Standby Board, Dcdc Board - Sony STR-K890 Service Manual

Q Q
4-18. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD –
3 7 6 3 1 5 1 5 0
1 2
A
STANDBY BOARD
B
CNP802
6P
+15V
6
R2 GND IN
5
N
STBY GND
4
MAIN
-15V
3
BOARD
C
1
R2 RETURN GND
(4/4)
CN915
(Page 27)
CNP903
5P
D
+15V 1
C
STOP 2
DIGITAL
GND 3
BOARD
T E
L 1 3 9 4 2 2 9 6 5 1 3
+9V STANDBY 4
(4/5)
POWER RELAY 5
CNP505
(Page 21)
E
Q921
2SC1740S-QRT
AC DET
0
F
0.6
G
H
w w w
STR-K890
3 4 5
R810
0.22
1/2W
D920 D923 C913
10EDB40-TA2B5
10EDB40-TA2B5 0.1
C915
2200
D921 D922
25V
10EDB40-TA2B5 10EDB40-TA2B5
C916
1000 R811
0.22
25V
1/2W
Q901
FH901
2SC1740S-QRT
RELAY DRIVE
0.2
RY901
R903 5V, TV-8
0.8
2.2k
R902
47k
R904
1
1/4W
C950
D910
3300
10EDB40-TA2B5
16V
JW905
D911
7.5
C920
JW908
10EDB40-TA2B5
0.1
D912
4
10EDB40-TA2B5
6 3
D913
C921
10EDB40-TA2B5
0.1
D914
1SS133T-72
C924
R922
1 8 1
22k
50V
D915
R921
1SS133T-72
R923 T902
47k
10k
POWER TRANSFORMER
(SUB)
x a o
y
. i
http://www.xiaoyu163.com
6 7 8
DCDC BOARD
CN4001
CNP804
3P
3P
AC-R2-17V 1
1 R2 AC
2 R2 GND GND 2
3 R2 AC AC-R2-17V 3
CNP805
3P
1 R2 AC
2 R2 GND
3 R2 AC
F901
CNP902
T2.5AL/250V
2P
FH902
1 LIVE
2 NEUTRAL
CNP901
3P
1 LIVE L
Q Q
AC IN
3 7 6
3 NEUTRAL
N
No mark:FM
u 1 6 3
.
31 31
http://www.xiaoyu163.com
2 4
8 9 9
9 10 11
SI-8050S-LF1101
IC4001
1 2 3
F4001
T3.15AL/250V
FH4001 FH4002
D4001
D3SB60F3
CL003
L4000
100uH
CL004
F4002
C4002
T3.15AL/250V
C4003
3300
1000
FH4003 FH4004
35V
35V
D4803
RK36LF-B3
3 1 5 1 5 0 8 9 2
T901
POWER TRANSFORMER
(MAIN)
m
c o
STR-K890
2
8 9 9
12 13 14
IC4001
+6.3V REG
4 5
L4001
100uH
E E
R4001 1 DGND
470
DIGITAL
3 +6.3V
BOARD
4 +4.1V
C4005
1000
(1/5)
R4002 16V CN4103
680
3P
CNP512
(Page 18)
No mark:FM
4 9 8 2 9 9
J
MAIN
BOARD
(4/4)
CNP801
(Page 27)
K
MAIN
BOARD
(4/4)
CNP802
(Page 27)