Printed Wiring Board - Power Section; Schematic Diagram - Power Section - Sony STR-K7100 - Multi Channel Av Receiver Service Manual

STR-K7100
5-27. PRINTED WIRING BOARD — POWER SECTION —
• Refer to page 14 for Circuit Boards Location.
1 2 3
A
STANDBY BOARD
(CHASSIS)
B900
B
CL902
CL901
C
FH901 FH902
F901
D
RY901
R901
E
C922
POWER
TRANSFORMER
(SUB)
G901
F
JW908
G
JW920
• Semiconductor
Location
H
Ref. No. Location
D901 D-1
D910 G-3
D911 G-2
D912 G-2
D913 G-2
D914 G-2
D915 G-2
D920 E-5
D921 E-5
D922 E-5
D923 E-5
Q901 G-2
Q921 F-4
STR-K7100
: Uses unleaded solder.
4 5 6
(Page 23)
MAIN BOARD
CNP801
J
TRANSFORMER
CNP902
1 2 1
JW913
CNP902
CNP901
JW912 1 2 1
AC IN ~
R922
C924
C913
C914
T902
(Page 41)
Q921
DCDC BOARD
B E
CN4001
JW917
S
C950
CNP804
1
3
CNP805
3
1
1
3
CNP805
JW915
CNP802
1 6 1
JW904
JW901
CNP802
CNP903
5 1
1-872-434-
5 1
CNP903
N
DIGITAL BOARD
CNP505
1 – 5
(Page 27)
5-28. SCHEMATIC DIAGRAM — POWER SECTION —
7
1
(Page 23)
A
MAIN BOARD
CNP802
K
T901
POWER
B
(MAIN)
2 C
2
CNP901
D
S U B - T
+ 1 5 V
M A I N
B O A R D R 2 G N 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
+ 1 5 V
D I G I TA L
S T O P
B O A R D
N
S T B Y G N D
( 2 / 3 )
3 1
C N P 5 0 5
+ 9 V ( S T B Y )
1 5
CNP804
P O W E R R Y
(Page 29)
F
6
I
MAIN BOARD
CN915
(Page 23)
G
40 40
2 3 4
M A I N
B O A R D
( 2 / 2 )
C N P 8 0 1
(Page 25)
M A I N
B O A R D
( 1 / 2 )
C N P 8 0 2
(Page 24)
(Page 41)
D C D C B O A R D
C N 4 0 0 1
S
S TA N D B Y B O A R D
C N P 8 0 2
6 P D 9 2 0 - 9 2 3
R E C T
6
C 9 1 3
0 . 1
5 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
4
3
C 9 1 5
2 2 2 0 0 D 9 2 2
2 5 V
1 0 E D B 4 0 - TA 2 B 5
D 9 2 1
1
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
C N P 9 0 3
5 P
1
2 0 . 2
R 9 0 3
2 . 2 k Q 9 0 1
3 0 . 8
2 S C 1 7 4 0 S - Q R T
R E L AY D R I V E R
4
5
R 9 0 4
1
D 9 1 0 1 0 E D B 4 0 - TA 2 B 5
J W 9 0 8
D 9 1 1 1 0 E D B 4 0 - TA 2 B 5
T R A N S F O R M E R
C 9 2 0
0 . 1
D 9 1 2 1 0 E D B 4 0 - TA 2 B 5
C 9 2 1
0 . 1
6
D 9 1 3 1 0 E D B 4 0 - TA 2 B 5
0
Q 9 2 1 D 9 1 4 1 S S 1 3 3 T- 7 2
2 S C 1 7 4 0 S - Q R T
0 . 6
A C I N D E T E C T
D 9 1 5 1 S S 1 3 3 T- 7 2
8
R 9 2 3 R 9 2 1
C 9 2 2
1 0 k 4 7 k
D 9 1 0 - 9 1 3
0 . 1
R E C T
( C H A S S I S )
5 6
2 T 9 0 1
P O W E R
J
3 T R A N S F O R M E R
( M A I N )
4
5
5
4
3
K
2
3
2
2
C N P 9 0 2
2 P
1 L I V E
2 N E U T R A L
F 9 0 1
5 A
1 2 5 V
T 9 0 2
P O W E R
( S U B )
4
3
C N P 9 0 1
3 P
1 L I V E
A C I N '
1 3 N E U T R A L
R 9 0 1
3 . 3 M
E
G 9 0 1