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– MAIN Board –
IC100 TDA7427AD
28
11 BIT
PROGRAMMABLE
COUNTER
SWITCH
OUT
INLOCK
DETECTOR
PHASE
CHARGE
COM-
PUMP
PARATOR
SWITCH
LP1/LP2
1 2
3
4
IC102 SAA6588T-118 (MDX-C7970R)
20
19
18
MULTI
PATH
57kHz
DETECTOR
8th ORDER
BAND-PASS FILTER
CLOCKED
COMPARATOR
RDS/RDBS
RDS/RDBS
DEMODULATOR
DECODER
TEST
OSCILLATOR
& CLOCK
CONTROL
1
2
3
4
5
6
SWITCH
PRE
SWM/DIR
COUNTER
5 BIT
SWITCH
PROGRAMMABLE
SWM/DIR
COUNTER
16 BIT
PROGRAMMABLE
COUNTER
TEST
LOGIC
PORT
EXTENSION
5 6
7 8
17
16
15
14
13
POWER SUPPLY
& RESET
SIGNAL QUALITY
DECODER
4
5
4
CLOCK
CLOCK
INTERFACE
DATA
REGISTER
DATA
IIC BUS SLAVE
TRANSCEIVER
7
8
9
10
27
26
25
24
23
POWER ON RESET
FM/AM
SWITCH
CONTROL
TIMER
11 – 21 BIT
14 BIT
PROGRAMMABLE
PROGRAMMABLE
COUNTER
COUNTER
REFERENCE
OSCILLATOR
9
11
10
12
11
PAUSE
DETECTOR
– 65 –
22
21
20
19
18
17
16
15
SUPPLY &
FM/AM
SWITCH
IIC BUS
INTERFACE
12
13
14
IC250 NJM2360AM (TE2)
CS
1
Q2
Q S
Q1
R
ES
2
CT
3
CT OSC
+
VREF
GND
4
1.25V
–
COMP
8 CD
7 SI
Ipk
6 V+
5 INVIN
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