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12.12. SMPS Circuit (1/2)
1
2
3
SCHEMATIC DIAGRAM - 12
A
B
SMPS CIRCUIT
B
AC IN
120V 60Hz...PN
220~240V 50/60Hz...PS
C
D
E
C1505
0.1
B0HAMP000094
16
15
14
VGH
VS
VB
F
VC1
VSEN
SST
1
2
3
G
NOTE: " * " REF IS FOR INDICATION ONLY
H
1
2
3
4
5
6
: +B SIGNAL LINE
P1001
LB1003
J0JKB0000015
DZ1001
ZA1002
ZA1003
D4EAY511A127
LB1004
J0JBC0000010
F1001
T10AH 250V
3
ZJ1004
2
K4CZ01000027
1
D1503
C1510
10
13
12
11
10
9
NC
NC
VGL
VC2
GND
IC1501
C0DBBYY00077
SWITCHING POWER
SUPPLY
AS
FB
CSO
CS1
CS2
R1702
2.7K
4
5
6
7
8
R1703
R1514
Q1505
2.7K
18
B3PBA0000579
FEEDBACK
R1515
R1701
R1511
6.8K
1.5K
33
4
1
C1708
C1511
R1716
0.022
0.01
1K
3
2
C1512
C1508
R1510
C1509
0.033
1500P
47
0.1
4
5
6
7
8
9
K1002*
R1002
1M
R1003
R1001
L1002
G0B502J00005
1M
1M
2
3
C1001
0.1
1
4
K1001*
C1007
C1008
470P
470P
C1004
0.1
R1757
R5859
10K
10K
Q1765
B1ADCE000012
R1758
R1755
SWITCH
10K
8.2K
IC1701
R1717
B1ABCF000176
0
C0DAZYY00039
R1756
SHUNT REGULATOR
10K
R1708
33K
R1709
C1762
K
A
R
TH1701
0.1
0
D4CCY1040001
QR1720
R1710
B1GBCFLL0037
1.8K
SWITCH
C1704
R1706
R1721
R1711
0.1
10K
24K
2.4K
7
8
9
54
10
11
12
CN1851
AM_BP
13
SMPS_BP
PCONT
12
PCONT
11
POWER_MODE
10
SMPS_ID
A
9
SYS5V
TO
SYNC
8
SYNC
MAIN (VREG FAN)
+40V
7
+40V
CIRCUIT (CN2103)
6
+40V
IN SCHEMATIC
5
+40V
DIAGRAM - 9
R1852
20K...PN
4
POWER_GND
10K...PS
3
POWER_GND
P_GND
2
POWER_GND
1
TEMP_DET
QR1767
B1GBCFJJ0041
SWITCH
C1763
Q1766
10
SWITCH
1/2
2/2
SA-AKX660PN/PS,SA-AKX880PN/PS SMPS
10
11
12
13
14
1
2
TO SMPS
CIRCUIT (2/2)
P1
CIRCUIT
13
14
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