Read Panasonic SC-HC55EG Service Manual online
120
15.7. MAIN CIRCUIT (4/4)
B
2/4
4/4
1/4
3/4
SC-HC55EG MAIN
CIRCUIT
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 6
TO MAIN
CIRCUIT (3/4)
CIRCUIT (3/4)
TO MAIN
CIRCUIT (2/4)
CIRCUIT (2/4)
1
27
TO
CD SERVO
CIRCUIT
(CN7002)
IN SCHEMATIC
DIAGRAM - 2
CD SERVO
CIRCUIT
(CN7002)
IN SCHEMATIC
DIAGRAM - 2
TO
SMPS CIRCUIT
(CN905)
IN SCHEMATIC
DIAGRAM - 13
SMPS CIRCUIT
(CN905)
IN SCHEMATIC
DIAGRAM - 13
NOTE: “ * ” REF IS FOR INDICATION ONLY
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: +B SIGNAL LINE
: - B SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
:TUNER/BLUETOOTH/AUX/MIC AUDIO INPUT SIGNAL LINE
I
K
L
J
M
O
P
N
15
16
17
18
19
20
21
22
23
24
25
26
27
28
3
2
1
ZJ1000
9V_GND
AGND
R1014
K1005
0
K1012
0
STBY_CTRL
C1013
R1010
C11
22
C1004
PDET1
D1004
B0ACCK000012
R1011
R1013
C1012
D101
2
B0
J
CMD0000
66
L1106
G1C100MA0464
L1102
DC/DC CONVERTER
G1C101MA0249
9V
R1008
C1104
C100
2
C1001
SWITCHING REGULATOR
PCONT
VCC18V
18V_GND
2
4
3
1
6
5
CN1004*
C1124
TL1000
ECO_MODE
L7001
J0JHC0000034
D3R3V
LID_LEFT
LID_RIGHT
R7004
R7003
STBY3R3V
R1106
TUNER_GND
K1011
0
PDET1
B0ACCK000012
D1001
IPOD5V
R1105
PCONT
D1002
B0JCMD000066
R1127
J0JHC0000118
L1100
C1102
C1103
3
2
4
1
C0DBGYY00887
IC1005
R1101
C1119
C110
7
R1116
C1115
L1104
G0A330ZA0045
6
7
T1
5
2
4
3
8
ThermalPad
1
IC1009
C0DBAYY01077
0
K1009
DGND
5V_GND
DGND
0
K1010
+3.3V REGULATOR
C1114
C1106
R1123
R1126
R1124
R1115
MAINV_DET
C1118
FL_GND
R7002
CD_LDSW
R7001
D5V
USB_IN
CD_LOADING
9V_GND
R7006
Q7001
B1ADCE000012
CLK_CD_BCK
CD_IIS_SDO
CLK_CD_LRCK
M+
CLK_CD_MCLK
DGND
C
7
001
R7007
REST_SW
CD_RESET
9V
CD_SI
CLK_CD_SCLK
CD_M_REQ
CD_SO
CD_S_REQ
VTUNER_IN
M-
1
6
7
5
9
12
13
10
11
18
25
26
23
24
27
20
19
22
21
16
14
15
17
8
2
4
3
CN7002
R7005
K1001
0
K1006
0
K1007
0
PDET1
D3R3V
C1117
R1111
0
K1008
D1003
B0JCMD000066
C1125
R1103
POWER SUPPLY
SWITCHING REGULATOR
POWER CONTROL
C1123
Q1000
B1DHCC000034
C0DBAYY00462
IC1000
D1005
B0ACCK000012
D5V
R1110
QR1000
B1GBCFJN0038
6
7
T1
5
2
4
3
8
Ther
ma
lP
a
d
1
C0DBEYY00123
IC1006
VCC18V
1K
47K
10K
VOUT
10
VIN
100K
R1128
10K
6.8K
1
33K
COMP
18V
3.3K
5600P
2
5
V
4
7
0
FB
PRELOAD
SW
(VOUT)
(VOUT)
GND
22
BOOT
SS
0.015
EN
VIN
10
39
0.0
22
4.7K
18V
1
18VGND
STBY_CTRL
18VGND
10
GND
10
22
K1013
0
VIN
BST
0.1
SW
10K
820
EN
0.1
SS
FB
12K
2200P
COMP
47K
GND
CE
NC
EN
NC
GND
10
NC
FB
0
10
15K
10
47K
VOUT
VIN
10
10
CD_SO / STAT
M+
M-
5V
CD_IIS_BCLK
CD_IIS_LRCK
3.3V
LID_RIGHT
LID_LEFT
VTUNER_IN
DGND
CD_IIS_MCLK
5V
LDSW
USB_IN
DGND
CD RESET / RST
CD_SREQ / BLKCK
1K
1K
47K
SWITCH
1.5K
0
0
CD_IIS_SRDATA
CD_MREQ / MLD
CD_SI / MDATA
CD_SCLK / MCLK
9V
PGND
10
OPEN_SW
3.3K
REST SW
LOADING
6
7
5
2
4
3
8
1
P1
1
2
FP1000
750mA
VCC18V
C11
26
4.
7
S
D
G
QR1001
B1DHCC000034
R11
2
5
100K
D1011
B0EAMM000057
D1011
L1103
J0JBC0000041
D1006
B0BC3R0A0262
PW_-VP
D1007
B0BC027A0264
C1111
35V33
R111
2
4
7
K
L1107
POWER SUPPLY
Q1001
Q1001
B1BABK000001
POWER SAVE CONTROL
B1GBCFJN0038
POWER CONTROL
0
R1122
4.7K
C1121
35V33
35V33
5
3
4
8
7
6
2
1
9
T1000
T1000
G4D1A0000117
D1009
B0JAME000114
FL+
FL-
FL_GND
PCONT
C1110
16V100
C1120
3900P
QR1002
R1120
47
FL2
FL1
SWITCHING TRANSFORMER
C1135
0.1
C1136
10V100u
C1134
0.1
C1008
1000P
1000P
C1132
1000P
1000P
C
7
003
0.0
22
C
7
00
2
0.0
22
C7000
1000P
1000P
CHASSIS_GND
C1127
0.1
C1131
0.1
R1130
0
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