33
33
STR-K995
STR-K995
4-19. 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
14.9
6.8
14.2
14.2
0
17.2
4.1
4
2.4
(CHASSIS)
AK04V1
D910
AK04V1
D911
AK04V1
D912
AK04V1
D913
10EDB40-TA2B5
D920
10EDB40-TA2B5
D921
10EDB40-TA2B5
D922
10EDB40-TA2B5
D923
1/2W
0.22
R810
1/2W
0.22
R811
0.1
C913
0.1
C914
0.1
C920
0.1
C922
0.1
C951
0.1
C921
50V
1
C924
47k
R921
22k
R922
10k
R920
R923
3.3M
1/2W
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
JW909
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
7
6
POWER TRANSFORMER
T903
(SUB)
25V
2200
C915
1
2
3
4
5
6P
CNP802
R2 RETURN GND
-15V
STBY GND
R2 GND IN
SUB-T
+15V
6
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
0.1
C4102
0.47
C4006
C4006
0.47
C4007
680
R4002
470
R4101
680
R4102
1.5k
R4000
1.5k
R4100
470
R4001
16V
1000
C4005
RK36LF-B3
D4803
100uH
L4000
100uH
L4101
100uH
L4100
100uH
L4001
1
2
3
4
CN4103
4P
D_GND
+6.3V
+4.1V
1
2
3
4
+6.3V
NC
NC
D_GND
D4001
FH4003
FH4004
1
2
3
3P
CN4001
AC-R2-17V
GND
AC-R2-17V
35V
1000
C4003
16V
1000
C4103
35V
1000
C4100
DCDC BOARD
IC4001
F4001
T3.15AL/250V
F4002
T3.15AL/250V
+6.3V REG
IC4100
AC IN
POWER TRANSFORMER
T901
(MAIN)
2.2k
C954
16V
6800
C952
25V
1000
2SC2785TP
SWITCH
Q923
2SB733-T
REG
Q922
5
6
7
D_GND
NC
+4.1V
+4.1V
CN4101
7P
0.47
C4010
AK04V1
D924
RK36LF-B3
D4804
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
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