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18.8. SMPS Circuit
1
2
3
SCHEMATIC DIAGRAM - 18
A
K
SMPS CIRCUIT
B
CN5803
J
+30V_SENSE
6
TO
+30V_SENSE
5
SURROUND D-AMP
GND
4
CIRCUIT (ZJ5901*)
GND
3
IN SCHEMATIC
-30V_SENSE
2
DIAGRAM - 17
-30V_SENSE
1
C
CN5801
I
+30V_SENSE
6
TO
+30V_SENSE
5
C5831
D-AMP CIRCUIT
0.1
GND
4
(ZJ5500*)
GND
3
IN SCHEMATIC
C5832
-30V_SENSE
2
0.1
DIAGRAM - 16
-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
K6
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
R5800
R5841
R5836
15K
120K
2.2K
R5840
C5843
R5837
82K
10
2.2K
R5801
C5844
22K
10
QR5802
QR5801
B1GDCFGA0018
B1GBCFJN0038
DC DETECT
D5804
POWER CONTROL
B0ACCK000012
HEATSINK*
G1
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
Q5803
R5814
AM_BP
8.2K
B1BABG000007
R5820
SWITCH
10K
PCONT
4
5
6
7
8
9
D5801
B0ABSM000008
TH5860
D4CC11040013
1
2
3
T5701
G4DYZ0000049
MAIN TRANSFORMER
10
9
-30V
DRAIN
C5805
11
8
R5833
R5832
50V2200
2.2K
2.2K
12
7
AMPGND
13
6
C5808
R5835
R5834
50V2200
2.2K
2.2K
14
5
+30V
15
4
+FAN 18V
VIN
GND
16
3
3
2
1
R5720
22
VCC
17
2
+18V
D5803
B0HFRJ000012
G2
18
1
D5802
B0ABSM000008
C5813
35V330
PC5720
B3PBA0000402
FEED BACK
R5809
R5807
330
330
1
4
R5808
2.2K
2
3
R5802
C5810
12K
0.1
IC5801
C0DABFC00002
SHUNT REGULATOR
R5803
1K
C
1
R5804
R5806
B0BC019A0007
47K
15K
3
C5818
A
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
114
10
11
12
C5713
R5702
R5703
0.01
100K
100K
3
D5702
B0ZAZ0000052
1
2
R5724
D5726
120
B0EAKM000117
D5731
R5723
B0EAMM000057
1K
D5721
L5704
B0BC010A0007
J0JBC0000019
Q5720
B1BABG000007
CURRENT
D5729
LIMITING SWITCH
B0EAMM000057
Q5722
R5722
D5727
B1ABCF000176
1.2K
B0ACCK000012
R5721
CURRENT
10K
LIMITING SWITCH
D5724
B0ACCK000012
D5728
B0ACCK000012
C5720
0.1
C5725
0.1
R5730
C5728
1K
1000P
C5724
D5722
50V56
C5721
C5722
220P
1000P
D5723
C5737
470P
D5725
B0BC6R100010
1/2
2/2
SA-AKX90PH/PR SMPS CIRCUIT
10
11
12
13
14
P1
1
2
TO SMPS
SECTION (2/2)
3
R5732
100
IC5701
C5HACYY00005
SWITCHING REGULATOR
7
OCP/BD
6
FB
5
OLP/SS
C5723
HEATSINK*
C5730
470P
1
4
VCC
C5726
0.1
3
GND
G1
G2
R5733
47K
2
S
1
D
4
R5726
0.15
R5727
0.15
13
14
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