Sony CDX-C4750 - Page 31

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IC401 TDA7462D
IC702 PCM1717E-S
SE3L
SE3R
MUTE
SDA
SCL
PAUSE
OUT FL
OUT FR
OUT RL
OUT RR
SUBOUT+
SUBOUT–
VDD
GND
CREF
SE1L
SE1R
MD+
MD–
CDL+
CDL–
CDR–
CDR+
PDR
PDGND
PDL
SE2L
SE2R
INPUT
GAIN &
AUTO
ZERO
PAUSE
DETECT
INPUT MULTIPLEXER &
MIXING STAGE
REAR SIDE
SELECTOR
FRONT SIDE
SELECTOR
LOUDNESS
CONTROL
CIRCUIT
INPUT
GAIN
BEEP
LOUDNESS
CONTROL
CIRCUIT
SOFT
MUTE
VOLUME
CONTROL
CIRCUIT
COMPANDER
TREBLE/
BASS
CONTROL
CIRCUIT
SUBWOOFER
OUT
FADER
SUBWOOFER
LP
IIC
BUS
DIGITAL CONTROL CIRCUIT
POWER
SUPPLY
FRONT
FADER
FRONT
FADER
REAR
FADER
REAR
FADER
VOICE BANDPASS
HP LP
SDA
SCL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
3
4
5
6
7
18
19
20
17
16
15
14
8
9
10
13
12
11
2
1
CLK
CONTROL
INPUT
INTERFACE
DIGITAL
FILTER
5LEVE DAC
LOWPASS FILTER
CMOS
AMP
5LEVEL DAC
LOWPASS FILTER
CMOS
AMP
MODE
CONT
ROL
XTI
DGND
VDD
LRCIN
DIN
BCKIN
ZERO
D/C R
VOUTR
AGND
VCC
VOUTL
D/C L
MODE
RSTB
MD/DM0
MC/DM1
ML/MUTE
CLKO
XTO
NOISE SHAPER
IC803 BA8270F-E2
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT