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3.16. SMPS Circuit (For SA-XH10PH/PR-K)
With reference to original service manual (section 17.5) on page 109.
15
16
17
SCHEMATIC DIAGRAM - 17
E
SMPS CIRCUIT
G2
G1
D5706
B0HBSM000054
ZA5803*
HEATSINK
1
Q5841
B1GBCFGG0030
1
2
3
R5843
DC DETECT
2.2K
C5721
R5726
220P
47
2
C5843
R5842
C5724
1
470
25V680
3
C5729
0.01
3
2 1
ZJ5701
R5728
330
4
TO SMPS
CIRCUIT (1/2)
NOTE: " * " REF IS FOR INDICATION ONLY
15
16
17
18
19
20
: +B SIGNAL LINE
: -B SIGNAL LINE
T5701
ETS35BL146AC
MAIN TRANSFORMER
VIN
16
NC
1
R5719
+24V
R5711
3.3M
15
C5711
100K
1000P
R5720
R5710
3.3M
14
3
100K
R5721
13
D5702
3.3M
B0EAKT000063
12
5
CHANGE
11
NC
R5716
10
D5703
G1C220MA0172
B0EAMM000057
VCC
10
NC
7
NC
9
8
GND
C5706
F1BAF1020020
1000P
R5722
82K
C5717
0.22
5
VINS
ISENSE
4
C5718
PC701
0.1
B3PBA0000503
6
PROT
DRIVER
3
FEEDBACK
1
4
7
CTRL
GND
2
C5719
0.22
2
3
8
OPTMR
VCC
1
R5724
180K
C5720
0.01
IC5701
C0DBZYY00448
SWITCH-MODE POWER
SUPPLY CONTROLLER
R5723
TH5701
10K
D4CC11040013
18
19
20
21
22
23
D5701
B0EBNR000045
+
~
~
-
C5703
1
2
3
4
F0CAF104A105
0.1
C5709
400V180
C5712
220P
R5701
R5703
820K
820K
D
S
Q5701
R5704
R5702
G
B1CERS000002
820K
820K
CURRENT LIMITING
SWITCH
C5716
50V4.7
R5712
R5717
0.22
33K
R5718
R5713
C5714
1K
0.22
0.22
R5715
R5714
4.7
10
G2
G1
D5704
B0JCME000035
ZA5703*
HEATSINK
C5715
0.1
D5705
B0BC02700039
21
22
23
38
24
25
26
L5702
L5701
ELF19H010A
TH5702
ELF17N010A
F1
P5701
D4CAA5R10001
T3.15A 250V
3
4
3
4
2
1
2
1
C5702
DZ5701
F0CAF104A105
ERZVA5Z471
0.1
F1BAF471A013
F1BAF471A013
470P
470P
1
2
ZJ5702
3
K3*...PH/PR
K7...PH/PR
TL
12
0
1/2
2/2
SA-XH10PH/PR SMPS CIRCUIT
24
25
26
27
28
A
B
AC IN
110V~240V 50Hz/60Hz
C
D
E
F
G
H
27
28
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