Panasonic SC-HC20GA, Service Manual

Page: 93 / 115

93
17.9. SMPS CIRCUIT
A
B
C
D
E
F
G
H
1 2 3 4 5 6 7 8 9 10 11 1 2 13 14
1 2 3 4 5 6 7 8 9 10 11 1 2 13 14
A
B
D
E
F
H
G
C
1
8
: +B S IGN A L LINE
S C-HC 2 0G A /GN S MP S CIRCUIT
S MP S CIRCUIT
S CHEM A TIC DI A GR A M - 9
TO
M
A IN CIRCUIT
(P100)
IN
S CHEM A TIC
DI A GR A M - 5
C 72 5
F0C A F104 A 105
0.1
D 7 53
B0 JA MF000011
3 2 1
Z J 1
R 7 43
5. 6
C 7 10
F1B A F10 2 00 2
1000P
2 . 2 K
R 7 15
Z A7 5 2 Z A7 51
ERZ V 10 V 511C S ...GN
ERZ VA 5Z4 7 1...G A
Z 7 5 2
C 7 14
0.33
R 7 1 2
100
P 7 51
C 7 18
0.33 50 V 1
C 7 13
C 7 1 2
1000P
6 80
R 7 1 7
TH 7 01
D4C AA 5R10001
~
-
~
4
+
1
D 7 01
B0EBKR0000 67
F1B3 A22 1 A 0 27
22 0P
C 7 31
A C4
F0C A F104 A 105
0.1
C 7 0 2
A C3
1K
R 7 14
G 2 G1
Z A7 00*
B0H AJ M000005
D 7 5 2
62 0K
R 7 44
4
5
2
3
1
IC 7 0 2
MIP 2 G40MD S L J
D 7 18
0.01
0.01
C 7 05
C 7 0 6
35 V22
C 7 11
R 7 4 2
R 7 0 2
D 7 08
B0H AJ M000005
4
3
1
2
PC 7 01
B3PB A 0000550
11
13
1 2
10
8
6
7
9
18
1 6
1 7
1
4
3
2
T 7 01
ET S2 5BF11 6A D
5
6
1
3
4
2
8
7
CN905*
G 2 G1
Z A7 01*
3 1 2
D 7 0 2
B0 A B S M000008
39K
R 7 09
0.1
C 7 09
R 72 0
10K
R 7 1 6
4 7 K
C 72 8
F1B A F10 2 00 2 0
1000P
3 2 1
Z J7 01
A C4
A C3
C 727
F1B A F10 2 00 2 0
1000P
0
R 7 11
6 8K
R 7 10
C 7 03
2 5 V 1000
C 7 1 7
0.1
B0BC3R0 A 0 262
D 7 03
C 7 33
10
R 7 04
TH 7 0 2
D4CC11040013
A R
3 2
C
1
IC 7 01
C0D A EMZ00001
22 0P
C 7 01
3
2
4
1
L 7 0 2
C 7 04
22 0P
C 7 53
10 V 1000
D 7 51
M A2J72 90GL
2
4 3
1
L 7 03
G0B9R5K0000 7
10 V
10 V
SYS 5 V
SYS 5 V
10 V GND
10 V GND
M a in V _DET
TEMP DET
FRD
U10 A2 CIC
FRD
CL
V D
FB
D
S /GND
400 V6 8
V cc
G0B453G00003
T1. 6A L 2 50 V ...GN
T3.15 A L 2 50 V ...G A
F 7 51
A C IN
1.8K
15
14 5
7
6 8K
6 8K
2
3
110- 2 40 V 50/ 6 0H z ...G A
22 0- 2 40 V 50H z ...GN
S HUNT REGUL A TOR
M A IN TR A N S FORMER
S WITCHING POWER S UPPL Y
CONTROL
FEED B A CK
R 72 8
1.5M
R 7 30
1.5M
R 72 9
1.5M
TH 7 0 2
D 7 05
B0E A KU000001