Read Panasonic SC-HC55EG Service Manual online
127
15.14. SMPS CIRCUIT
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 13
SC-HC55EG SMPS
CIRCUIT
: +B SIGNAL LINE
TO
MAIN CIRCUIT
(CN1004*)
IN SCHEMATIC
DIAGRAM - 6
MAIN CIRCUIT
(CN1004*)
IN SCHEMATIC
DIAGRAM - 6
NOTE: “ * ” REF IS FOR INDICATION ONLY
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
+
-
10M
R748
R746
220K 27K
220K 27K
R743
C717
0.15
10M
R745
10M
R732
120
R714
0
R712
B3PBA0000503
FEEDBACK
FEEDBACK
PC702
R723
39
D717
B0JCME000035
D708
B0HCMM000019
2200P
C710
F1BAF2220023
C720
100P
1
2
3
5
6
T701
ETS28BT11GAC
MAIN TRANSFORMER
R725
100
R722
33K
0.22
C718
F751
Z752
ERZVA5Z471
F0CAF104A105
0.1
C725
F0CAF104A105
0.1
C702
F1BAF1020020
1000P
C728
F1BAF1020020
1000P
C727
P751
R726
1.5M
1.5M
3
2
4
1
L702
G0B183E00004
3
2
1
ZJ701
10
R
72
1
0.15
R718
C706
400V100
C705
0.01
0.01
B0ACMQ000002
CURRENT LIMITING SWITCH
D707
R703
68K
R704
68K
S
D
G
B1KAB0000021
Q701
220pF
C731
R724
1.5M
1.5M
1
2
3
4
D701
B0EBNR000045
0
R
7
08
3.3
R
7
19
G2
G1
TH702
D4CC11040013
4.
7
M
R
7
44
0.
22
C
7
1
6
0.1
C721
R701
1K
C723
1000P
47K
1
2
4
3
C0DBZMC00006
SHUNT REGULATOR
IC701
4
3
1
2
PC701
B3PBA0000503
C
7
15
1000P
R749
10K
C713
50V4.7
D715
B0BC02900004
C711
0.1
1K
R747
6
7
5
2
4
3
8
1
IC700
C0DBZYY00448
SWITCH-MODE
POWER SUPPLY CONTROLLER
C703
25V1000
150K
R710
R716
0.1
C709
C714
1000P
R706
1K
C
7
1
2
0.1
2
4
3
1
6
5
CN905
330
R717
C704
220P
G2
G1
ZA701*
HEATSINK
1
2
B0ABSM000008
D702
R702
47
3
2
1
ZJ702
R720
24K
1.5K
R728
VCC
GND
DRIVER
ISENSE
T3.15A 250V
18V
18V
PRELOAD
FRD
FRD
18VGND
STBY_CTRL
18VGND
OPTMR
PROT
VINS
CTRL
3
7
8
9
10
GND
GND
+18.4V
+18.4V
GND
VCC
4
3
1
2
AC IN
220-240V 50Hz
K4*
K5*
2.2K
R727
C722
56P
ZA700*
HEATSINK
TH701
D4CAA5R10001
