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18.7. SMPS Circuit
1
2
3
SCHEMATIC DIAGRAM - 17
A
J
SMPS CIRCUIT
B
C
CN5801
I
+30V_SENSE
6
TO
+30V_SENSE
5
D-AMP CIRCUIT
C5831
0.1
GND
4
(ZJ5500*)
GND
3
IN SCHEMATIC
C5832
-30V_SENSE
2
DIAGRAM - 16
0.1
-30V_SENSE
1
D
E
CN5802
AM_BP
AM_BP
11
NC
10
PCONT
PCONT
9
B
TO
DC18V
8
MAIN CIRCUIT
C5812
DC18V
7
0.1
(CN2014*)
+18V.-12V_GND
6
IN SCHEMATIC
+18V.-12V_GND
5
DIAGRAM - 6
DCDET
4
C5896
NC
3
0.1
SYS3.3
SYS3.3
2
F
SYNC
SYNC
1
K7...PH
0
K4...PN
0
TP
1
G
H
1
2
3
4
5
6
: +B SIGNAL LINE
: -B SIGNAL LINE
Q5862
B1GBCFJJ0051
R5862
R5863
TRANSFORMER
18K
18K
TEMP. DETECT
R5860
R5861
Q5860
10K
3.3K
B1ADCF000001
Q5861
TRANSFORMER
B1ABCF000176
C5869
TEMP DETECT.
R5864
TRANSFORMER
0.1
10K
C5870
TEMP. DETECT
0.1
C5805
R5800
R5841
R5836
50V2200...PH
15K
120K
2.2K
50V1000...PN
FOR PH
FOR PH
R5840
C5843
C5808
R5837
82K
10
50V2200...PH
2.2K
R5801
50V1000...PN
C5844
22K
10
QR5802
QR5801
B1GDCFGA0018
B1GBCFJN0038
DC DETECT
D5804
POWER CONTROL
B0ACCK000012
HEATSINK*
G1
G2
C5826
C5800
0.01
0.01
GND
R5821
R5822
R5823
R5824
470
470
470
470
R5825
R5826
R5827
R5828
470
470
470
470
C5817
100V0.1
R5814
Q5803
AM_BP
8.2K
B1BABG000007
R5820
SWITCH
10K
PCONT
4
5
6
7
8
9
10
-30V
11
12
AMPGND
13
14
+30V
15
+FAN 18V
GND
16
D5801
B0ABSM000008
17
+18V
TH5860
D4CC11040013
18
1
2
3
T5701
FOR PH
G4DYZ0000049...PH
ETS42AD4VGAD...PN
MAIN TRANSFORMER
10
9
11
8
R5833
R5832
2.2K
2.2K
12
7
13
6
R5835
R5834
FOR PH
2.2K
2.2K
14
5
15
4
16
3
R5720
3
2
1
22
17
2
D5803
B0EAMM000057
B0HFRJ000012
18
1
D5721
D5802
B0BC010A0007...PH
B0BC018A0267...PN
B0ABSM000008
C5813
35V330
B1BABG000007
LIMITING SWITCH
PC5720
B3PBA0000402
FEED BACK
R5809
R5807
330
330
R5721
10K
1
4
R5808
2.2K
2
3
C5720
0.1
R5802
C5810
12K
0.1
IC5801
C0DABFC00002
R5730
1K
SHUNT REGULATOR
R5803
1K
C
1
D5722
R5804
R5806
B0BC019A0007
47K
15K
3
C5818
A
D5723
0.1
B0ACCK000012
2
R
R5805
PC5701
2.2K
B3PBA0000402
FEED BACK
1
4
R5817
R5810
330
330
QR5810
2
3
B1GBCFLL0037
INVERTER
7
8
9
103
10
11
12
FOR PN
FOR PH
10
9
9
-30V
DRAIN
DRAIN
11
8
8
7
12
7
AMPGND
6
13
6
14
5
5
+30V
15
4
4
VIN
+FAN 18V
VIN
GND
3
16
3
VCC
VCC
2
17
2
+18V
18
1
1
R5702
R5703
C5713
100K...PH
100K...PH
0.01
33K...PN
33K...PN
3
D5702
B0ZAZ0000052
1
2
R5724
D5726
120
B0EAKM000117
D5731
R5723
1K
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...PH
470P
D5725
B0BC6R100010
1/2
2/2
SA-AKX70PH/PN SMPS CIRCUIT
10
11
12
13
14
P1
1
2
TO SMPS
SECTION (2/2)
3
R5732
100
IC5701
C5HACYY00005...PH
C5HACYY00004...PN
SWITCHING REGULATOR
7
OCP/BD
6
FB
5
OLP/SS
C5730
HEATSINK*
1
4
VCC
C5726
0.1
G1
G2
3
GND
2
S
1
D
4
R5726
0.15...PH
0.11...PN
R5727
0.15...PH
0.1...PN
13
14
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