Smps Circuit - Panasonic SC-HC395EG Service Manual

12.12. SMPS CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 11
A
G SMPS CIRCUIT
: +B SIGNAL LINE
B
ZA1701*
HEATSINK
G1 G2
P1700
19V 7
B
19VGND 6
TO
19V 5
MAIN (SUPPLY)
C
CIRCUIT (CN1100) 19VGND 4
IN SCHEMATIC REGION 3
R1707
PCONT3 2
DIAGRAM - 4
15K
STANDBY CTRL 1
D
E
R1725
22K
R1727
100K
F
Q1700
C1716
B1ABGC000001
0.01
PCONT
G
H
NOTE: " * " REF IS FOR INDICATION ONLY
1 2 3
4 5 6
C1710
470P
D1700
B0ABSM000008
12
11
1 2 3
10
9
8
7
C1703 C1713
25V1000 220P
T1700
G4DYZ0000077
TRANSFORMER
R1717 PC1702
1.2K B3PBA0000579
FEEDBACK
Q1701
R1701
1
1.5K
DSA500100L
SWITCH
2
R1706 C1709
C1714
0.1 22K 0.1
R1716
R1703
R1710 R1711
R1705 390K
3.3K
56K 10K
10K
4 3
R1728
8.2K
IC1701
C0DBZMC00006
R1729 QR1700
22
SHUNT REGULATOR
B1GBCFJJ0051
STANDBY CONTROL
R1730 1 2
15K
C1704
1000P
1 2 3
ZJ1702
4 5 6
7 8 9
1
2
D1701
B0EBLR000034
3
4
1
R1704 C1705
33K
4700P
2
R1708
22
3
D1703
B0EAKT000063
5
D1708
L1700
G1C100K00019 DA22F2100L
6
R1700
4.7
C1701
35V10
IC1700
C0DACYY00012
SWITCHING REGULATOR
8 7 6 5
D D D D
C1720
10P
S/OCP VCC GND FB/OLP
1 2 3 4
4
C1712
0.1
3
D1702
DZ2J075M0L
R1702
6.8K
C1708 R1718
1000P 0.22
7 8 9
73
10 11 12
R1726
L1702
1M
G0B922G00002
Z1752
ERZVA5Z471 K1700*
2 1
C1702
0.22
C1725
3 4 K1701*
0.1
F1
C1727 C1728
R1724
T2A 250V
2200P 2200P
1M
C1706
200V82
1 2 3
ZJ1701
ZA1702*
HEATSINK
C1700
G1 G2
220P
C1715
0.1
SC-HC395EG, SC-HC397EB/EG SMPS
10 11 12
13 14
A
P1751
AC IN B
220V ~ 240V
50Hz
C
D
E
F
G
CIRCUIT
H
13 14