1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
39
39
STR-DH700
STR-DH700
5-22. SCHEMATIC DIAGRAM — STANDBY DCDC BOARD — • Refer to page 17 for Circuit Boards Location.
Mount Mecha
492490681
B920
~ AC IN
5.0
0
4.1
4.5
0
5.9
2
2
3
(MAIN)
5
2
POWER TRANSFORMER
5
3
4
4
3
2
T901
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
IC910
50V
1
C924
*FH921
*FH920
RY920
RELAY
25V
C926
1000
5
US, CND MODEL
AEP, UK MODEL
JW923
1
3
3P
CNP922
LIVE
NEUTRAL
16V
C923
3300
1
4
4P
*CNP923
LIVE
NEUTRAL
F920
F920
8A 125V (US,CND )
T3.15AL 250V (AEP,UK )
2SC3052EF-T1-LEF
Q920
AC IN DETECT
22k
R924
47k
R925
0.1
C927
0.1
C925
MA2J1110GLS0
D927
MA2J1110GLS0
D925
MA2J1110GLS0
D924
R926
2.2k
2SC3052EF-T1-LEF
Q923
2SC3052EF-T1-LEF
Q921
R922
2.2k
2.2k
R927
2SB1132-T100-R
Q922
47k
R928
R923
47k
C971
0.47
C972
0.47
C993
1000
1.5k
R980
R992
470
C992
0.1
0.1
C981
35V
1000
C980
16V
1000
C982
R990
1.5k
680
R981
R991
680
RB060M-30
D980
100uH
L980
470
R982
35V
C990
1000
L990
100uH
D5SBA20-4003
D903
0.47
C918
25V
47
C921
1
1/4W
R929
0.1
C911
0.1
C912
25V
3300
C991
25V
1000
C914
SUB_PT_P4
SUB_PT_P3
NEUTRAL_
SUB_PT_P1
SUB_PT_P7
SUB_PT_P8
SUB_PT_P6
1
3
4
5
6
7
8
9
2
*T924
*JW925
1SR154-400TE-25
D913
1
2
3
4
4P
*CNP904
NC
R3 AC
-R3
GND
GND
BLANK
+R3
CENTER
R3 AC
250V
3.15A
F901
250V
3.15A
F902
25V
470
C917
0.47
KIA7807API-U/PF
IC910
+5V REG
1
3
4
5
6
7
8
9
2
*T920
POWER TRANSFORMER
POWER TRANSFORMER
(SUB)
(SUB)
1
2
3
4
5
5P
*CN905
CL921
CL922
CL923
CL924
CL925
CL926
CL927
CL933
CL934
1
15
3
4
5
6
7
8
9
10 11
12 13 14
CN970
15P
+5V GND
+4V
+5V
SW
-PROTECT
OR
SUB-T(CEC)
ST
OP
(AC-OFF-DET)
POWER
R
Y
RELAY DRIVER
+4V
GND
+6.2v
+6.2v
D_GND
D_GND
+4V
CL935
CL936
CL937
CL938
CL939
CL940
CL941
CL942
CL943
CL944
CL945
CL946
CL947
CL928
22k
1/10W
1/10W
1/10W
R921
RB051LA-40TR
D922
RB051LA-40TR
D923
RB051LA-40TR
D920
D920-D923
RECT
RB051LA-40TR
D921
RB051LA-40TR
D91
1
RB051LA-40TR
D926
L992
100uH
TMP
100uH
L981
TMP
D991
3.0 A
TO DIGITAL
B+ SWITCH
SUB-T CONTROL
IC911
BA50BC0T
IC911
+6V REG
16.2
3.8
0
5.0
2.4
16.2
6.1
0
3.3
2.4
STANDBY DCDC BOARD