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IC301
LA3401 (MAIN board)
22
21 20 19 18 17 16
VCC
PLL
DRIVE
FM/AM SELECT
MUTING
1
2
3
IC401
BU1924F (MAIN board)
16
15
PLL 57kHz
RDS/ARI
PLL
1187.5Hz
COMPARATOR
8th SWITCHED
BIPHASE
CAPACITOR
DECODER
FILTER
DEFFERENTIAL
ANTI-ALIASING
DECODER
FILTER
1
2
3
4
IC905
NJM2103D (POWER board)
CR
1
VREF
VSC
2
+ –
OUTC
3
GND
4
Q
R
S
15
14
LAMP
FM/AM SELECT CONTROL
LOGIC / MUTE ON/OFF
MPX
4
5
6
7
8
9
14
13
12 11 10
CLOCK
5
6
7
8
8
RESET
– +
VSA
7
6
VSB/SESIN
V+
5
+
–
+
–
13
12
GND
MUTING
OUT
10
11
9
TEST
33
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