Printed Wiring Boards - Standby Board, Dcdc Board - Sony STR-K890 Service Manual

STR-K890
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-K890
• See page 13 for Circuit Boards Location.
3 4 5
AC
IN
R810
C924
R811
D923
D922
D921 C916
D920
C950
T902
POWER TRANSFORMER
JW905 (SUB)
JW916
4
FH902
6
RY901
8
F901
1
FH901
R904
D901
x a o
y
. i
http://www.xiaoyu163.com
:Uses unleaded solder.
6 7 8
6
1 1 N
3 3
MAIN
Q BOARD Q
3 7 6
1
CN915
1
(Page 23)
C
C915
5 DCDC BOARD
DIGITAL
BOARD
CNP505
(Page 17)
R903
JW919
R923
R921
C920
D910
D915
D912
C921
D914
D913
JW921
D911
R902
JW910
Q901
DIGITAL
11
BOARD E
CNP512
(12)
1-872-434-
(Page 17)
u 1 6 3
IC4001
30 30
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
T901
POWER TRANSFORMER
(MAIN)
BOARD
CNP801
(Page 23)
BOARD
3 1 5 1 5 0 8 9 2
CNP802
(Page 23)
D4001
FH4004
JW4009
C4002
CL002
1
JW4007
3
FH4003
CL004
JW4002
L4000
C4003
1
3
4
L4001 C4005
D4803
m
1 5
c o 1-872-427-
2 4
C4004
.
R4000
2
8 9 9
12
• Semiconductor
Location
Ref. No. Location
D901 H-4
D910 G-6
D911 H-6
D912 G-6
D913 G-6
J
D914 G-6
D915 G-6
D920 E-5
MAIN
D921 E-5
D922 E-5
D923 E-5
D4001 E-10
D4803 H-9
IC4001 I-9
Q901 H-6
Q921 E-5
K
MAIN
4 9 8 2 9 9
11
(11)