Section 3-7M13
MAINTENANCE
Change information, if any,
affecting this section will be found at the rear of
this
manual.
INTRODUCTION
This section contains m
a
inte
na
nce,
troubleshooting,
and part ordering information. Further maintenance
information
relating to
components, color codes,
and
soldering techniques
can be found
in the Tektronix
7000-series mainframe manuals.
PREVENTIVE MAINTENANCE
Preventive maintenance, consisting
of
cleaning, visual inspection, lubrication, etc., performed on
a
regular basis, will improve the
reliability of
this instrument. Periodic checks on the semiconductor devices
used in the unit are not recommended as a preventive maintenance measure.
See
semiconductor-checking
information given under troubleshooting.
Cleaning
Avoid
the use of chemical cleaning
agents
which m
ig
ht damage the plastics in this instrument.
Avoid chemicals containing benzene, toluene, xylene, a cetone, or similar solvents.
Front
Panel.
Loose
dust
may
be
removed with
a
soft
brush
or cloth. Water and a mild detergent may be
used; however, abrasive cleaners
should not
be used.
Interior. Cleaning the interior
of the
unit
should
be done with low-velocity compressed air
to
blow off
the
accumulated dust. Hardened dirt can
be
removed with a soft, dry paint brush, cotton·tipped
swab, or
a
cloth
dampened
with
a
solution of mild detergent
and
water.
Lubrication
Use
a deaning·type
lubricant
on
interconnecting plug
contacts
and
switch contacts.
A
lubrication
kit
containing necessary lubricating materials and instructions is available through any Tektronix Field Office.
Order Tektronix
P
a
r
t
Number 003'()342'()1.
TROUBL
ESHOOTING
The following
is provided to
augment
information contained in other sections
of
this manual when
troubleshooting the
7M13.
The schematic
diagrams and
theory of operation should be
used
to
full
advantage. Schematic
diagrams appear
on foldout
pages in
section
6
of
this manual.
The
c
ir
cu
i
t
board
drawing appears on
the
back
of
the
foldout diagram. Each
board mounted electrical component is
identified on the drawing
by
its circuit number.
Troubleshooting Procedure
This troubleshooting procedure is
arranged in an
order
that
checks the simple trouble possibilities
before
proceeding with more extensive
troubleshooting.
3-1
REV B SEP 1979
