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IC301 M62428AFP6000C
VREFI
1
SUR R
2
SURROUND SW
SUR C
3
IN1A
4
IN1B
5
IN1C
6
IN1D
7
REC OUT1
8
INBAS1
9
BASS
AMP1
NFBAS1
10
FBAS1
11
FTRE1
12
TONE OUT1
13
VOL IN1
14
BASS BOOST SW
FBB1
15
NFBB1
16
BB
AMP1
INBB1
17
OUT1
18
DGND
19
LATCH
20
DATA
21
IC931 M62016L
COM
+
INTERRUPT SIGNAL
–
GENERATING BLOCK
COM
+
RESET SIGNAL
–
GENERATING BLOCK
1
2
3
4
GND
INT
RESET
CD
80
B
A
–
+
BUFF
AMP1
MIX
AMP1
TONE
AMP1
FIN
AMP2
AMP1
CPU
INTERFACE
5
VCC
AVDD
VREF
REF AMP
–
+
MIC
AMP
AGND
A
B
BUFF
AMP2
MIX
AMP2
BASS
AMP2
TONE
AMP2
BASS BOOST SW
FIN
BB
AMP2
– RDS IC Board –
IC401 BU1924F (AEP, UK models only)
16
15
PLL 57kHz
RDS/ARI
PLL
1187.5Hz
COMPARATOR
8th SWITCHED
BIPHASE
CAPACITOR
DECODER
FILTER
DEFFERENTIAL
ANTI-ALIASING
DECODER
FILTER
1
2
3
42
AGND
41
VREFO
40
MIC IN
39
IN2A
38
IN2B
37
IN2C
36
IN2D
35
REC OUT2
34
INBAS2
33
NFBAS2
32
FBAS2
31
FTRE2
30
TONE OUT2
29
VOL IN2
28
FBB2
27
NFBB2
26
INBB2
25
OUT2
24
AVDD
23
DVDD
22
CLK
14
13
12 11 10
CLOCK
4
5
6
7
8
9
TEST
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