Service manual
MZ-80K
The
machine comprises five main units, CPU
board,
display, cassette
tape
recorder,
keyboard,
and
power
supply
circuits. For a quick
solution
to
most
operating
difficulties, first
consult
the
chart
below
to
find which section
of
the
machine
is
subjected
to
the
trouble,
and
next
to
do
the
checkings according
to
more detailed instructions given
in
the
succeeding pages.
C
___
S-,ta_rt
__
)
Yes
Yes
Is
the
cassette
recorder
normal?
Yes
Yes
Yes
End
No
No
No
No
No
-4-
Check for
the
power
supply
circuit.
Check
for
the
CRT
display.
Check for
the
cassette
recorder.
Check for
the
keyboard.
Check for
the
CPU board.
•
I
f