Q Q; Standby Board, Dcdc Board - Sony STR-K990 Service Manual

Q Q

4-17. PRINTED WIRING BOARDS – STANDBY BOARD, DCDC BOARD –
3 7 6 3 1 5 1 5 0
1 2
A
B
C
STANDBY
BOARD
D
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
F
CL901
B900
(CHASSIS)
CL902
G
H
w w w
I
STR-K990
• See page 14 for Circuit Boards Location.
3 4
AC
IN
C924
D923
D922
D921
D920
T902
POWER TRANSFORMER
JW905 (SUB)
JW916
4
FH902
RY901
F901
1
FH901
R904
D901
x a o
y
. i
http://www.xiaoyu163.com
:Uses unleaded solder.
5 6 7
R810
6
1 1 N
3 3
MAIN
R811
Q Q BOARD
3 7 6
1
CN915
C916
1
(Page 24)
C
C915
5
DIGITAL
BOARD
CNP505
(1pin to 5pin)
R903
(Page 18)
C950
JW919
R923
R921
C920
D910
6
D915
D912
C921
8 D914
D913
JW921
D911
R902
JW910
Q901
G901
DIGITAL
12
BOARD
CNP512
(12)
1-872-434-
(Page 18)
(CHASSIS)
u 1 6 3
31 31
http://www.xiaoyu163.com
2 4
8 9 9
8 9 10
T901
POWER TRANSFORMER
(MAIN)
3 1 5 1 5 0 8 9 2
DCDC BOARD
D4001
FH4004
JW4009
C4002
CL002
1
JW4007
3
FH4003
CL004
JW4002
L4000
C4003
1
E
2
3
L4001 C4005
D4803
m
C4006
1 5
c o
2 4
C4004
IC4001
.
R4000
STR-K990
2
8 9 9
11 12
• Semiconductor
Location
Ref. No. Location
D901 H-4
D910 G-6
D911 H-6
D912 G-6
D913 G-6
D914 G-6
D915 G-6
J
D920 E-5
D921 E-5
MAIN D922 E-5
BOARD D923 E-5
CNP801 D4001 E-10
(Page 24) D4803 H-9
IC4001 I-9
Q901 H-6
Q921 E-5
K
MAIN
BOARD
4 9 8 2 9 9
CNP802
(Page 24)
11
(11)
1-872-427-