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14.2. AUDIO BLOCK DIAGRAM
: CD AUDIO INPUT SIGNAL LINE
: AUX/iPod/iPhone AUDIO INPUT SIGNAL LINE
IC52
VUEALLPT031
AM/FM RADIO RECEIVER
JK51
FM ANT
2 FMI
9 RCLK
X51
17 DCLK
JK52
L52
1
3
4
4 AMI
AM ANT
2
2
1
6
JK951
AUX
HEADPHONE/AUX P.C.B.
FROM
SERVO/SYSTEM CONTROL
FROM/TO
SERVO/SYSTEM CONTROL
: AUDIO OUTPUT SIGNAL LINE
: AM SIGNAL LINE
MAIN P.C.B.
IC101
C1BB00001151
ASP
CN51
CN332
TU L
LOUT 14
12 INL2
2
8
CN51
CN332
TU R
ROUT 13
2 INR2
4
6
CN51
CN332
SDIO 8
FROM/TO
6
4
CN51
CN332
SERVO/SYSTEM CONTROL
SCLK 7
7
3
TUNER P.C.B.
5
4
MPORT R
P908
P102
MPORT R
3 INR3
R
3
3
3
L
2
MPORT L
P908
P102
MPORT L
11 INL3
1
1
1
P908
P102
TO
MPORT SW
6
4
4
SERVO/SYSTEM CONTROL
7
CD SERVO P.C.B.
CN7002
CN807
CD L
13 INL1
21
2
CN7002
CN807
CD R
1 INR1
19
4
iPod/iPhone
CN1001
CN1002
CN381
iPod L
8 DIFFL
27
9
7
CN1001
CN1002 CN381
iPod R
6 DIFFR
28
11
5
iPod/iPhone P.C.B.
ASP CLK
18 SCL
ASP DA
19 SDA
: FM SIGNAL LINE
: AM/FM SIGNAL LINE
QR804
MUTE AMP
MUTE AMP
INVERTER
DAMP STBY
DAMP STBY
QR2
FROM/TO
SWITCH
DAMP BP
SERVO/SYSTEM CONTROL
DAMP BP
PDET2
PDET2
IC103
C0ABBB000216
OP-AMP
ROUT 32
5
7
LOUT 31
3
1
IGOUTL 21
IC2801
IC2802
C0ABBB000179
C0ABBB000179
OP-AMP
OP-AMP
6
7
5
IGOUTR 23
1
2
2
79
IC1
C1AB00003282
POWER AMPLIFIER
QR4
INVERTER
4 MUTEL
BRIDGE 2 P.C.B.
QR5
INVERTER
5 STBYL
18 ROSC
P2
P906
OUTA2 36
4
4
P2
P906
OUTB2 28
3
3
19 RLMT
P2
P906
OUTA1 8
22 RREF
2
2
P2
P906
OUTA2 15
1
1
42 AVCC
38 PROT
Q104
RCH
AMPLIFIER
3 INA1
Q103
LCH
AMPLIFIER
40 INA2
HP R
P102
P908
7
7
P102
P908
HP L
5
5
TO
P102
P908
SERVO/SYSTEM CONTROL
8
8
QR101
MUTING
MUTING
MUTE HP
CONTROL
Q101,Q102
7
AUDIO DET
1
SC-HC20GA/GN AUDIO BLOCK DIAGRAM
SPEAKER P.C.B.
SP1
P907
P905
P904*
+
1
1
2
SPEAKER (LEFT)
P907
P905
P904*
-
2
2
1
P907
P905
P903*
+
3
3
2
SPEAKER (RIGHT)
P907
P905
P903*
-
4
4
1
SP2
HEADPHONE/AUX P.C.B.
JK952
5
4
R
3
HEADPHONE
L
2
1
HP SW
6
7
FROM/TO
SERVO/SYSTEM CONTROL
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