3
R901
E
C922
T903
POWER
TRANSFORMER
(SUB)
G901
F
JW909
G
R920
E B
JW920
Q922
H
• Semiconductor Location
Ref. No. Location Ref. No. Location
w w w
D901 D-1 D922 E-5
D910 G-3 D923 E-5
D911 F-2 D924 G-3
D912 G-2
Q901 G-2
D913 F-2
D914 F-2 Q921 F-4
D915 G-3 Q922 G-1
D920 E-5 Q923 G-3
D921 E-5
STR-DG810
: Uses unleaded solder.
4 5 6
(Page 23)
MAIN BOARD
CNP801
J
J911
AC OUTLET SWITCHED 120W/1A MAX
AC 120V 60Hz
T901
POWER
TRANSFORMER
(MAIN)
CNP902
2
1 1
JW913
CNP902
CNP901
1 3 1 3
JW912
CNP901
AC IN ~
R922
C924
C913
C914
B E
Q921
JW917 (Page 45)
DCDC BOARD
CN4001
V
3 1
C954
CNP804
3 1
3 1 CNP805
CNP805
JW915
1 6
JW904 1
JW901
CNP802
CNP903
5
1
1-872-434-
MAIN BOARD
CN915
5 1
CNP903
(Page 23)
P
DIGITAL BOARD
CNP500
(Page 27)
x a o
y
. i
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5-31. SCHEMATIC DIAGRAM — POWER SECTION —
7
1
(Page 23)
A
MAIN BOARD
CNP802
K
B
C
2
S TA N D B Y B O A R D
D
C N P 8 0 2
6 P
Q Q S U B - T
3 7 6
+ 1 5 V
M A I N
R 2 G N D
B O A R D I
( 1 / 2 )
S T B Y G N D
C N 9 1 5
- 1 5 V
(Page 24)
R 2 R E T U R N G N D
E
C N P 9 0 3
5 P
+ 1 5 V 1
D I G I TA L S T O P
2
B O A R D
P
S T B Y G N D
3
( 4 / 5 )
C N P 5 0 0 + 5 . 6 V ( S T B Y ) 4
(Page 31)
P W _ R Y 5
F
3 1
CNP804
6
CNP802
G
I
H
u 1 6 3
44 44
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2 4
8 9 9
2 3 4
B O A R D
C N P 8 0 1
(Page 25)
B O A R D
C N P 8 0 2
(Page 24)
(Page 45)
D C D C B O A R D
C N 4 0 0 1
V
D 9 2 0 - 9 2 3
R E C T
3 1 5 1 5 0 8 9
C 9 1 3 0 . 1
D 9 2 0
D 9 2 3
1 0 E D B 4 0 - TA 2 B 5
1 0 E D B 4 0 - TA 2 B 5
C 9 1 5 D 9 2 2
2 2 0 0
1 0 E D B 4 0 -
2 5 V
D 9 2 1 TA 2 B 5
1 0 E D B 4 0 - TA 2 B 5
C 9 1 6
1 0 0 0
2 5 V
C 9 1 4
0 . 1
0 . 2
R 9 0 3
2 . 2 k
0 . 8
Q 9 0 1
2 S C 1 7 4 0 S - Q R T
R E L AY D R I V E R
Q 9 2 2 , 9 2 3 R Y 9 0 1
S U B - T R A N S F O R M E R
R 9 0 4
V O LTA G E C O N T R O L 1
1 2 . 9
Q 9 2 3
2 S C 2 7 8 5 T P - F E K 1 1 . 1
7 . 6
D 9 2 4
1 1
D 9 1 0 A K 0 4 V 1 A K 0 4 V 1
R 9 2 0
2 . 2 k
Q 9 2 2
J W 9 0 9
2 S B 7 3 3 - T- 3 4 D 9 1 1 A K 0 4 V 1
0
D 9 1 2 A K 0 4 V 1
Q 9 2 1 D 9 1 3 A K 0 4 V 1
2 S C 1 7 4 0 S - Q R T
A C I N D E T E C T
0
D 9 1 4 1 S S 1 3 3 T- 7 2
0 . 6
D 9 1 5
1 S S 1 3 3 T- 7 2
R 9 2 3 R 9 2 1
1 0 k 4 7 k
D 9 1 0 - 9 1 3
R E C T
m
c o
.
2
8 9 9
5 6 7
M A I N
2 T 9 0 1
P O W E R
J
3 T R A N S F O R M E R
( 2 / 2 )
( M A I N )
4
5
5
4
M A I N
3
K
( 1 / 2 )
2
3
2
2
C N P 9 0 2
2 P
1 L I V E
N E U T R A L
2
2 4 9 8 2 9 9
F 9 0 1
6 . 3 A
1 2 5 V
J 9 1 1
L A C O U T L E T
F 9 0 2
N
S W I T C H E D 1 2 0 W / 1 A M A X
5 A
A C 1 2 0 V 6 0 H z
1 2 5 V
T 9 0 3
P O W E R
T R A N S F O R M E R
( S U B )
C N P 9 0 1
2 P
1 L I V E
A C I N
2 N E U T R A L
R 9 2 4
C 9 2 2
0 . 1 3 . 3 M
E
1 / 2 W
G 9 0 1
( C H A S S I S )