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

105
14.6. MAIN CIRCUIT (3/4)
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
K
L
J
M
O
P
N
2/4
4/4
1/4
3/4
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
TO MAIN
CIRCUIT (1/4)
NOTE: “ * ” REF IS FOR INDICATION ONLY
TO MAIN
CIRCUIT (4/4)
SC-HC37EC/EE/EF/EG
MAIN
 CIRCUIT
1
30
TO
CD SERVO
CIRCUIT
(CN7002)
IN SCHEMATIC
DIAGRAM - 2
FM ANT
32
33
34
35
36
37
38
40
41
42
2
1
19
P
2
18
1
7
16
15
14
13
1
2
11
7
6
TO
REMOTE SENSOR
CIRCUIT (P944)
IN SCHEMATIC
DIAGRAM - 7
D
A
10
9
8
39
RL51*
: AUDIO OUTPUT SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
: -B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: TUNER AUDIO INPUT SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
5
6
4
1
2
3
9
11
13
14
12
10
7
8
D+
NC
S
IPOD+
OE
VCC
NC
GND
D-
NC
NC
U
S
BD+
U
S
BD-
IPOD-
3
1
2
4
5
VOUT
VIN
EN
GND
/FLAG
Q6004
Q6004
B1ADCE000012
1K
1K
R6059
R6061
R6102
3.3K
R60
77
4
7
K
0.0
22
0.0
22
C603
7
L6006
J0JHC0000034
R6080
1.5K
C6036
CD_RESET
RESET_SW
C6034 1000P
C6009
10
0.1
C6003
R6005
51
R6009
51
iPod_OVC
iPod_PCONT
4
3
1
2
EXC24CE900U
T6001
4
5
2
3
1
IC6000
C0DBZYY00483
HIGH SIDE SWITCH
IC6000
R478
220
DAMP_SLEEP
DAMP_MUTE
R479
220
DAMP_ERR
J0JCC0000079
C418
47P
R476
220
CLK_DAMP_SCL
DAMP_SDA
3
1
2
4
5
IC401
C0CBCAC00358
+1.8V VOLTAGE REGULATOR
C424
1
1
C425
R475
220
CLK_CD_BCK
CLK_CD_SCLK
CD_LDSW
USB_IN
CD_IIS_SDO
CD_M_REQ
CD_TRV
CD_SO
CD_S_REQ
CD_SI
CLK_CD_LRCK
I2S_OFF
SWITCH
LID_LEFT
M+
M-
LID_RIGHT
C419
47P
220
R477
R444
47K
R449
47K
R412
1M
R413
1.5K
2
3
1
4
X400
1000P
1000P
C454
C426
12P
C427
15P
C455
C6040
10
6
7
5
9
25
24
26
21
20
22
17
18
13
10
12
11
16
14
15
19
23
28
27
8
1
3
4
2
29
30
CN6006
LB1101
J0JHC000010
7
1
3
2
CN6002
R403
R414
C404
1
C403
10
R448
560
TUN_
S
DO
CLK_CD_LRCK
TUN_BCK
R44
7
1K
CLK_CD_BCK
R4
7
3
22
0
22
0
TUN_LRCK
R4
7
1
22
0
R4
72
22
0
100
R41
7
R56
220
R57
1K
R55
220
L60
0
R52
560
R51
2.2K
0.1
C61
R59 2.2K
R60 2.2K
C67
3P
33P
C66
C65
0
R54
4.7K
R53
4.7K
L51
C51
1000P
V
A
51
LB51
J0JBC0000032
LB52
2
1
4
1
2
14
T1
17
19 18
16
15
20
3
1
3
THERMAL
PAD
1
1
5
10
7
8
9
6
IC52
C1AB00003569
FM RADIO RECEIVER
0.1
C62
G2
G3
1
G1
JK51
CLK_
A
P_LRCK
CD_II
S
_
S
DO
CLK_TU_
S
CL
TU_
S
D
A
TU_INT
TU_R
S
T
1K
R446
C405
10
10
R415
100
100
100
100
27
0K
R480
1000P
C458
D
A
MP_RE
S
ET
R4
7
4
C401
10
J0JCC0000079
LB402
C400
G400*
R416
CLK_
A
P_BCK
A
P_
S
DO
PDET
2
10
C402
1000P
C459
0.1
C416
4
5
T1
45
2
1
3
32
34
36 35
33
41
43
37
38
39
40
42
44
46
47
48
8
16
9
6
7
27
25
22
23
20
19
21
24
26
18
15
14
13
17
30
31
28
29
11 12
10
IC400
C1AB00003800
DIGITAL SIGNAL
PROCESSOR
IC400
GND
DGND
7.5V
RESET SW
M-
5V
5V
M+
LDSW
3.3V
DGND
DGND
LID_LEFT
USB_SEL
PGND
I2S OFF
LID_RIGHT
USB_IN
ON/OFF
IN
NC
OUT
/OC
EN
VOUT
VIN
GND
CD_IIS_LRCK
CD_IIS_BCLK
CD_IIS_SRDATA
CD_SI / MDATA
CD_SO / STAT
CD_MREQ / MLD
CD_SCLK / MCLK
TRV
OPEN_SW
CD RESET / RST
CD_SREQ / BLKCK
PROT_N
DVSSr
[38] REFA
[37] AVSS
NC
MUTE_N
OUTML
OUTPL
PV
SS
L
PVDDML
PVDDMR
PVDDPL
OUTPR
OUTMR
PV
SS
R
NC
SLEEP_N
TESTR
PLLV
SS
IC_N
IOVDD
NC
AP_SDO
XIN
[48] AP_BCK
THERMAL
PAD
DV
SS
A
DC_
S
DO
CD_
S
DO
[1] DVDD18
[2] AP_LRCK
CD_BCK
CD_LRCK
PLLVDD
A
DC_BCK
A
DC_LRCK
NC
DVSS
[26] PVDDPR
[25] NC
WCK
BCK
TESTB
SCL
SDA
XOUT
DVDD18
IOVDD
IRQ_N
DOUT
DFS
FMI
S
DIO
VDD
VIO
RST
S
EN
S
CLK
GND
AMI
RFGND
RCLK
J0JYC0000118
RIN
GCGPO
2
LIN
DCLK
NC
NC
GCGPO1
G1CR18JA0020
DGND
D+
D-
LB403
USB_DP (+)
USB_DM (-)
R6011
75K
C6030
4.7
R6001
51K
R6000
51K
C6018
0.1
IC6001
IC6001
C0JBAR000586
MULTIPLEXER
C601
2
 0.1
IC6005
C0BDZYY00381
POWER SWITCH
Q6005
B1ABCF000176
SWITCH
Q6006
B1ADCF000001
SWITCH
Q6007
B1ADCF000001
SWITCH
R6141
4.7K
R6142
4.7K
R6143
5.6K
R6144
2.2K
U
S
B_EN
U
S
B_OVC
R6006
43K
106
14.7. MAIN CIRCUIT (4/4)
I
K
L
J
M
O
P
N
15
16
17
18
19
20
21
22
23
24
25
26
27
28
2/4
4/4
1/4
3/4
B
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 6
TO MAIN
CIRCUIT (2/4)
NOTE: “ * ” REF IS FOR INDICATION ONLY
TO MAIN
CIRCUIT (3/4)
SC-HC37EC/EE/EF/EG
MAIN
 CIRCUIT
1
14
TO
REMOTE
SENSOR
CIRCUIT
(CN941)
IN SCHEMATIC
DIAGRAM - 7
32
33
34
35
36
37
38
40
41
42
22
2
3
2
4
2
6
P3
27
2
8
2
9
30
31
TO
SMPS CIRCUIT
(P1700)
IN SCHEMATIC
DIAGRAM - 9
I
D
39
TL1100
RL1100*
: AUDIO OUTPUT SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
: -B SIGNAL LINE
: CD AUDIO INPUT SIGNAL LINE
: TUNER AUDIO INPUT SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
6
7
T1
5
2
4
3
8
THERM
A
L P
A
D
1
COMP
EN
VIN
FB
GND
SW
(VOUT)
SS
BOOT
6
7
T1
5
2
4
3
8
THERM
A
L P
A
D
1
COMP
EN
VIN
FB
GND
SW
(VOUT)
SS
BOOT
DZ
2
J06
2
M0L
D1114
1
C1000
G1101*
G1106*
R1131
10
1000P
C1129
R1129
100K
R1130
33K
C1104
16V120
R1106
39
C1126
0.022
G1C100M00041
L1100
G1103*
G1104*
C1117
1000P
D1100
DA2J10100L
D1101
DA2J10100L
C1107
22
G1C100M00041
L1101
10
C1118
10
C1105
10
C1114
LB1104
J0JHC0000107
R1128
100K
5.6K
R1111
C1108
0.047
C1115
5600P
3.3K
R1112
R1107
82K
15K
R1108
IC1100
C0DBAYY01462
+5V VOLTAGE SWITCHING REGULATOR
C1111
4700P
C1113
0.047
470K
R1127
1000P
C1001
25V100
C1121
LB1105
J0JHC0000107
4
5
1
3
2
7
6
CN1100
C1109
R1110
C1110
1000P
IC1101
C0DBAYY01462
+9V SWITCHING
REGULATOR
DZ
2
J06
2
M0L
D111
2
10
C1106
R1104 4.
7
K
R110
2
33K
R1103
15K
PCONT
PDET1
DC DETECT
STBY_CTRL
M_VDET
SMPS_REGION
QR1100
QR1100
B1GBCFNN0038
DZ
2
J110M0L
D1113
M-
POS_SW_ABN
M+
CD_LDSW
POS_SW_RIGHT
POS_SW_CENTRE
LB1103
J0JHC0000107
D1104
D1105
B0ECKM000008
R1100
10K
2.2
C1101
G1102*
iPod_DET
8
9
11
12
10
2
5
6
3
4
1
7
14
13
CN6005
POS_SW_LEFT
REM_IN
C1100
C6050
1000P
LB6030
J0JBC0000014
2.2
3
1
2
4
5
IC1103
C0DBGYY01843
+3.3V VOLTAGE REGULATOR
G1105*
3 21
ZJ1100
C1123
2200P
G1107*
3
1
2
4
5
IC1102
C0DBEYY00146
+3.3V VOLTAGE REGULATOR
4.7
C1122
J0JHC0000107
LB1106
C1120
4.7
0.022
iPod_5V
iPod_GND
DGND
REM_IN
STDBY3.3V
iPod_5V
iPod_DET
POS_SW_ABN
M+
M-
INTERLOCK_SW
39
18V
18V
REGION
18VGND
18VGND
BURST SW
PCONT
GND
NC
CE
CE
GND
ADJ
VOUT
VIN
POSITION(LEFT)
POSITION(RIGHT)
POSITION(CENTER)
B0ECKM000008
VOUT
VIN
C1119
0.047
C1125
1000P
J0JHC0000107
LB1102
107
14.8. iPod & REMOTE SENSOR CIRCUIT
C
C
D
SCHEMATIC DIAGRAM - 7
 iPod / REMOTE SENSOR
 CIRCUIT
SC-HC37EC/EE/EF/EG
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
iPod CIRCUIT
REMOTE SENSOR CIRCUIT
TO
REMOTE
SENSOR
CIRCUIT
(P945)
IN SCHEMATIC
DIAGRAM - 7
DOCK FOR iPod / iPhone
1
14
TO
MAIN CIRCUIT
(CN6005)
IN SCHEMATIC
DIAGRAM - 6
TO
INTERLOCK SWITCH
CIRCUIT (P641*)
IN SCHEMATIC
DIAGRAM - 8
TO
MOTOR CIRCUIT
(CN931)
IN SCHEMATIC
DIAGRAM - 8
TO
MAIN CIRCUIT
(CN6002)
IN SCHEMATIC
DIAGRAM - 5
TO
iPod CIRCUIT
(CN501)
IN SCHEMATIC
DIAGRAM - 7
B
B
F
G
C
D
: iPod/iPhone/USB SIGNAL LINE
: +B SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
: +B SIGNAL LINE
J0JGC0000034
L502
L504
J0JHC0000107
L506
J0JGC0000071
C502
0.1
AUDIO_RETURN
iPod_DET_1
L503
J0JGC0000071
6
7
5
9
8
25
24
26
21
22
17
13
10
12
11
16
14
15
19
20
18
23
28
27
1
G3
G1
3
4
2
G5 G7
G2 G4
30
29
G6
CN502
2
3
1
5
4
CN501
C501
0.1
C503
0.1
RX
DGND
FW GND
RESERVED
ACC PWR
USB D-
USB D+
FW GND
FW TPA+
USB PW
FW TPB-
FW TPB+
FW TPA -
USB_GND
FW PWR +12V
FW PWR +12V
RESERVED
TX
IN - R
OUT-R
OUT - L
ACC-DET
IN - L
VIDEO-COMP
S-VIDEO (C)
S-VIDEO (Y)
D GNDREM SENSE
D+
DGND
D-
iPod_DET
2
3
1
5
4
P945
1
3
2
P944
2
1
4
3
P942
2
3
1
5
4
P941
C941
1
8
9
11
12
10
2
5
6
3
4
1
7
14
13
CN941
R941
33
R942
0
G2
RMT
DGND
VREF
2
1
3
G1
IR941
REMOTE CONTROL
SENSOR
D-
D+
iPod_5V
iPod_DET
DGND
M+
REM_IN
VREF-
iPod_GND
D+
D-
DGND
M-
M+
VREF-
iPod_5V
VREF-
iPod_5V
iPod_DET
M-
POS_SW_ABN
POS_SW_ABN
INTERLOCK_SW
INTERLOCK_SW
POSITION (L)
POSITION (R)
POSITION(LEFT)
STDBY3.3V
POSITION(RIGHT)
POSITION (C)
POSITION(CENTER)
iPod_5V
108
14.9. PANEL, INTERLOCK SWITCH, MOTOR & BUTTON CIRCUIT
E
E
SCHEMATIC DIAGRAM - 8
PANEL / INTERLOCK SWITCH / MOTOR / BUTTON
 CIRCUIT
SC-HC37EC/EE/EF/EG
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
PANEL CIRCUIT
H
BUTTON CIRCUIT
G
MOTOR CIRCUIT
F
INTERLOCK SWITCH CIRCUIT
H
E
TO
BUTTON
CIRCUIT (CN901)
IN SCHEMATIC 
DIAGRAM - 8
TO
PANEL CIRCUIT
(CN6801)
IN SCHEMATIC 
DIAGRAM - 8
TO
MAIN CIRCUIT
(CN6007)
IN SCHEMATIC 
DIAGRAM - 4
1
18
D
TO
REMOTE SENSOR
CIRCUIT (P941)
IN SCHEMATIC 
DIAGRAM - 7
D
TO
REMOTE SENSOR
CIRCUIT (P942)
IN SCHEMATIC 
DIAGRAM - 7
B
NOTE: “ * ” REF IS FOR INDICATION ONLY
CK911
: +B SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
+
LOADING
MOTOR*
C6820
1
C6801
35V22P
21
5
6
3
1
2
4
19
9
7
8
16
17
11
10
12
15
14
13
18
20
35
37
38
39
40
41
43
44
42
36
33
22
31
29
27
24 23
26 25
28
30
32
34
IC6801
C0HBB0000057
FL DISPLAY DRIVER
R6804
39K
18
13
11
10
6
5
8
2
1
9
7
12
15
14
17
16
34
30
28
29
31
35
22
19
21
20
27
25
2324
26
A2BB00000185
FL DISPLAY
FL6801
3
2
6
7
4
5
1
9
8
CN6801
0.1
C6827
SEG3
SEG2
S
EG11
P6
S
EG1
2
SEG8
SEG6
SEG7
P16
P8 P9
P13
P15
P14
P11
P10
P12
F-
F-
P18
P17
S
EG9
P7
S
EG10
SEG4
SEG5
S
EG15
P4
S
EG13
P5
S
EG14
DOUT
FL_D
A
T
A
NC
VSS
NC
FL_C
S
SEG1
VDD
FL_CLK
GRID03
-VP
S
EG16
P3
S
EG1
7
GRID07
GRID08
GRID06
9G
GRID09
5G
4G
6G
F+ F+
2G 3G
1G
8G
7G
S
EG18
P2
P1
GRID04
GRID05
NC
FL-
-VP
FL+
VP_GND
VSS
FL_DI
FL_CE
FL_CL
VDD
VREF-
D3.3V
NC
NC
O
S
C
GRID01
NC
NC
GRID02
2
3
1
5
4
P641*
4
3
1
2
S643
4
3
1
2
S644
4
3
1
2
S641
4
3
1
2
S642
RIGHT
POS_SW_ABN
ABN
INTERLOCK
CENTER
POSITION (R)
VREF-
POSITION (C)
INTERLOCK_SW
TL931*
TL932*
LEFT
S931
2
1
4
3
CN931
(BLACK)
M-
M+
POS_SW (L)
GND
(RED)
S914
R902
1.2K
120
R910
D900
B3AAB0000334
R911
1.2K
R921
4.7K
R907
7.5K
S906
R906
4.7K
S905
R900
0
S907
3.3K
R914
S902
R903
1.2K
S901
S913
S911
3.3K
R905
S904
2.2K
R904
S903
S912
2.2K
R913
1.2K
R912
S915
S910
D.BASS
9
7
5
2
3
1
4
6
8
17
15
13
10
12
11
14
16
18
CN900
3
2
6
7
4
5
1
9
8
CN901
...HC37
FL_CE
VP_GND
VREF-
FL_CL
FL_DI
D3.3V
VOL+
FL-
FL+
-VP
iPod
CD
RADIO
/USB
POWER
VOL-
REV SKIP
PLAY/PAUSE
FWD SKIP
AIR_BLUE
5R2V
CD
OPEN/
CLOSE
iPod
OPEN/
CLOSE
FL_CL
FL_DI
FL+
FL-
-VP
FL_CE
VREF-
D3.3V
D3.3V
DGND
KEY2
DGND
KEY1
VP_GND
PWR LED
AIR_RED
STOP
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