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Maintenance Information Manual
The information contained in this manual is
to
be used
as reference material when diagnosing machine failures.
The maintenance information manual consists
of
maintenance procedures, diagnostic aids, theory, high
level logics, and programming problem solving
information.
An
appendix provides information on
general topics
that
may be helpful in servicing the 5100
Portable Computer.
The format
for
page numbering is
XXX-YYV.Z;
where
XXX is the section number, YVY is the page number,
and Z (although not normally used) is
for
expansion
when
it
is
not
feasible
to
renumber previously numbered
pages.
Referencing techniques used
within
the maintenance
information manual are:
MAP
three-digit
references
Page-to-page
On
page
MAP
three-digit
reference numbers are assigned
to
location drawings and maintenance procedures
for
referencing from the MAPs. For example, 227 refers
to
the tape control card pin assignments.
Page-to-page
or
references
within
a section are
to
the specific page
containing the information. For example, see page
2-16.
On
page references are: this page, see below, etc,
or
for
graphics
with
callouts,
to
the specific callout.
MAINTENANCE
This section consists
of
location drawings and
maintenance procedures
for
repairing or replacing FRUs.
The location drawings are
of
two
types:
An
overall 5100
Portable Computer reference drawing showing the major
functional units, and detail location drawings showing
the FRUs
within
a functional unit. Maintenance
procedures consist
of
service checks, removals,
replacements, and adjustment procedures. All
procedures and drawing have
three-digit
reference
numbers assigned
for
referencing from the MAPs.
DIAGNOSTIC
AIDS
Diagnostic program descriptions,
how
to
use them, and
the options available when they are in control are found
in this section. MOl information
for
the printer,
communications, auxiliary tape, and tape
write
functions
are also located here. To further aid in diagnosing
machine failures, a list
of
halt codes and error conditions
is included in this section.
THEORY
The theory section contains descriptions
of
the 5100
Portable Computer functional units and features. These
descriptions are preceded by a system overview
that
gives you a general picture
of
the
5100 overall operation
and where each function or feature fits.
CIRCUITS
This section contains a card plug chart, signal cable
charts, voltage distribution diagrams, and high level logic
diagrams
with
pin numbers. The logics provide you
with
only that information
that
allows you
to
understand the
5100 Portable computer functions and probe points
for
checking these functions.
LANGUAGE SUPPORT
This section contains
the
reference material
for
determining the causes
of
programming problems.
APPENDIX
The appendix contains
the
installation procedures
for
the
5100 Portable Computer and
for
the 5106 Auxiliary Tape
Drive. Additional maintenance information is also
located here.
ABBREVIATIONS
AND
GLOSSARY
This section contains definitions
of
uncommon terms
and abbreviations used
within
the maintenance
information manual and the MAPs.
INDEX
The index is a detailed listing
of
all topics
within
the
maintenance information manual.
Maintenance
Information
Manual 1-11
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