Casio CZ-1 Service Manual And Spare Parts List

10-1
.
Function
of
Each
Block
F/F
1
-
Set by
the
clock
pulse
'0'
end
signal R2
from
SUB
CPU,
end generetes
signet
SYC
which
synchronizes
MAIN end SUB
CPUs.
FUNCTION
TABLE
INPUT
OUTPUT
PRESET
CLEAR
CLOCK
Q
L
H
X
X
H
L
H L
X X L
H
L
L
X X
M
#
H»
M
H
t
H
H
L
H
H
t L L
M
H
H
L
X
Oo
Q«
Decoder
1
-
Generates
clock pulses
for the latches from signals AO
-
A3. A14,
A
15.
PO
andWR.
FUNCTION
TABLE
Latch
2
Latch 3
Latch
4
Latch
5
ENABLE
INPUT
SELECT
INPUT
OUTPUT
G1 G2*
c e
A VO VI Y2
Y3 Y4
vs
ve
V7
X
H
XXX
H H
H H H
H
H
H
L
X XXX N
M
H H H
H M N
M
L
L L L
L
H H H
M
H
H
H
H
L L
L
M H
L
H
M M
H M
H
H
L
L
H
L
H
H
L
M
H
M
H M
H
L
L
M
H H H M
L
H
H M
H
H
L
M
L
L
H
H H
H
L
H H H
N
L
H
H
L
H N M
H M
H
L
H
N
L
M
H
M
H H
H M H H H
L
•52-52A*53B
Letch
1
-
Converts MAIN
CPU's dete bus
(00
-
07)
into eddress
bus
AO
-
A7,
end
generates
clock
pulses
'0'
-
'5\
For data
transfer
from
MAIN CPU
to SUB CPU.
Transfers
date
from pitch bender
end
modulator wheel
to
SUB
CPU.
For
data
transfer
from
SUB
CPU
to MAIN
CPU.
Converts
SUB CPU's
deta bus
(DSO
-
0S7) into address
bus
ASO
-
AS7.
FUNCTION
TABLE (EACH LATCH) FUNCTION
TABLE (EACH
FLIP-FLOP)
INPUT
OUTPUT
6c
ENABLE
C
L
H H
H
L
H
L
L
L
L
X
Q%
H
X X
2
INPUT
OUTPUT
6c
CLK
L
t
H
H
L
t
L L
L
X
©•
t
X
X
z
Latch 1
andS
Uich
2^4
-24-

Casio CZ-1 Specifications

General

Brand	Casio
Model	CZ-1
Category	Synthesizer
Language	English