Smps Circuit - Panasonic SC-HC3P Service Manual

17.10. SMPS CIRCUIT

1 2 3
SCHEMATIC DIAGRAM - 10
A
SMPS CIRCUIT
B
CN906
TO
15VGND 1
D-AMP CIRCUIT
15VGND 2
(CN4)
15V 3
IN SCHEMATIC
15V 4
DIAGRAM - 9
IC705
C0EBJ0000336
VOLTAGE DETECTOR
C
CN905
10
15V 1
15V 2
15VGND 3
TO
15VGND 4
MAIN CIRCUIT
PCONT1 5
(CN100)
R739 100
MAINV_DET 6
IN SCHEMATIC
TEMP DET 7
DIAGRAM - 3
B.P 8
SYS5V 9
VSS 10 C759
1
D 16V1000
D756
B0JAMF000011
E
JW708B*
JW707B*
F
JW707A*
JW708A*
G
K9
0
H
1 2 3
4 5 6
: +B SIGNAL LINE
C703 R703
200V330 1K
R725 R726
5 4
1.5K 270
C733
NC NC
10
OUT VCC GND
C0DAEMZ00001
1 2 3
R738
68
C717
1
R722
1.5K
R708
R724
68
1K
Q701
R710 R711
B1ABEC000010
R737 1.5K
3.9K 12K
SWITCH
Q703
B1ABCF000176
R721
4.7K PCONT SWITCH
R723
47K
SYSGND
SYS5V
SYS5V
C753
10V1000
SYSGND
C
1
C756
IC752 0.1
3
C0DAEMZ00001
A
R754
R753
SHUNT REGULATOR 10K
470
2
R
4 5 6
7 8 9
D702
T701
B0HBSM000052
G4DYA0000139
SBD FRD
MAIN TRANSFORMER
12 1
1 2 3
11 2
C701 C705
0.01 0.01
10 3
R743
120
9
D703
MAZ80300LL
8 5
R701
D704
120
B0ZAZ0000052
R704
7 6
1K
IC701
SHUNT REGULATOR
R A C
2 3 1
C710
F1BAF471A013
470P
R720
2.7K
C709 R716
0.1 10K
R717
1.2K
PC701
B3PBA0000454
FEED BACK
1 4
R715
1K
2 3
RY701
K6B1AEA00017
3 1
D714
MA2J11100L
4 2
T751 D751 R751
B0EAMM000057 22
ETS19AB221AG
BACKUP TRANSFORMER
6
D753
B0JAMF000011
7 5 C754 R752
100K
2200P
4
8
D754
B0HAMP000094
9 3
10 2
1
PC751
B3PBA0000454
FEED BACK
2 3
R758 R759 R760
R755
10K 0 1K
2.2K
1 4
7 8 9
100
10 11 12
D701
B0EBNR000015
TH701
D4CAA5R10001
1 C702
ECQU2A104MLC
0.1
R702
33K
2
R742
3
33K
C706
200V330
4
ZA723* ZA722*
3
R707 R705
18K 15K
G1 G2 G1
1 2
IC702
R740 C0DAAMH00013
1.8K
SWITCHING REGULATOR
D705 D706
B0HAJM000005 B0HAJM000005
7
R709
1.8K C707
C708
6
220P 4700P
R712
0
5
C714 D718
0.022
MAZ83000ML
4
D708 C735
0.022
B0HAJM000005
C712 C713 3
C711 C734
470P 50V1
35V22 4700P
2
C716
1500
1
R714
1K
R706 R718
100 22
D711
B0BC6R100010
D752
B0EDKT000009
1 4
C751
250V33
C755
50V1
2 3
C727
F1BAF471A013
470P
5 7 8
D S S
IC751
MIP2F20MSSCF
SWITCHING REGULATOR
VCC CL FB Vdd
4 3 2 1
C758
C757 0.1
1000P
R756
470K
R757
15K
10 11 12
13 14
A
B
ZA721*
HEATSINK(S)
G2 G1 G2
C
OCP/BD
FB
OLP/SS
VCC
S/GND
D
NC
D
E
JW751B*
AC1
TO
AC IN
CIRCUIT
F
JW752B*
IN SCHEMATIC
AC2
DIAGRAM - 8
C728
F1BAF471A013
470P
TO
AC IN CIRCUIT
JW753B*
ACG
(JW753A*) G
IN SCHEMATIC
DIAGRAM - 8
1 2 3
ZJ701
SC-HC3P/PC SMPS CIRCUIT
H
13 14