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3.2.
SMPS Circuit (For SA-AKX12EB/EG/GN-K)
With reference to original service manual (section 16.6.) on page 87-88 for Model No. SA-AKX12EB/EG/GN-K
1
2
3
SCHEMATIC DIAGRAM - 9
A
H
SMPS CIRCUIT
: +B SIGNAL LINE
B
CN5802
AM_BEATPROOF
15
PCONT
PCONT
14
DC16V
DC16V
13
C
+16V_GND
12
ECO_CTL
11
B
TO
DCDET2
10
MAIN CIRCUIT
TEMP_DET
9
SYS3.3V
(ZJ2002*)
SYS3.3V
8
SYNC
IN SCHEMATIC
SYNC
7
DIAGRAM - 6
+35V_SENSE
6
+35V_SENSE
5
C5831
C5896
SYS_GND
4
0.1
0.1
SYS_GND
3
C5832
-35V_SENSE
2
0.1
-35V_SENSE
1
D
E
F
G
H
1
2
3
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4
5
6
: -B SIGNAL LINE
Q5862
R5862
R5863
B1GBCFJJ0051
18K
18K
DCDET
R5860
R5861
10K
3.3K
Q5860
Q5861
B1ADCF000001
B1ABCF000176
C5869
R5864
TEMPERATURE DETECT
TEMPERATURE DETECT
0.1
10K
C5870
0.1
R5800
R5841
R5836
R5833
15K
120K
2.2K
2.2K
R5840
R5837
R5835
C5843
82K
10
2.2K
2.2K
R5801
C5844
22K
10
QR5801
B1GBCFJN0038
D5804
QR5802
SWITCH
B0ACCK000012
B1GDCFGA0018
DC DETECT
DC16V
C5826
C5800
0.01
0.01
CHASSIS GND
C5817
100V0.1
R5814
8.2K
R5805
2.2K
R5865
0
SYS3.3V
PCONT
4
5
6
7
8
9
D5801
B0ABSM000008
TH5860
D4CC11040013
1
2
3
T5701
ETS39AG4M6AD
MAIN TRANSFORMER
10
9
-35V
C5805
11
8
R5832
50V1000
2.2K
12
7
GND
13
6
C5808
R5834
50V1000
2.2K
14
5
+35V
15
4
+15V
VIN
GND
16
3
3
2
1
R5720
22
VCC
17
2
+18V
D5731
D5803
B0EAMM000057
B0HFRJ000012
18
1
D5802
GND
B0ABSM000008
B0BC018A0267
C5812
C5813
0.1
35V330
B1BABG000007
LIMITING SWITCH
PC5720
B3PBA0000503
FEEDBACK
R5809
R5807
330
330
R5721
10K
1
4
R5808
2.2K
R5802
C5810
2
3
12K
0.1
C5720
0.1
IC5801
C0DABFC00002
R5803
C0DAAYY00072
R5730
1K
CHANGE
1K
SHUNT REGULATOR
R5804
47K
C
1
D5722
R5806
B0BC019A0007
15K
3
C5818
A
D5723
0.1
B0ACCK000012
2
R
PC5701
B3PBA0000503
FEEDBACK
1
4
R5817
R5810
330
330
2
3
QR5810
B1GBCFLL0037
PCONT SWITCH
7
8
9
8
10
11
12
C5713
R5702
R5703
0.01
100K
100K
3
D5702
B0ZAZ0000052
1
2
R5724
D5726
120
B0EAKM000117
R5723
1K
D5721
L5704
J0JBC0000019
Q5720
CURRENT
D5729
B0EAMM000057
Q5722
R5722
D5727
B1ABCF000176
1.2K
B0ACCK000012
CURRENT
LIMITING SWITCH
D5724
B0ACCK000012
D5728
B0ACCK000012
C5725
C5723
0.1
470P
C5728
1000P
C5724
R5733
50V56
47K
C5721
C5722
220P
1000P
C5737
820P
D5725
B0BC6R100010
1/2
2/2
SA-AKX12EB/EG/GN SMPS CIRCUIT
10
11
12
13
14
P1
1
TO SMPS
CIRCUIT (2/2)
2
3
R5732
100
IC5701
C5HACYY00005
SWITCHING REGULATOR
7
OCP/BD
6
FB
5
OLP/SS
C5730
1
4
VCC
C5726
0.1
GND
3
S
2
1
D
4
R5726
0.27
R5727
0.27
13
14
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