Read Panasonic SC-HC55EG Service Manual online
118
15.5. MAIN CIRCUIT (2/4)
B
2/4
4/4
1/4
3/4
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 4
SC-HC55EG MAIN
CIRCUIT
TO MAIN
CIRCUIT (1/4)
CIRCUIT (1/4)
TO MAIN
CIRCUIT (4/4)
CIRCUIT (4/4)
P1
9
1
TO
TUNER CIRCUIT
(CN51)
IN SCHEMATIC
DIAGRAM - 10
TUNER CIRCUIT
(CN51)
IN SCHEMATIC
DIAGRAM - 10
TO LEFT SPEAKER
TO RIGHT SPEAKER
: CD AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: iPod/iPhone/USB SIGNAL LINE
: +B SIGNAL LINE
:TUNER/BLUETOOTH/AUX/MIC AUDIO INPUT SIGNAL LINE
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
R1
2
9
R1
2
8
L954
J0JBC0000014
C129
C131
1
C132
1
R1
26
R1
27
C134
C950
MUTING
MUTING
MUTING CONTROL
C993
R959
R955
C133
C135
C13
6
C13
7
C130
1
2
CN102
RCH-
L111
C141
L113
L112
CL950
S
PKL+
1
2
CN106
L103
G1C150M00023
G1C150M00023
C138
L104
C95
2
R958
V
CC18
V
R9
6
3
L102
G1C150M00023
C128
C127
C95
6
LCH+
C139
C162
CK10
R140
CK11
C161
L110
G1C100M00041
G1C100M00041
G1C100M00041
G1C100M00041
L105
G1C150M00023
RCH+
LCH+
C140
Q952
Q952
B1GFGCAA0001
R969
R968
R957
R960
C951
L955
J0JBC0000014
3
2
5
4
1
6
3
2
5
4
1
6
Q951
Q951
B1GFGCAA0001
+3.3V REGULATOR
C0DBGYY00887
R971
HP_MUTE
R970
R972
R966
R967
B1ADCE000012
Q950
Q950
6
2
3
4
5
1
7
JK952
HEADPHONE
V
CC18
V
18
V
_GND
CH
ASS
IS
GND
R122
B1GBCFJN0038
QR100
MUTING
MUTEA
AGND
D_AMP_RESET
R138
D3R3V
C123
0
K107
CLK_MCLK
C122
R134
R119
R133
R131
R132
APD
C121
R137
PDET2
CLK_BCLK_D-AMP
CLK_LRCK_D-AMP
SDATA_D-AMP
C124
R123
SDA
CLK_SCL
S
PKR+
4
5
T1
45
46
44
48 47
2
1
3
32
34
36
35
33
42
40
41
43
37
39 38
8
16 17
15
13 14
9
6
7
27
25
22 23
20
19
21
24
26
18
30
31
28
29
Thermal
Pad
11
12
10
C1AB00003600
IC103
C125
C126
270
R973
390
R974
390
4.7
6
.8
4
7
0
0.
22
390
390
270
6
.8
22
00P
CHASSIS GND
25V220
1
LCH+
0.1
390
1.5K
0.
22
6
.8
22
00P
0.01
RCH+
1000P
100
22
00P
22
00P
6
.8
LCH -
RCH -
LCH +
0.1
0.1
0.1
0.1
RCH +
NC
TE
S
T3
[13]MONI1
MONI1
ERROR
1.5K
PLL
DVDD
VSS
1
1
TEST2
REG15
NC
220
LRCLK
MUTE
X
S
CL
S
D
A
4.7K
100K
220
[1]ADD
SDATA
R
S
T
X
MCLK
33
TEST1
BCLK
DGND
220
B
S
P
2
P
[26]GND
[25]GND
OUT
2
P
V
CCP
2
OUT
2
P
BSP2N
OUT2N
OUT2N
1
NC
REG_G
10
10
270
270
1000P
NC
V
CCP
2
ASP
S
T_MONO
NC
NC
[38]OUT1P
[37]BSP1P
[37]BSP1P
1
25V220
V
CCP1
V
CCP1
OUT1P GNDP1
1
GNDP1
OUT1N
BSP1N
OUT1N
1K
1K
390
47K
0.027
0
2700P
CLK_TU_SCL
TU_SDA
TU_INT
TU_RST
C351
1
1
C352
3
2
6
7
4
5
1
9
8
CN350
D5V
C707
L350
L701
0
0
10
3
2
4
1
IC702
C708
GND
10
CE
VIN
OUT
VSS
3.3V
INT
RST
SCLK
SDIO
GND
R OUT
L OUT
C954
1
5
4
3
2
6
7
MPORTR
C953
R952
C960
R951
L951
J0JBC0000019
L952
J0JBC0000019
L953
J0JHC0000118
R954
L950
J0JBC0000019
MPORTL
C959
MPORT_SW
18V_GND
AGND
C958
JK951
AUX
(EXT-IN)
4700P
4700P
1
1
0
R953
2.2
12K
12K
1000P
P1
TUNER_GND
TU_L
TU_R
K110
0
C955
CHASSIS_GND
C961
1000P
1000P
CK12
C158
C159
1000P
1000P
C157
1000P
C160
1000P
C957
1000P
C992
1000P
C991
1000P
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