CDX-A251C - Sony Car Audio Service Manual (repair manual). Page 31

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31
CDX-A251C
• IC Block Diagrams
IC1  BA5968FP-E2 (SERVO Board (2/2))
1
2
11
13
14
12
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
MUTE
FWD
FWD
LDCTL
NC
OPOUT1
NC
NC
OPOUT2
POWVCC
VCC
VOL–
VOL+
VO2–
VO2+
VO1–
VO1+
REV
OPIN4+
OPIN4–
OPOUT4
OPIN3+
OPIN3–
OPOUT3
MUTE
BIAS
GND
GND
GND
VO3–
VO3+
VO4–
VO4+
REV
OUTR OUTF
10
9
8
7
6
5
28
27
26
25
24
23
22
21
20
19
18
17
16
15
4
3
IC51  TDA7333013TR (MAIN Board (1/4))
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESETN
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SPI
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
SDA
12
SCL
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
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