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IC601 TDA7427AD1TR
LP FM
1
SWITCH
LP1/LP2
LP HC
2
LP AM
3
V REF
4
LCL/DX
5
SEEK
6
PORT
EXTENSION
NIL
7
MONO
8
OSCIN
9
REF
OSCILLATOR
OSCOUT
10
NC
11
SCL
12
2
I
C BUS
INTERFACE
SDA
13
14 BIT PROG
COUNTER
TE
L 13942296513
SWITCH
IF AM
14
AM/FM
IC703 LC89170M-T
EXCK
1
2
SBSO
32 WORD X 8 BIT
DUAL PORT RAM
3
SCOR
WFCK
4
5
MCK
SYNCHRONIZATION
6
XMODE
GND
7
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.
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CHARGE
PHASE
PUMP
COMP
INLOCK
DETECTOR
TEST
LOGIC
16 BIT PROG
COUNTER
TIMER
CONTROL
11-21 BIT PROG COUNTER
VDD
14
CPU INTERFACE
13
CRC
CHECKER
12
11
10
TIMING
&
SIGNAL
9
PROTECTION
8
x
ao
y
i
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8
11 BIT PROG
COUNTER
SWITCH
SWITCH
SWM/DIR
SWM/DIR
6 BIT PROG
PRE COUNTER
COUNTER
:32/33
Q Q
3
6 7
1 3
IC803 BA8270F-E2
BUS ON
1
VDD
2
RST
DQSY
BATT
3
SRDT
SCLK
CLK
4
5
VREF
DATA
6
SW2
GND
7
SW1
TEST
u163
.
– 54 –
2 9
9 4
2 8
28
LPOUT
VDD1
27
VDD2
26
GND AM
25
AM IN
SWITCH
AM/FM
24
FM IN
23
NC
SUPPLY
22
GND D
&
POWER ON
21
RESET
VDD1
20
ADDR
19
HFREF
AMOSC
18
SWITCH
17
DOUT/INLOCK
OUT
1 5
0 5
8
2 9
9 4
16
SSTOP
15
IF FM
BUS ON
14
VCC
SWITCH
RESET
13
RST
SWITCH
12
BUS ON
CLK IN
11
BATTERY
10
BU IN
SWITCH
9
DATA IN
8
DATA OUT
m
co
9 9
2 8
9 9
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