Midi - Casio CZ-1 Service Manual And Spare Parts List

24.
MIDI
INTERFACE CIRCUIT
MIDI
(Musical
Instrument Digital Interface)
is
an
international
standard
for external
control
of electronic musical instruments. In
other words, standardized input and output
terminals
are
equipped with musical instruments,
rhythm
machines, sequencers,
etc.
and music
inform-
ation
which
the
machines send and
receive via
these terminals
is
made
compatible
by
certain
formatting. This standard enables a musical instrument to
connect, synchronize, and sequence
(memorize)
to
other
models and even
to
other makes.
MIDI
clock
pulse generator
TC
ll/«lat
MAIN-CPU
*iPD7810H
-MA1M
PCB-
MA3M
PCB
Serial
data informations
from
other instruments comes
in
from MIDI-IN
terminal
and
enters
MAIN
CPU's PC1
terminal
via
photo
coupler
PC900.