Maintenance
Inspection and cleaning
Inspection and cleaning are done as preventive maintenance. Preventive maintenance, when done regularly, can prevent oscilloscope
malfunction and enhance its reliability.
Preventive maintenance consists of visually inspecting and cleaning the oscilloscope, and using general care when operating it. How often
you do maintenance depends on the severity of the environment in which you use the oscilloscope. A good time to perform preventive
maintenance is just before adjustment of the oscilloscope.
General care
For best performance, follow these recommendations:
• Protect the oscilloscope from adverse weather conditions. The oscilloscope is not waterproof.
• Do not store or leave the oscilloscope where the liquid crystal display (LCD) is exposed to direct sunlight or high humidity for long
periods of time.
• The front and rear cases help to keep dust out of the oscilloscope and must be in place during the normal operation.
• To avoid damage to the oscilloscope or probes, do not expose them to any sprays, liquids, or solvents.
Interior cleaning
Use a dry, low-velocity stream of air to clean the interior of the chassis. Use a soft-bristle, non-static-producing brush for cleaning around
components. If you must use a liquid for minor interior cleaning, use a 75% isopropyl alcohol solution and rinse with deionized water.
Warning: To avoid injury, power off the instrument and disconnect it from line voltage before performing any procedure that
follows.
Exterior cleaning
CAUTION: Avoid the use of chemical cleaning agents, which might damage the plastics used in this oscilloscope. Use only
deionized water when cleaning the menu buttons or front-panel buttons. Use a 75% isopropyl alcohol solution as a cleaner and
rinse with deionized water. Before using any other type of cleaner, consult your Tektronix Service Center or representative.
Clean the exterior surfaces of the chassis with a dry lint-free cloth or a soft-bristle brush. If any dirt remains, use a cloth or swab dipped in a
75% isopropyl alcohol solution. Use a swab to clean narrow spaces around controls and connectors. Do not use abrasive compounds on
any part of the chassis that may damage the chassis.
CAUTION: To prevent getting moisture inside the oscilloscope during external cleaning, use only enough liquid to dampen the
cloth or applicator.
Clean the On/Standby switch using a dampened cleaning towel. Do not spray or wet the switch directly.
If the display is very dirty, moisten the wipe with distilled water or a 75% isopropyl alcohol solution and gently rub the display surface. Avoid
using excess force or you may damage the plastic display surface.
Exterior inspection
Inspect the outside of the oscilloscope for damage, wear, and missing parts. Refer
#unique_18/unique_18_Connect_42_T-
for immediate repair defects that could cause personal injury or lead to further damage to the
oscilloscope.
Maintenance
TBS1000C Series Digital Storage Oscilloscope Service Manual
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