Sony CDX-C4900R - IC Block Diagrams

39
1 24
HOLD
2
AGCVTH
3
LD
4
PD
5
A
6
B
7
C
8
D
9
VEE
VEE
VCC
APC PD AMP
+
–
+
–
+
–
+
–
VEE
VREF
1.25V
VCC
APC LD AMP
+
–
VC
VC
VCC
VCC
23
LC/PD
22
LD ON
21
HOLD SW
19
RF BOT
18
RFTC
17
RF I
16
RFO
10
F
15
RFE
11
E
14
FE
12
VC
13
TE
20
AGCCONT
+
–
+
–
+
–
+
–
VC
VEE
+
–
VC
VC
VC
VC
VC
VC
VC
+
–
+
–
+
–
+
–
+
–
VC
+
–
RF SUMMING AMP RF EQ AMP
TRACKING
ERROR AMP
VEE
ERROR AMP
FOCUS
VC BUFFER
VCC
VEE
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD PSWN
SCL
2
1
6
15
11
1316
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9 10
3
4 5
8
7
6
5
1
2
3
4
2CH
1CH
VCC
OUT2
–IN2
+IN2
OUT1
–IN1
+IN1
VEE
IC701 BA8270F
IC51 SAA6588T-V2-118
IC1 CXA2596M
• IC Block Diagrams
IC90 BA4558F-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