Preface
The Hardware Maintenance
and
Servicemanual helps
you isolate and repair failures of the IBM PCyr. You
should be trained to service
the
IBM
PC/r
and
be
famihar
with
the
Triplett
Model
310
Multimeter^
(or
equivalent).
This
manual
consists
of
six
sections:
Section 1,
"Introduction,"
provides acapsule
description of the IBM PCyr
and
its options.
Section 2,
"Introduction
to Diagnostics," hsts
the
items
you
need
to perform
the
IBM
PCyrdiagnostics.
Detailed instructions explaining
how
to perform
the
advanced
power-on
self-test
(POST)
and
other
advanced
tests
are
included
here.
Section
3,
"Problem
Isolation
Charts,"
contains
the
start point for
IBM
PCyr diagnostics. This section
assumes
you
have
read
Section
2
and
know
how
to
perform
advanced
tests.
Section 4, "Removal/Replacementand Adjustments,"
provides all the information needed to complete arepair
after
the
failing field replaceable
unit
(FRU)
is
identified
in
Section
3.
Section 5, "Locations," assists you in finding a
part
or
FRU
in
the
IBM
PCyr.
1Manufactured by Triplett Corporation, Bluffton, Ohio 45817
m
