Casio ZD-1

IC LEAD IDENTIFICATION AND INTERNAL DIAGRAMS
34
IC3: TA8167N
IC401: TC9260P
1
12
24
13
FM
AF
AM
AF
FM
IF
AM
IF
FM
RF
22 21 20 19 18 17 16 15 14 13
AM
OSC
FM
OSC
PRE
VCO
Decode
SW
HYS
F.F
TUN
LED
ST
LED
FM
DET
AM/FM
SW
Level
DET
AM
DET
AGC
AM
MIX
FM
MIX
24 23
1 2 3 4 5 76 8 9 10 11 12
AM
RF In
FM
RF Out
V
CC
1 FM OSC AM OSC
DET
Out
MPX In LPF1 LPF2 VCO L ch Out R ch Out
FM RF In GND1 FM MIX AM MIX AGC V
CC
2
AM IF In
FM IF In
GND2 TUN LED
ST LED QUAD
L-ch
Volume
L-ch
Latch
R-ch
Latch
Data Decoder, STB Generator
Shift Register (13 bit)
161
15
14
13
12
11
10
9
Out
In
LD1
LD2
A-GND
STB
DATA
R-ch
Volume
V
SS
V
DD
2
3
4
5
6
7
8
Out
In
LD1
LD2
A-GND
CS
CK
1
8
16 9