Maintenance-2225 Service
7.
Do not slide the components over any surface.
9.
Use a soldering iron that is connected to earth
ground.
8.
Avoid handling components in areas that have a
floor or work-surface covering capable of
10.
Use only approved antistatic, vacuum-type
generating a static charge. desoldering tools for component removal.
PREVENTIVE MAINTENANCE
INTRODUCTION
Preventive maintenance consists of cleaning, visual
inspection, and checking instrument performance.
When performed regularly, it may prevent instru-
ment malfunction and enhance instrument reliability.
The severity of the environment in which the instru-
ment is used determines the required frequency of
maintenance. An appropriate time to accomplish
preventive maintenance is just before instrument
adjustment.
GENERAL CARE
electrical conduction path that could result in
instrument failure, especially under high-humidity
conditions.
Exterior
INSPECTION. Inspect the external portions of the
instrument for damage, wear, and missing parts;
use Table
6-2
as a guide. Instruments that appear to
have been dropped or otherwise abused should be
checked thoroughly to verify correct operation and
performance. Any problems found that could cause
personal injury or could lead to further damage to
the instrument should be repaired immediately.
The cabinet minimizes accumulation of dust inside
the instrument and should normally be in place when
operating the
oscilloscope.The optional front cover
for the instrument both-dust and damage
protection for the front panel and
crt. Whenever the
Do not allow moisture to get inside the instru-
instrument is stored or is being transported, the
ment during external cleaning. Use only
front cover should be used.
enough liquid to dampen the cloth or
applicator.
CLEANING. Loose dust on the outside of the instru-
ment can be removed with a soft cloth or small
soft-
bristle brush. The brush is particularly useful for dis-
Do not use chemical cleaning agents that
lodging dirt on and around the controls and con-
might damage the plastics used in this instru-
nectors. Dirt that remains can be removed with a
ment. Use
a
nonresidue-type cleaner,
soft cloth dampened in a mild detergent-and-water
preferably isopropyl alcohol or a solution of
solution. Do not use abrasive cleaners.
1%
mild detergent with
99%
water. Before
using any other type of cleaner, consult your
A plastic light filter is provided with the oscilloscope.
Tektronix Service Center or representative.
Clean the light filter and the crt face with a soft lint-
free cloth dampened with either isopropyl alcohol or
INSPEC'TION AND CLEANING
a mild detergent-and-water solution.
The instrument should be visually inspected and
Interior
cleaned as often as cperating conditions require.
Accumulation of dust in the instrument can cause To gain access to internal portions of the instrument
overheating and component breakdown. Dust on for inspection and cleaning, refer to the Removal
components acts as an insulating blanket, pre- and Replacement Instructions in the Corrective
venting efficient heat dissipation. It also provides an
Maintenance part of this section.
Scans
by
ARTEK
MEDLQ
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