Casio CZ-1 Service Manual And Spare Parts List

!
Base
voltage
generator
VCA
mixer
Main
VR
GND
(When
Max.
pressure)
9omi
rv rm* nm
nm
±
i
I
i
|
ill
stiHl
I
Hit
:t
>!
a
a
a
a a a
M
(*)
ID iO ^
Decoder
SN74CS174N-1
O
O O
O
O
O
^
(n
n v
m
(O
i
i
CI
D
O
o
w
c
w
V
c
o>
01
a>
o
>
^:>rrrrt~: rhrrrrr From Main
CPU
Data bus DO
-
D5
Output
volume
is
controlled
by
V
~A
(Voltage
Controlled
Amplifier)
M5241 L.
The VCA
amplitude
is
controlled by
VCA
control
signal
which
is
generated
by
VCA
mixer.
The
VCA
mixer
output
is
controlled
by
foot
VR,
main
VR,
and
after
touch
sensor, and varies its
output voltage
in negative
logic.
Besides,
VCA
control
signal
is
also
varied
by
Amp.
or
after
touch
parameter.
Main
VR
Pressure
of after
touch sensor
Amp./After
touch
parameter
15
8
VCA
control
signal
Min.
No
pressure
-4.6V
-3.6V
-2.5V
Max.
No pressure
-2.0V
-1.0V
+0.2V
Max.
Max. pressure
\
+0.2V
+0.2V +0.2V
-56-

Casio CZ-1 Specifications

General

Brand	Casio
Model	CZ-1
Category	Synthesizer
Language	English