Panasonic SC-HC25GS, Service Manual

Page: 100 / 127

100
15.5. MAIN CIRCUIT (2/4)
B
2 /4
4/4
1/4
3/4
M A IN CIRCUIT
S CHEM A TIC DI A GR A M - 4
S C-HC 2 5G S /G SX /GT/PU M A IN CIRCUIT
TO M A IN
CIRCUIT (1/4)
TO M A IN
CIRCUIT (4/4)
P1
9
1
TO
TUNER CIRCUIT
(CN51)
IN
S CHEM A TIC
DI A GR A M - 8
TO LEFT S PE A KER
TO RIGHT S PE A KER
: CD A UDIO INPUT S IGN A L LINE :TUNER/ A U X A UDIO INPUT S IGN A L LINE : A UDIO OUTPUT S IGN A L LINE
: +B S IGN A L LINE
: iPod/iPhone/U S B S IGN A L LINE
15 1 6 1 7 18 19 2 0 2 1 22 2 3 2 4 2 5 26 27 2 8
A
C
D
B
E
G
H
F
R1
2
9
R1
2
8
C1 2 9
C131
1
C13 2
1
R1
26
R1
27
C134
C950
MUTING S WITCH MUTING S WITCH MUTING CONTROL (HP)
C993
L95 6
0
R959
R955
C133
C135
C13
6
C13
7
C130
1
2
CN10 2
RCH-
L111
C158
C141
L113
C159
L11 2
C1
6
0
S
PKL+
1
2
CN10 6
L103
G1C150M000 2 3
G1C150M000 2 3
C138
L104
C95
2
R958 R9
6
3
L10 2
G1C150M000 2 3
C1 2 8
C1 27
C95
6
LCH+
C139
C1 62
CK10
K110
0
R140
CK11
C1 6 1
C15
7
L110
G1C100M00041
G1C100M00041
G1C100M00041
G1C100M00041
L105
G1C150M000 2 3
RCH+
LCH+
C140
Q 95 2
Q 95 2
B1GFGC AA 0001
R9 6 9
R9 6 8
R95 7
R9 6 0
C951
3 2
5 4
1
6
3 2
5 4
1
6
Q 951
Q 951
B1GFGC AA 0001
+3.3 V REGUL A TOR
C0DBG YY 0088 7
R9 7 1
HP_MUTE
R9 7 0
R9 72
R9 66
R9 67
B1 A DCE00001 2
Q 950
Q 950
6
2
3
4
5
1
7
J K95 2
HE A DPHONE
V
CC18
V
18
V
_GND
CH
ASS
I
S
_GND
R1 22
B1GBCF J N0038
Q R100
MUTING S WITCH
MUTE A
A GND
D_ A MP_RE S ET
R138
D3R3 V
C1 2 3
0
K10 7
CLK_MCLK
C1 22
R134
R119
R133
R131
R13 2
A PD
C1 2 1
R13 7
PDET 2
CLK_BCLK_D- A MP
CLK_LRCK_D- A MP
C1 2 4
S D A
CLK_ S CL
S
PKR+
4
5
T1 45 4 6 44 48 4 7
2
1
3
3 2
34
3 6
35
33
4 2 40 41 43 3 7 39 38
8
1 6 1 7 15 13 14
9
6
7
27
2 5
22 2 3 2 0 19 2 1 2 4
26
18
30
31
2 8
2 9
Ther ma l
P a d
11
1 2
10
C1 A B00003 6 00
IC103
C1 2 5
C1 26
1 2 0
R9 7 3
390
R9 7 4
390
4. 7
6
.8
4
7
0
0.
22
390
390
1 2 0
6
.8
22
00P
2 5 V22 0
1
LCH+
1000P
0.
22
390
390
4
7
0
6
.8
22
00P
0.01
RCH+
1000P
1000P 0
22
00P
22
00P
6
.8
LCH -
RCH -
LCH + 1000P
0.1
0.1
0.1
0.1
1000P
RCH +
NC TE
S
T3
[13]MONI1
MONI1 ERROR
1.5K
PLL
D V DD
VSS
1
1
TE S T 2
REG15
NC
LRCLK
MUTE
X
S
CL
S
D
A
4. 7 K
22 0
22 0
22 0
[1] A DD
S D A T A
R
S
T
X
MCLK
33
TE S T1
BCLK
DGND
B
S
P
2
P
[ 26 ]GND
[ 2 5]GND
OUT
2
P
V
CCP
2
OUT
2
P
B S P 2 N
OUT 2 N
OUT 2 N
1
NC
REG_G
10
10
1 2 0
1 2 0
1000P
NC V
CCP
2
AS P
S
T_MONO
NC NC
[38]OUT1P
[3
7 ]B S P1P
1
2 5 V22 0
V
CCP1
V
CCP1
OUT1P GNDP1
1
GNDP1
OUT1N
B S P1N
OUT1N
1K
1K
22 0
4 7 K
0.0 27
0
27 00P
CLK_TU_ S CL
TU_ S D A
TU_INT
TU_R S T
C351 1
1
C35 2
3
2
6
7
4
5
1
9
8
CN350
D5 V
C 7 0 7
L350
L 7 01
0
0
10
3
2
4
1
IC 7 0 2
C 7 08
GND
10
CE
V IN OUT
VSS
3.3 V
INT
R S T
S CLK
S DIO
GND
R OUT
L OUT
C954
1
5
4
3
2
6
7
MPORTR
C953
R95 2
C9 6 0
R951
CK1 2
L951
J 0 J BC0000019
L95 2
J 0 J BC0000019
C9 6 1
L953
J 0 J BC0000019
R954
L950
J 0 J BC0000019
MPORTL
C959
MPORT_ S W
18 V _GND
CH ASS I S _GND
A GND
C958
J K951
A U X
(E X T-IN)
4 7 00P 4 7 00P
1
1
0
R953 0
1 2 K
1 2 K
1000P
1000P
C955
1000P
P1
TUNER_GND
TU_L
TU_R
CL950
CH ASS I S GND
C95 7
1000P
L954
J 0 J BC0000014
L955
J 0 J BC0000014