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15.11. SMPS CIRCUIT
1
2
3
SCHEMATIC DIAGRAM - 10
A
SMPS CIRCUIT
B
CN905
PRELOAD
1
TO
18V
2
MAIN CIRCUIT
18V
3
(CN1004*)
18VGND
4
IN SCHEMATIC
18VGND
5
DIAGRAM - 6
STBY_CTRL
6
C
R706
1K
D
E
F
G
NOTE: " * " REF IS FOR INDICATION ONLY
H
1
2
3
4
5
6
: +B SIGNAL LINE
ZA701*
HEATSINK
G1
G2
C710
F1BAF2220023
2200P
D702
B0ABSM000008
T701
FRD
FRD
K4*
ETS28BT11GAC
MAIN TRANSFORMER
1
2
3
1
C704
R702
2
220P
47
GND
10
3
C703
25V1000
GND
9
G1C100K00019
VCC
5
8
K5*
+18.4V
7
6
B0HCMM000019
+18.4V
GND
C720
100P
R725
100
PC702
B3PBA0000503
FEED BACK
R714
R712
0
120
1
4
2
3
PC701
B3PBA0000503
R717
FEED BACK
330
1
4
R701
C723
1K
1000P
2
3
C709
0.1
C714
1000P
R716
R710
47K
150K
4
3
IC701
+
D4CC11040013
R720
C0DBZMC00006
24K
-
SHUNT REGULATOR
R749
1
2
R728
10K
C722
1.5K
56P
1
2
3
ZJ702
4
5
6
7
8
9
D701
TH701
B0EBNR000045
D4CAA5R10001
1
R704
C705
68K
F0CAF104A105
0.01
R703
2
68K
C706
D707
400V100
3
B0ACMQ000002
4
Q701
R723
B1KAB0000021
D
CURREN LIMITING SWITCH
C731
220P
D708
G
S
ZA700*
HEATSINK
D717
R718
B0JCME000035
0.15
G1
G2
R748
10M
C717
R722
C718
0.15
0.22
33K
R732
10M
R746
R743
R745
220K 18K
10M
IC700
C0DBZYY00448
C721
0.1
SWITCH-MODE
POWER SUPPLY CONTROLLER
R747
1K
5
VINS
ISENSE
4
TH702
C732
56
6
PROT
DRIVER
3
CTRL
GND
7
2
C711
R727
0.1
2.2K
8
1
OPTMR
VCC
D715
C713
B0BC02900004
50V4.7
7
8
9
106
10
11
12
L702
C725
C702
G0B183E00004
P751
F0CAF104A105
0.1
0.1
2
1
3
4
F751
T3.15A 250V
Z752
C727
C728
ERZVA5Z471
F1BAF1020020
F1BAF1020020
1000P
1000P
R724
R726
1.5M
1.5M
1
2
3
ZJ701
SC-HC25GS/GSX/GT/PU SMPS
10
11
12
13
14
A
B
AC IN
110-240V 50/60Hz..(GS/GSX/PU)
110V 60Hz..(GT)
C
D
E
F
G
CIRCUIT
H
13
14
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