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Hitachi MB-6890 Service Manual page 98

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YES
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NO
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orking?
YES
pear
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?
NO
Can
YES
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NO
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puls-
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0
YES
keyboard
u
.
No
appear
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YES
.
outpu'
appear
8
YES
ulse
NO
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at
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_
YES
ls
_
at
lc:
IU?
YES
ulse
_
at
IC9
YES
X
9
X
9
X
X
Defective
96
*
should
waveform
when
the
key
15
lse
N0
at
Ic99,
»
ln?
YES
X
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I
CH
:cn
X
'
102
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ll
ll
?
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ln
_
YES
chlp
X
,¢w2
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contact
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»
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X
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X
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