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10.3. Power Supply
P1001
AC INLET
L1001
L1002
4
3
4
3
1
2
1
2
DZ1001
F1001
IC1201
D1203
PFC CONTROL
VCC 7
FREQ 4
L1201
D1201
PFC
INDUCTOR
BOP
5
GATE 8
SWITCH
Q1103
VSENSE
6
SMPS P.C.B.
IC1402
SWITCHING MODE POWER
SUPPLY CONTROL
T1401
TRANSFORMER
CL 3
D1416
D1404
VCC 4
6
8
5
7
F1401
2
10
D1405
9
D1403
D 5
3
4
IC1601
SHUNT
REGULATOR
Q1404
FB 2
FEEDBACK
CIRCUIT
VDD 1
Q1403,Q1702
D1406
SYNC
CIRCUIT
D1001
D1402
Q1405
PCONT
3
2
Q1402
D1205
D1204
SWITCH
4
1
Q1701
AM BP
3
2
Q1206
SWITCH
4
1
T1501
TRANSFORMER
8
7
F1501
3
12
D1506
11
VSEN 2
5
10
VC1 1
9
Q1501
VGH 16
SWITCH
VS 15
Q1502
VGL 11
SWITCH
CS1 7
CS2 8
D1502
VB 14
D1503
VC2 10
FB
5
FEEDBACK
CIRCUIT
IC1501
SWITCHING
POWER SUPPLY
IC1701
SHUNT
REGULATOR
Q1505
PRIMARY
SECONDARY
SA-AKX660PN/PS,SA-AKX880PN/PS POWER SUPPLY (1/3) BLOCK DIAGRAM
36
D1601
SYS5R0V
1
Q1765,Q1766
QR1767
TEMP
TEMP DET
2
DET
TH1701
SYNC
3
PCONT
4
QR1601
PCONT
AM BP
5
QR1701
SWITCH
TO POWER SUPPLY
POWER MODE
6
QR1720
SWITCH
D1705
+38.5V
7
D1703
BLOCK (2/3)
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