Smps Circuit - Panasonic SA-PM250EB Service Manual

13.9. SMPS CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 8
A
G SMPS CIRCUIT
: +B SIGNAL LINE
B
R1731
0
L1703 C1738
0.1
G0A100H00018
C1731 C1732 R1735
R1732
16V22 22 10
47K
C1739
390P
R1733
10K
C
P1700
D
R1737 J0JGC0000063
5.2V 1
DGND 2
R1738 J0JYC0000656
B PCONT 3
TO
16V 4
MAIN (SUPPLY)
16VGND 5
CIRCUIT (CN1100)
16V 6
IN SCHEMATIC
16VGND 7
DIAGRAM - 3 R1707 3.9K
REGION 8
PCONT3 9
BURST SW 10
E
R1740
J0JYC0000656
R1710
F
47K
R1725
22K
R1729
22
B1ABGC000001
G
R1727 C1716
100K 0.01
NOTE: " * " REF IS FOR INDICATION ONLY
H
1 2 3
4 5 6
IC1702
C0DBAYY01996
+5.2V VOLTAGE REGULATOR
1 BOOT SS 8
2 VIN 7
EN
C1733
0.1
SW
3 COMP 6
(VOUT)
C1736
0.1
4 GND FB 5
T1
C1737
10
R1736 T1700
LB1700
0
J0JGC0000063 G4DYZ0000077
TRANSFORMER
12
D1700
B0ABSM000008 11
10
1 2 3
9
8
7
C1703
C1710
25V1000
470P
R1717
1.2K
R1701
Q1701 1.5K
DSA500100L
SWITCH
R1706
C1714 C1709
0.1 22K
0.1
R1711
R1716
10K
R1705
R1703 390K
3.3K 10K
QR1700
4 3
B1GBCFJJ0041
R1728
STANDBY CONTROL
8.2K
IC1701
C0DBZMC00006
SHUNT REGULATOR
1 2
Q1700
PCONT
R1730
6.8K
C1704
1000P
1 2 3
ZJ1702
4 5 6
7 8 9
D1701
B0EDLR000001
1 4
C1706
400V82
2 3
1
R1704 C1705
33K 4700P
2
R1708
3 22
D1703
B0EAKT000063
5
R1700 D1708
L1700
4.7 DA22F2100L
G1C100K00019
6
C1701
50V10
8 7 6
C1720
10P
1 2 3
1 4
2 3
C1708 R1718 C1740
0.22
1000P 0.1
PC1702
B3PBA0000579
7 8 9
54
10 11 12
R1726
L1702
1M
G0B922G00002
Z1752
K1700*
D4EAY511A182
2 1
C1702
0.22
C1725
3 4 K1701*
0.1
R1724 F1700
1M C1727 C1728
T2A 250V
1000P 1000P
1 2 3
ZJ1701
5
IC1700
C0DACYY00012
SWITCHING REGULATOR
4
C1715 C1712
0.1
0.1
C1700
R1702
390P
6.8K
SA-PM250EB/EC/EE/EF/EG
10 11 12
13 14
A
B
P1751
AC IN
C
220V ~ 240V 50Hz
D
E
F
G
SMPS CIRCUIT
H
13 14