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IBM PCjr Hardware Maintenance And Service

IBM PCjr
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1.
Set
the
system
unit's
Power
switch to Off.
2.
Unplug
the
power
transformer
cable
from
the
system
unit
connector
P.
3.
The
voltages
at
the
power
transformer
cable
plug
should
be
within
the
ranges
hsted
below.
4.
Measure
these
voltages
now.
Low
Vac
High
Vac
Pin
1
to
Pin
3
15.0
30.0
WERE
YOU
ABLE
TO
READ
THE
CORRECT
VOLTAGES?
3-020-8
Power
The
power
transformer
is
bad.
Replace
it.
Reconnect
aU
removed
items,
then
repeat
advanced
POST
and
the
advanced
tests
to
ensure
that
the
IBM
VCjr
is
operating
correctly.

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IBM PCjr Specifications

General IconGeneral
BrandIBM
ModelPCjr
CategoryDesktop
LanguageEnglish

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