Block Diagrams; Tuner - Casio ZD-1 Service Manual

Tuner

Loop Antenna
L2 L5
FM
AM
RF Out
RF In
24 23
FM
RF
MIX
1 2
GND1
Rod
FM
Antenna
RF In
L7
FM Signal
AM Signal

BLOCK DIAGRAMS

L4
FM
AM
OSC
OSC
V 1
CC
22 21 20
FM AM
OSC OSC
AM
AF
DED
FM AM
AGC
MIX
3 4 5
FM MIX AM MIX
AGC
L8
FM-MONO
L3
DET
MPX In
Out
19 18 17
PRE
FM
AF
AM/FM
SW
AM
AM
IF
Level
DET
6 7
V 2
AM IF FM IF
CC
In
CF2
CF1
6
To Amplifier Block
GND V
SW1
AM
BAND SW
FM-
Stereo
LPF1 LPF2
VCO
16 15 14
VCO
HYS
F.F
FM
IF
TUN ST
LED LED
8 9 10 11
GND2
In
R ch L ch
CC
1 2 3 4
D3
13
Decode
SW
FM
DET
12
QUAD
L9