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Sharp MZ-80B Service Manual

Sharp MZ-80B
83 pages
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A3
A2
Al
AO
Peripheral
86
interface
85
18255)
B4
C7
C6
C5
C4
1--
-,
b STOP
I
b
I
p
p
I
PNL
BLKl
8LK2
P
RDATA
P
TREADY
b
WREADY
I
I
P
WDATA
P
WRITE
bREW
I
o
OPEN
I
L
_____
J
Block
Diagram around
the
Cassette
Condition
~
.
--T:-Ch~Ck
Point
,I,:
Load
is
not
possible.
Is
there
a signal
from
pin
6
of
le
26?
YES.
Check IC23.
NO.
Check
IC26.
Save
is
not
possible.
Is
there
a signal
from
pin
10
of
IC23?
YES.
Check
IC26.
NO:
Check
IC23.
Motor
does
not
turn.
Check
IC23.
MOtor
does
nOt
stop.
Check
IC23.
-
11
-
For cassette

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Sharp MZ-80B Specifications

General IconGeneral
BrandSharp
ModelMZ-80B
CategoryDesktop
LanguageEnglish

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