Ic Lead Identification And Internal Diagrams - Casio ZD-1 Service Manual

IC LEAD IDENTIFICATION AND INTERNAL DIAGRAMS

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