Read Panasonic SC-HC55EG Service Manual online
119
15.6. MAIN CIRCUIT (3/4)
B
2/4
4/4
1/4
3/4
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 5
SC-HC55EG MAIN
CIRCUIT
TO MAIN
CIRCUIT (4/4)
CIRCUIT (4/4)
TO MAIN
CIRCUIT (1/4)
CIRCUIT (1/4)
P1
9
1
TO
PANEL CIRCUIT
(CN6801)
IN SCHEMATIC
DIAGRAM - 12
PANEL CIRCUIT
(CN6801)
IN SCHEMATIC
DIAGRAM - 12
TO
BUTTON CIRCUIT
(CN6802)
IN SCHEMATIC
DIAGRAM - 12
BUTTON CIRCUIT
(CN6802)
IN SCHEMATIC
DIAGRAM - 12
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: +B SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
:TUNER/BLUETOOTH/AUX/MIC AUDIO INPUT SIGNAL LINE
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
K
L
J
M
O
P
N
KE
Y
1
R898
R84
6
R845
R8
2
9
R830
R814
D3R3
V
S
D
A
CLK_FL
FL_DI
CLK_
S
CL
TU_R
S
T
R876
R841
R899
R8
6
8
R854
R83
7
MOTION_LED_
2
TU_
S
D
A
R815
CLK_TU_
S
CL
PWR_LED
TU_INT
R890
R89
2
R81
2
R855
C873
C871
PW_
V
BU
S
C813
R889
PDET1
R874
68K
C875
R888
R8
7
1
R8
7
5
C874
C872
R840
TL803
KE
Y2
R873
R870
R810
R809
R806
R813
MIC_MUTE
C80
7
A
PD
BT_CONNECT
DIMMER
M
A
IN
V
_DET
C812
PDET
2
HP_MUTE
R862
R884
R883
R8
2
4
R9
6
4
IPOD_PCONT
U
S
B_IN
BT_U
A
RTOUT
BT_U
A
RTIN
CD_
S
_RE
Q
R853
IPOD_OPEN
R8
77
R839
R833
R8
2
3
R8
2
1
C8
2
5
R9
6
5
R8
22
R880
R981
DGND
FL_DI
R826
R832
R831
TL826
INH_MUX
CKS2
R864
QR801
B1GBCFJN0038
R857
CD_LOADING
D857
D857
B0ACCK000012
R879
100
YMH_ENA
TL824
R95
6
DGND
PWR_LED
R8
2
8
KEY2
KEY1
R8
27
CD_
S
I
CD_
S
O
CLK_CD_
S
CLK
S
TB
Y
_CTRL
IPOD_DET
RE
S
T_
S
W
CD_RE
S
ET
D_
A
MP_RE
S
ET
V
TUNER_IN
CD_M_RE
Q
C828
STBY3R3V
CLK_FL
FL_CE
NR
S
T
D3R3
V
3
2
4
1
IC803
C0EBE0000434
3
2
6
7
4
5
1
9
8
CN900
LED DRIVE
R820
MUTE
A
DGND
DGND
PO
S
_
S
W_LEFT
PO
S
_
S
W_CENTRE
MU
X
_
A
MU
X
_B
PO
S
_
S
W_RIGHT
C819
C820
R843
R804
C545
R9
62
D3R3V
MPORT_SW
YMH_RESET
ADC_PDN
R836
R847
REM_IN
STBY3R3V
MOTION_LED 2
TL820
TL809
C808
R802
X801
H0A327200097
R805
R801
3
1
2
X802
H2B800400007
C805
C80
6
R808
TL818
FL_CE
10K
TL819
R983
PCONT
EN_BUFFER
R807
LID_RIGHT
R811
R803
LID_LEFT
R835
ECO_MODE
R950
R863
NR
S
T
79
77 76
78
49 50
74
71
72
67
68
56
55
58
57
52
51
54
53
65
66
61
62
59
60
64
63
70
69
73
75
10
8
7
9
12
11
99
100
95 94
96
97
90
91
89
93 92
98
4
6
5
2
1
3
81
82
80
86
87
88
84 83
85
45
19
17
15
14
16
18
43
23
21
20
22
41
24
39
37
27
26
29
28
31
30
33
32
35
34
36
38
25
40
42
44
13
46 47 48
IC801
R838
R858
C831
C833
D858
B0ACCK000012
9V
D3R3V
D3R3V
TL814
7
9
10
8
4
5
1
3
2
6
12
11
CN901
4
3
2
1
5
6
7
8
IC800
C3EBFY000006
7.5V
KEY2
10K
100
1.5K
LD_CCW
ADC_PDOWN
D3.3V
PWR LED
NC
VDD18
NC
330P
SK
VCC
EEPROM
MOTION LED 1
VSS
EE_SDA
NC
EE_CS
EE_SCL
CS
220K
0.1
XI
XO
VSS
OSC1(IN)
22
P
22
P
VDD33
4.
7
K
100K
1000P
1
2
K
47K
12K
1000P
1000P
1000P
100K
10K
1K
100
100K
4.
7
K
100
100
NC
V
DD
VSS
KE
Y
1
KE
Y2
MOTION_
S
CL
TU_R
S
T
D
S
P_
S
CL
MOTION_
S
D
A
MOTION_INT
TU_INT
PDET
2
(D-
A
MP)
100
100
100
RFKWMHC55M0
[3]
IPOD_IPDET
100
100
1000P
1000P
1000P
[4]
4.7K
REGION
100
PCONT_POW
DIMMER
100
OCD_SCK
LID_LEFT
4.7K
0
100
100
GND MMOD
OSC2(OUT)
EN_BUFFER
LID_RIGHT
100
100
[1]
[2]
[2]
APD_IN
OCD_SDA
OCD_SDA
MIC_MUTE
BT_LED
BT_LED
PDET1(REG)
V
REF+
M_
V
DET
10K
100
1000P
NC
100
100
HP_MUTE
DAB_NRST
NC
FL_CE
NC
NC
MODEL_SEL1
NC
NC
100
D
S
P_
S
D
A
DAB_TX
DAB_RX
[77]MOTION_LED
[78]FL_CLK
[79]TU_SDA
[78]FL_CLK
[79]TU_SDA
[76]FL_DI
100
100
100
100
100
100
100
MOTION_IRDR
TU_
S
CL
PWR_LED
GND
100
ECO_MODE
DO
APD_CHK
0.0
22
TEST
NRST
10K
DI
NC
[52]ADC_CKS2
[53]YMH_ENA
[53]YMH_ENA
[50]MUX_B
[49]MUX_A
[51]MUX_INH
DGND
MOTION_SCL
MOTION_SDA
MOTION_LED1
MOTION_LED 2
MOTION_IRDR
MOTION_INT
100K
100P
100P
100K
NC
100
REM_IN
0.22
100
100
CD_
S
_RE
Q
1K
100
100
1K
100
100
1
100
100
V
DD18
VSS
CD_
S
I
CD_
S
O
100K
NC
RESET
VSS
100K
100K
100K
100
100
100
100
100
IN
OUT
10V33
KEY1
NC
47K
100
YMH_RST
100
[27]USB_IN
[28]IPOD_PCONT
[28]IPOD_PCONT
[26]IPODDOCKOPEN
MICROPROCESSOR
AUX_SW
CD_RE
S
ET
1.5K
LD_CW
PO
S
_
S
W_L
PO
S
_
S
W_R
PO
S
_
S
W_CEN
D
S
P_MUTE
X
V
TUNER_IN
BT_T
X
/uP_R
X
CD_
S
CLK
IPOD_DET
BT_R
X
/uP_T
X
RE
S
T_
S
W
D-
A
MP_RE
S
ET
S
TB
Y
_CTRL
CD_M_RE
Q
DGND
D3.3V
FL-
FL_CL
FL_DI
FL_CE
FL+
VP_GND
-VP
PW_-VP
FL_GND
FL-
FL+
R1102
R1104
R901
R902
0
0
2.7
2.7
2.7
CK4
CK6
CK5
CK2
CK1
CK3
R8
2
5
100
R819
100
R81
6
100
R818
100
R984
10K
C1128
0.1
C1129
0.1
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