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16.17. SMPS Circuit (1/2)
1
2
3
SCHEMATIC DIAGRAM - 17
A
I
SMPS CIRCUIT
: +B SIGNAL LINE
B
H5801*
DCDET
+30V_SENSE
8
+30V_SENSE
FAN_18V
+30V_SENSE
7
TO
GND
6
D-AMP CIRCUIT
GND
5
(CN5500)
-30V_SENSE
4
IN SCHEMATIC
-30V_SENSE
-30V_SENSE
3
DIAGRAM - 12
C
FAN_GND
2
FAN_18V
1
FAN_18V
-30V_SENSE
+30V_SENSE
D
DCDET
CN5802
AM_BP
AM_BP
11
PCONT
PCONT
10
DC_18V
DC18V
9
B
AM_BP
DC_18V
TO
DC18V
8
C5812
R5825
MAIN CIRCUIT
+18V.-12V_GND
7
0.1
1K
(CN2701*)
+18V.-12V_GND
6
E
C5815
Q5803
0.1
-13V
IN SCHEMATIC
-13V
5
2SC3940ARA
DIAGRAM - 7
DCDET
DCDET
4
SWITCHING
SYS_GND
3
-13V
SYS6V
SYS6V
2
SYNC
FAN_18V
SYNC
1
C5896
0.1
F
K1
0
K8
0
+30V_SENSE
FOR PN ONLY
K7
0
FOR PH ONLY
K2
0
G
-30V_SENSE
SYS6V
PCONT
H
1
2
3
4
5
6
7
: -B SIGNAL LINE
D5809
Q5861
Q5862
MA2J1110GL
B1ABCF000176
B1ABCF000176
TRANSFORMER TEMP DETECT
TRANSFORMER TEMP DETECT
D5801
B0HBSM000043
Q5860
2SA207700L
TRANSFORMER
1
2
3
C5869
TEMP DETECT
0.1
C5870
0.1
R5801
10K
D5807
MA2J1110GL
C5800
QR5801
R5840
0
1
3
2
1
82K
UNR221400L
2
DC DETECT
3
ZJ5801
QR5802
D5802
B1GDCFGA0018
B0HBSM000043
DC DETECT
R5809
R5807
330
330
IC5801
C0DABFC00002
SHUNT REGULATOR
C
1
3
A
Q5802
2
B1ABCF000176
R
FEED BACK CONTROL
D5806
MAZ8075GML
4
5
6
7
8
9
10
T5701
ETS48AB116AC...PH
ETS48AB12GAC...PN
MAIN TRANSFORMER
10
9
R5703
R5702
100K...PH
100K...PH
-30V
33K...PN
33K...PN
DRAIN
11
8
AMPGND
12
7
13
6
1
14
5
+30V
15
4
+FAN 18V
VIN
GND
16
3
+18V
VCC
17
2
D5803
R5720
B0HFRJ000012
22
18
1
-12V
D5721
B0BC010A0007...PH
MAZ8180GML...PN
Q5720
2SC3940ARA
Q5720
CURRENT
LIMITING SWITCH
D5805
B0EAMM000057
R5721
D5728
MA2J1110GL
10K
Q5722
C5720
B1ABCF000176
CURRENT
LIMITING SWITCH
0.1
R5730
1K
D5725
B0BC6R100010
PC5720
D5722
B3PBA0000402
B0BC019A0007
C5728
1000P
1
4
D5723
MA2J1110GL
2
3
FEED BACK
PC5701
B3PBA0000402
1
4
2
3
FEED BACK
QR5810
B1GBCFLL0037
INVERTER
8
9
10
11
12
13
3
TO SMPS
SECTION (2/2)
2
R5732
D5726
100
B0EAKM000117
IC5701
D5729
C5HACYY00005...PH
B0EAMM000057
C5HACYY00004...PN
SWITCHING REGULATOR
R5722
7
OCP/BD
1K...PH
1.2K...PN
6
FB
D5724
D5727
MA2J1110GL
MA2J1110GL
5
OLP/SS
C5730
50V1
R5725
4
0
VCC
GND
3
S
2
C5737...PH
C5727...PN
470P
3300P
D
1
R5726
82m
R5727...PN
C5700
0.1
F1BAF1020020
1000P
R5750
0
3 2
1
ZJ5803
1/2
SA-AK780/785 SMPS
2/2
CIRCUIT
11
12
13
14
P1
1
2
3
6
14
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