32
32
STR-K990
STR-K990
4-18. SCHEMATIC DIAGRAM – STANDBY BOARD, DCDC BOARD –
0.8
0.6
0.2
0
No mark:FM
17.2
6.4
5.1
2.4
No mark:FM
(CHASSIS)
10EDB40-TA2B5
D910
10EDB40-TA2B5
D911
10EDB40-TA2B5
D912
10EDB40-TA2B5
D913
10EDB40-TA2B5
D920
10EDB40-TA2B5
D921
10EDB40-TA2B5
D922
10EDB40-TA2B5
D923
1/2W
0.22
R810
1/2W
1/4W
0.22
R811
0.1
C913
0.1 C914
0.1
C920
0.1
C922
0.1
C921
50V
1
C924
47k
R921
22k
R922
10k
R923
3.3M
R901
G901
2.2k
R903
1
R904
1SS133T
-72
D901
1SS133T-72
D914
1SS133T-72
D915
2SC1740S-QRT
Q901
2SC1740S-QRT
Q921
47k
R902
1
2
2
2P
CNP902
LIVE
NEUTRAL
FH901
FH902
RY901
JW908
1
2
3
3P
CNP805
R2 AC
R2 GND
R2 AC
1
2
3
3P
CNP804
R2 AC
R2 GND
R2 AC
1
2
3
4
5
5P
CNP903
+15V
STOP
GND
+9V STANDBY
POWER RELAY
25V
1000
C916
1
3P
CNP901
LIVE
L
N
NEUTRAL
1
3
4
8
6
POWER TRANSFORMER
T902
(SUB)
16V
3300
C950
25V
2200
C915
1
2
3
4
5
6P
CNP802
R2 RETURN GND
-15V
STBY GND
R2 GND IN
+15V
6
7.5
JW905
F901
5A/125V
STANDBY BOARD
RELAY DRIVE
AC DET
1
2
3
4
5
35V
3300
C4002
FH4001
FH4002
CL003
CL004
0.1
C4004
0.47
C4006
680
R4002
1.5k
R4000
470
R4001
16V
1000
C4005
RK36LF-B3
D4803
100uH
L4000
100uH
L4001
1
2
3
CN4103
3P
DGND
+6.3V
+4.1V
D3SB60F3
D4001
FH4003
FH4004
1
2
3
3P
CN4001
AC-R2-17V
GND
AC-R2-17V
35V
1000
C4003
DCDC BOARD
IC4001
F4001
T3.15AL/250V
F4002
T3.15AL/250V
+6.3V REG
AC IN
POWER TRANSFORMER
T901
(MAIN)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
H
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299