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– 85 –
ALC
AM
AM
AM
AM
DET
AM/FM
SW
VCC
PHASE
DET
PILOT
DET
VCO
FF
STEREO
DRIVE
TRIG
STEREO
SW
MUTE
FF
FF
DECODER
ANTI BIRDIE
1
2 3
4
5
6
7
8
9
10
20
19
18
17 16
15
14
13
12
11
21
22
23
24
25
26
27
28
29
30
FM-SD
AM-OSC
FM-AFC
AM-RF-IN
AGC
AM. CUT
AM/FM
VCO
MPX-IN
OUT R
OUT L
AMP-IN R
AMP-IN L
R
L
VCO-STOP
ST-LED
AM/FM
AM. SD
AM. SD
IF-BUFF
VCC
DET
FM-IN
AM-MIX
IF
REG
AM-IF
GND
TU-LED
FM
AM
– TUNER Section –
IC1
LC72130
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
C
2
B
I/F
1
2
3 4 5 6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
XOUT
VSS
AOUT2
AIN2
PD2
PD1
AIN1
AOUT1
VDD
FMIN
AMIN
IO2
XIN
D0
CL
D1
CE
BO5
BO1
BO2
BO3
BO4
IO1
IFIN
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
IC2
LA1835
– PANEL Section –
IC761
M65850P
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TEL 13942296513 QQ 376315150 892498299