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12.4. AUDIO BLOCK DIAGRAM
: CD AUDIO INPUT SIGNAL LINE
: TUNER AUDIO INPUT SIGNAL LINE
JK51
FM ANT
JK52
L52
2
3
4
AM ANT
2
1
1
6
: AUDIO OUTPUT SIGNAL LINE
: AM SIGNAL LINE
: FM SIGNAL LINE
IC52
C1AB00003566
FM/AM RADIO
RECEIVER
DOUT 13
2 FMI
DFS 14
DCLK 17
TU RST
TU RST
4
AMI
RST 5
TU SCL
TU SCL
SCLK 7
FROM/TO
SERVO & SYSTEM CONTROL
TU SDA
SDIO 8
TU SDA
TU INT
GPIO2 18
TU INT
MAIN P.C.B.
IC400
C1AB00003800
DIGITAL SIGNAL
PROCESSOR
13 XIN
IC450
X400
C1AB00003801
14 XOUT
HEADPHONE
DRIVER
7 ADC SDO
OUTPL 34
14 +INL
9 ADC LRCK
OUTL 12
8 ADC BCK
OUTML 32
13 -INL
OUTR 3
43 BCK
OUTPR 27
1 +INR
44 WCK
OUTMR 29
2 -INR
/MUTE 5
PROT
21
IRQ
19
SDA
17
SCL
16
IC
11
MUTE
23
SLEEP
22
CD BCK
4
CD LRCK
5
CD SDO
3
96
SPEAKERS
CN401
-
2
LEFT
CN401
+
1
CN400
-
2
RIGHT
CN400
+
1
JK450
5
4
LCH
2
HEADPHONE
RCH
3
1
6
7
DC DETECT
18V
CIRCUIT
Q400,Q401
Q402,Q403
HP MUTE
HP MUTE
PDET2
PDET2
DAMP ERR
DAMP ERR
DAMP SDA
DAMP SDA
DAMP SCL
DAMP SCL
FROM/TO
SERVO & SYSTEM CONTROL
DAMP RESET
DAMP RESET
DAMP MUTE
DAMP MUTE
DAMP SLEEP
DAMP SLEEP
CD IIS BCLK
CD IIS BCLK
CD IIS LRCK
CD IIS LRCK
CD IIS SRDARA
CD IIS SRDATA
SC-HC37GN/GS/GSX/PU AUDIO BLOCK DIAGRAM
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