Read Panasonic SC-HC4EP Service Manual online
114
18.6. SMPS P.C.B., AC IN P.C.B. and USB P.C.B.
1
2
3
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6
7
8
9
A
B
C
D
E
F
G
H
10
11
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13
N
O
SMPS P.C.B. (REPX0755C)
AC IN P.C.B. (REPX0755C)
SC-HC4EP
SMPS/ AC IN/ USB P.C.B.
NOTE: " * " REF IS FOR INDICATION ONLY
USB P.C.B. (REPX0720A)
P
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3
1
2
3
1
B
C
E
B
C
E
PbF
1+
2~
3~
4-
1+
2~
3~
4-
PbF
AC IN
CAUTION
RISK OF ELECTRIC SHOCK
AC VOLTAGE LINE.
PLEASE DO NOT TOUCH THIS P.C.B
PbF
C701
C707
C708
C709
C712
C714
C717
C733
C734
C735
D703
D711
D714
D718
IC705
PC701
Q701
Q703
R702
R703
R704
R706
R709
R71
1
R712
R714
R717
R721
R722
R723
R724
R737
R739
R740
R742
R743
R701
R705
R707
R751
C754
PC751
R752
C757
C758
R756
R757
R758 R759
R760
R716
D752
C756
R753
R754
R755
R725
JW753B*
JW751B*
JW752B*
R726
R715
R720
R710
JW707A* JW708A*
JW707B*
JW708B*
C703
C705
C710
C711
C713
C727
D701
D702
D704
D705
D706
D708
IC701
IC702
R708
R718
R738
TH701
ZJ701
W2
W4
W7
W6
W5
T701
RY701
C716
W1
W9
C706
ZA721* (HEATSINK)
ZA723* (HEATSINK)
ZA722* (HEATSINK)
C702
T751
IC752
K753
D751
D753
D754
CN905
C751
C753
CN906
IC751
C755
C728
C759
D755
D756
W8
W10
(MAIN TRANSFORMER)
(SUB TRANSFORMER)
P751
F751
ZA751
ZA752
L751
Z752
C730
C725
R727
W701
JW752A*
JW751A*
JW753A*
220V-240V 50Hz
T1.6AL 250V
3342BA
3342BA
3342BF
3342BF
K755
K754
L702
K10
W702
W703
W704
W705
C736
LB850
LB848
LB846
LB845
LB843
LB841
LB840
LB938
LB936
LB935
LB934
LB933
LB932
LB930
LB852
R903
LB951
R952
R953 R955
R954
C951
C952
R951
R950
R957
IC900
C903
C913
R906
C91
1
C912
R972
R971
C914
R902
R904
R901
C908
C907
C905
R914
C901
L900
C902
W18
W15
W19
W17
LB952
R958
W21
W22
R907
W23
P901
P903
USB PORT
C953
C931
X900
C906
C915
C904
W12
W7
W8
W1
1
W10
W5
W13
W9
W4
W3
W6
0622A-1
0622A-1
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5
4
3
1
3
1
4
3
2
1
1
10
4
1
1
4
5
8
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3
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5
4
3
2
1
4
3
2
1
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9
3
2
3
2
7
2
1
2
3
4
2
1
4
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
21
64
49
54
59
48
33
38
44
32
17
22
27
16
1
5
10
5
6
4
3
2
1
1
6
5
4
3
2
PRIMARYSECONDARY
7
8
9
10
1
6
5
3
2
PRIMARY
SECONDARY
11
12
9
10
7
8
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