Panasonic SC-HC20GA, Service Manual

Page: 79 / 115

79
14.2. AUDIO BLOCK DIAGRAM
FM A NT
J K51
4 6
CN33 2 CN51
3 7
CN33 2 CN51
2 2 1
CN80 7 CN 7 00 2
8 2
CN33 2 CN51
6 4
CN33 2 CN51
A M/FM R A DIO RECEI V ER
V UE A LLPT031
IC5 2
AS P
C1BB00001151
IC101
TU L
TU R
LOUT 14
ROUT 13
S DIO 8
S CLK 7
2 FMI
1 2 INL 2
2 INR 2
MPORT R
MPORT L
3 INR3
11 INL3
CD L
13 INL1
4 19
CN80 7 CN 7 00 2
CD R
1 INR1
18 S CL
19 S D A
1 7 DCLK
9 RCLK
A M A NT
J K5 2 L5 2
4
6
3
1
2
4 A MI
AS P CLK
AS P D A
D A MP S TB Y
D A MP BP
A UDIO DET
MUTE A MP
FROM
S ER V O/ SYS TEM CONTROL
FROM/TO
S ER V O/ SYS TEM CONTROL
TO
S ER V O/ SYS TEM CONTROL
FROM/TO
S ER V O/ SYS TEM CONTROL
FROM/TO
S ER V O/ SYS TEM CONTROL
M A IN P.C.B.
TUNER P.C.B.
CD S ER V O P.C.B.
5 5
P908 P10 2
7 7
P908 P10 2
3 3
P10 2 P908
1 1
P10 2 P908
4 4
P10 2 P908
8 8
P908 P10 2
MUTE HP
PDET 2
LOUT 31
IGOUTL 2 1
ROUT 3 2
3 1
5 7
OP- A MP
C0 A BBB000 2 1 6
IC103
Q 101, Q 10 2
MUTING
Q 104
A MPLIFIER
Q 103
A MPLIFIER
Q R101
MUTING
CONTROL
HP L
HP R
MPORT R
MPORT L
MPORT S W
LCH
RCH
HP S W
R
L
TO
S ER V O/ SYS TEM CONTROL
FROM/TO
S ER V O/ SYS TEM CONTROL
HE A DPHONE
J K95 2
3
2
1
6
7
5
4
R
L
A U X
J K951
3
2
1
6
7
5
4
HE A DPHONE/ A U X P.C.B.
8 DIFFL
6 DIFFR
iPod L
iPod R
11 5
CN100 2 CN381
9 7
CN100 2
2 8
CN1001
27
CN1001 CN381
iPod/iPhone
POWER A MPLIFIER
C1 A B00003 2 8 2
IC1
3 IN A 1
Q R4
IN V ERTER
Q R804
IN V ERTER 4 MUTEL
Q R5
IN V ERTER
Q R 2
S WITCH
5 S TB Y L
18 RO S C
4 2 AV CC
38 PROT
22 RREF
19 RLMT
MUTE A MP
D A MP S TB Y
D A MP BP
PDET 2
40 IN A2
OUT A2 3 6
OUTB 2 2 8
OUT A 1 8
OUT A2 15
+
-
S PE A KER (LEFT) 2
P904*
S P1
S P 2
1
P904*
+
-
S PE A KER (RIGHT) 2
P903*
1
P903*
1
P905
2
P905
3
P905
4
P905
1
P90 7
2
P90 7
3
P90 7
4
P90 7
4
P90 6
3
P90 6
2
P90 6
1
P90 6
4
P 2
3
P 2
2
P 2
1
P 2
BRIDGE 2 P.C.B.
S PE A KER P.C.B.
HE A DPHONE/ A U X P.C.B.
X 51
1
2
S C-HC 2 0G A /GN A UDIO BLOCK DI A GR A M
iPod/iPhone P.C.B.
IGOUTR 2 3
2 1
6 7
OP- A MP
C0 A BBB0001 7 9
IC 2 801
2 1
5 7
OP- A MP
C0 A BBB0001 7 9
IC 2 80 2
: A U X /iPod/iPhone A UDIO INPUT S IGN A L LINE : A UDIO OUTPUT S IGN A L LINE : CD A UDIO INPUT S IGN A L LINE : A M S IGN A L LINE : A M/FM S IGN A L LINE : FM S IGN A L LINE