37
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
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
57kHz
8th ORDER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
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
IC1 CXA2596M
• IC Block Diagrams
IC90 BA4558F-E2
www. xiaoyu163. com
QQ 376315150
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9
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9
4
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9
8
TEL 13942296513
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9
2
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2
9
8
0
5
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6
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3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
