DOWNLOAD Panasonic SC-HC37EC / SC-HC37EE / SC-HC37EF / SC-HC37EG Service Manual ↓ Size: 11.51 MB | Pages: 127 in PDF or view online for FREE

Model
SC-HC37EC SC-HC37EE SC-HC37EF SC-HC37EG
Pages
127
Size
11.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / COMPACT STEREO SYSTEM
File
sc-hc37ec-sc-hc37ee-sc-hc37ef-sc-hc37eg.pdf
Date
PREV: Panasonic SC-HC35P / SC-HC35PC / SC-HC35EG / SC-HC35EF / SC-HC35EP / SC-HC35GN / SC-HC35GS / SC-HC35GSX / SC-HC35GT / SC-HC35PU / SC-HC35GK Service Manual / Supplement

Panasonic SC-HC37EC / SC-HC37EE / SC-HC37EF / SC-HC37EG Service Manual ▷ View online

109
14.10. SMPS CIRCUIT
I
I
SCHEMATIC DIAGRAM - 9
SC-HC37EC/EE/EF/EG
 SMPS
 CIRCUIT
A
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
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
SMPS CIRCUIT
B
TO
MAIN CIRCUIT
(CN1100)
IN SCHEMATIC 
DIAGRAM - 6
NOTE: “ * ” REF IS FOR INDICATION ONLY
AC IN
220V ~ 240V
50Hz
: +B SIGNAL LINE
K1700*
F1
ERZV10V511CS
Z1752
3
2
4
1
G0B183E00004
L1702
F1BAF1020020
C1728
D4CAA5R10001
TH1701
C1725
0.15
3
2
1
ZJ1701
P1751
K1701*
G2
G1
ZA1701*
HEATSINK
C1710
F1BAF471A013
470P
MAIN TRANSFORMER
R1726
R1724
D1708
DA22F2100L
B0EAKT000063
D1703
4.7
R1700
G1C100K00019
L1700
C1705
4700P
R1708
22
33K
R1704
4
3
1
2
PC1701
B3PBA0000503
FEEDBACK
10
C1720
R1718
22
B0BC03
2
00003
D1
7
09
D1
7
0
2
B0BC
7
R500001
C1708
1000P
C1701
50V10P
10K
R1705
3.3K
R1703
Q1701
DSA500100L
STANDBY SWITCH
C1714
0.1
R1728
8.2K
R1725
22K
R1729
22
1000P
C1704
C1716
0.01
R1727
100K
Q1700
B1ABGC000001
PCONT SWITCH
R1710
47K
3
2
1
ZJ1702
10K
R1711
0.47
C1719
R1730
6.8K
R1707
10K
4
5
1
3
2
7
6
P1700
1.2K
R1717
R1701
1.5K
22K
R1706
390K
R1716
0.1
C1709
220P
C1713
QR1700
B1GBCFJJ0051
STANDBY CONTROL
1
4
2
3
IC1701
C0DBZMC00006
SHUNT REGULATOR
1
2
3
11
10
12
6
5
8
7
9
T1700
G4DYZ0000059
C1703
25V1000P
~
-~
4
+
1
2
3
D1701
B0EBNR000049
C1702
0.22
3
1
2
D1700
B0ABSM000008
F1BAF1020020
1000P
1000P
C1727
6.8K
R1702
C1712
0.1
0.1
C1715
C1700
390P
C1706
400V100
6
7
5
2
4
3
8
1
IC1700
C0DACYY00012
SWITCHING REGULATOR
T2A 250V
D
1.5M
1.5M
18VGND
18V
18V
18VGND
BURST SW
REGION
PCONT(ECOMODE)
FB/
OLP
D
D
D
VCC
S/OCP
GND
110
15 Printed Circuit Board
15.1. CD SERVO P.C.B.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
CD SERVO  P.C.B. (REP4781A)
A
(SIDE A)
NOTE: " * " REF IS FOR INDICATION ONLY
(SIDE B)
SC-HC37EC/EE/EF/EG
CD SERVO P.C.B.
M
M
PbF
PbF
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X X
X
X
X
X
X
X
X X
X
X
X
X
X
X
C7334
IC7001
X7201
X7205
CN7801
S7201
(RESET SW)
D7341
D7342
D7343
C7102
C7107
C7142
C7151
C7152
C
7
155
C7161
C7162
C7163
C7166
C7205
C7206
C
72
13
C7216
C7217
C
72
18
C7223
C7225
C7226
C7236
C
72
3
7
C7239
C7241
C7244
C7253
C7263
C
72
64
C
72
65
C7267
C
7
340
C
7
341
C
7
501
C
7
50
2
C7613
C7615
C7616
C7725
C7735
C7741
CN7002
K7001
K7101
K
7
10
2
K7202
K
72
58
K7701
K7702
K
77
03
R
7
111
R7151
R
72
05
R
72
0
7
R7208
R7211
R
72
1
2
R
72
13
R7214
R7217
R
72
18
R7220
R7253
R7262
R7264
R7265
R7266
R7322
R7335
R
7
340
R7341
R
7
504
R
7
505
R
77
61
R7896
CN7001
C
7
003
IC7502
R7901
L7001
R7173
R7176
IC7002
IC7851
C
7
851
C
7
853
R7853
C7160
C
7
159
C
7
158
C
7
156
C
7
15
7
C
7
154
C
7
335
R
7
3
2
5
R
7
3
2
3
R7331
R7315
R7332
R
7
650
R
7
601
C
7
601
C
7
6
7
0
C7626
C7031
C
72
43
C7268
C7269
R7336
R
7
349
R
7
3
27
C7352
C7233
C
72
0
7
C7230
C7339
C7338
C7315
R7712
R
77
0
2
R
77
0
7
R
77
1
7
R7254
R7255
Q7601
R
7
3
2
9
IC7704
R
77
31
R
772
1
C
72
38
C7235
C
72
34
D7650
C7753
C7755
C7752
C7754
C
7
150
C7208
R
7
3
2
8
R
7
3
2
1
K
772
4
K7011
R7158
R
722
1
K7278
R7267
R
7
90
2
R7903
R
7
904
K7111
R
7
854
C
7
00
7
L7336
C7204
M7302*
(TRAVERSE MOTOR)
(FOR DEBUG)
(TO OPTICAL PICKUP UNIT) 
M7301*
(SPINDLE MOTOR)
3567A-1
3567A-1
3567A-1
3567A-1
1+
2-
B
C
E
144
140
135
130
125
120
115
109
108
100
95
90
85
80
73
72
70
65
60
55
50
45
40
37
36
30
25
20
15
10
5
1
1
5
4
3
2
2
4
3
1
1
2
4
6
8
29
30
27
28
25
26
23
24
21
22
19
20
17
18
15
16
13
14
11
12
9
7
5
3
10
15
10
5
1
20
24
8
7
6
5
4 3 2 1
4
1
3
2
30
29
28
22
21
15
8
14
7
1
1
4
5
8
50
46
41
36
31
26
25
20
15
10
5
1
1+
2-
TP64
TP63
TP48
TP5
TP9
TP45
TP44
TP47
TP52
TP28
TP13
TP27
TP26
TP29
TP30 TP24
TP49
TP33
TP25
TP34
TP46
TP12
TP71
TP94
TP7
TP3
TP11
TP1
TP21
TP31
TP32
TP18
TL1
TP20
TP50
TP8
TP90
TP51
TP2
TP14
TP67
TP69
TP37
TP36
TP10
TP23
TP39
TP16
TP38
111
15.2. MAIN P.C.B. (Side A)
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
MAIN  P.C.B. (REP4775CA)
B
(SIDE A)
SC-HC37EC/EE/EF/EG
MAIN P.C.B.
NOTE: " * " REF IS FOR INDICATION ONLY
PbF
R60
72
R453
R6070
L51
LB6030
C11
2
9
R6065
C1128
LB60
2
3
R6063
R443
R44
2
C11
2
3
R6058
R437
C405
R436
LB6004
C403
C40
2
C401
R6048
C400
D1101
C1119
R6044
R6043
R604
2
LB1101
C6050
C1115
LB45
2
C6049
LB451
C1113
C51
C604
7
C1111
C1110
R6030
LB404
LB40
2
R60
2
6
C1105
C1114
R60
2
4
LB51
C6040
R6023
R6022
C6034
R6137
C60
2
9
C60
2
8
R6134
C60
2
6
R61
2
8
R6010
C60
2
3
C1001
C60
22
R6124
R6123
C456
R61
2
1
R6004 ...HC37
...EC/EE/EF/EG
C601
7
R6003
R600
2
C6014
C6004
R611
2
C448
R6111
R1128
C600
2
C44
7
R6110
R1127
C446
R11
2
6
IC6004
R6105
R6104
R6103
R11
2
0
C43
7
R6099
QR1100
QR401
C435
R6097
R111
2
QR400
R6096
R1111
R6093
R609
2
R6089
R1104
L60
R60
7
6
D1113
C424
D1112
D1111
D1110
LB6003
LB6001
D1100
R61
27
LB450
C1125
3523AA-1
3523AA-1
LB405
R6001
R6000
C6000
R6015
1
4
8
5
B
C
E
B
C
E
E
B
C
G400*
G1107*
G1105*
G1104*
G1103*
G1106*
G1101*
112
15.3. MAIN P.C.B. (Side B)
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
10
11
12
13
MAIN  P.C.B. (REP4775CA)
B
(SIDE B)
SC-HC37EC/EE/EF/EG
MAIN P.C.B.
FM ANT
HEADPHONE
NOTE: " * " REF IS FOR INDICATION ONLY
USB
PbF
X
C419
ZJ1100
R452
C418
R6069
R451
C417
R6068
R449
LB60
27
C416
R6067
R448
LB60
2
6
C1130
C415
R6066
R44
7
LB60
2
5
C414
R446
LB6024
C413
R6064
R444
C1126
C41
2
LB6022
D1109
C411
R6062
LB60
2
1
C410
R6061
R441
LB6020
C1122
C409
R6060
R440
LB6009
C408
R6059
R439
LB6008
C407
R438
LB6007
C406
X6000
R6057
LB6006
X400
R6056
LB6005
C404
V
A
51
R6055
R435
T6001
R6054
R434
D1108
R6053
R433
LB6002
(TO RIGHT 
SPEAKER)
D110
7
R432
D1105
R6047
R431
LB1106
D1104
C1121
C67
R6046
R430
C11
2
0
C66
R6045
R4
2
9
LB1105
C65
R4
2
8
LB1104
C1109
C1118
R4
27
LB1103
C111
7
R426
LB1102
C6
2
R425
C61
R424
R423
R6033
(FOR DEBUG)
R422
R6032
R421
LB410
R6031
R420
R419
R6029
R418
C1108
R60
2
8
R41
7
C110
7
R416
LB401
C1106
CN6009
T1100
(SWITCHING
TRANSFORMER)
R415
LB400
C6046
CN6007
R60
2
5
LB403
R414
CN6006
R413
R6318
R412
C603
7
R411
C6036
R410
C6035
R6019
R409
R408
R40
7
R406
R6136
R405
C1104
R6135
R6014
R404
C6027
R403
R6132
R402
C6025
C1101
R401
C6024
C1100
R60
R6126
R6009
R59
C1000
CN6005
R6125
R6008
R57
JK450
C60
2
1
C459
R56
C6020
C458
R55
C6019
R6005
R54
R53
C455
R52
C454
R6119
R51
C453
C452
C6009
C451
R6114
R1131
C6005
C450
R6113
R1130
C449
R1129
C6003
JK51
CN1100
R6109
Q6004
C445
Q1101
C444
R6106
IC6003
C443
R1122
Q404
IC6002
C442
CN401
R1121
Q403
C441
Q402
IC6000
C440
R6102
Q401
C439
R6101
Q400
IC1103
C438
R6100
QR6001
IC1102
CN400
IC1101
C436
R6098
IC1100
IC450
L6006
IC401
R6094
R1110
IC400
R1108
IC52
R110
7
L1101
R6091
R1106
L1100
R6090
L40
7
L406
R6088
R1103
L405
R608
7
R1102
L404
C1132
C434
R6086
L403
C433
R1100
L40
2
C432
R6084
X6001
R480
L401
C431
R479
L400
D600
2
C430
R4
7
8
D6001
C428
R6080
R477
C4
27
R60
7
9
R476
C4
2
6
R60
77
R475
D1114
C425
R4
7
4
R6075
R4
7
3
C1131
C422
(TO LEFT 
SPEAKER)
R60
7
4
R4
72
C4
2
1
R6073
R4
7
1
C4
2
0
CN6002
R610
7
ET400*
3523AA-1
3523AA-1
LB52
JK6000
C6030
C6018
IC6005
R6011
R6006
Q6007
R6144
R6143
R6142
R6141
Q6006
Q6005
C601
2
IC6001
C605
2
B
C
E
B
B
B
B
C
C
C
C
E
E
E
E
3
2
1
1
3
2
4
3
2
1
4
3
2
1
1
5
2
3
4
6
9
8
7
6
5
4
3
2
1
1
5 3
15 13 11 9 7
17
18
10
12
14
16
2
4
6
8
1
2
29
30
27
28
25
26
23
24
21
22
19
20
17
18
15
16
13
11
14
9
12
7
10
5
8
3
6
4
14
2
1
13
12
10
10
9
8
7
6
5
4
3
7
6
5
4
3
2
1
1
1
2
3
4
5
6
7
1
2
3
4
8
7
6
5
4 3 2 1
100
95
90
85
80
76
75
70
65
60
55
51
50
45
40
35
30
26
25
20
15
10
5
1
1
2
5
4
1
2
3
8
7
6
5
4
3
2
1
1
3
2
4
5
5
4
1 2 3
1
2
8
7
6
5
4
3
2
1
1
5
7
8
10
14
5
4
1 2 3
48
45
40
37
36
30
25
24
20
13
15
12
10
5
1
16
11
6
1
B
C
E
B
C
E
1
2
3
1
4
3
2
1
5
6
5
4
1 2 3
B
C
C
B
B
C
E
E
E
8
7
11
14
4
1
TL1100
G1102*
RL400*
RL51*
RL401*
RL1100*
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