Maintenance
1710J-Series Waveform Monitors
8–7
WARNING.
To avoid any potential of electrical shock, disconnect power before
removing the instruments cabinet.
CRT.
Clean the CRT protective shield, light filter, and CRT face with a soft,
lint-free cloth dampened in denatured alcohol.
Interior.
Interior cleaning is not recommended, but if it is necessary, use
low-velocity, dry air to blow away dust or lint. If air alone does not remove all of
the dust and lint, use a soft brush to complete the task. Exercise extreme care to
not disturb components on the plug-in circuit boards during cleaning.
CAUTION.
This instrument contains static sensitive devices that can be damaged
by static discharge. Wear a wrist grounding strap when working on this
instrument’s circuitry.
CAUTION.
Do not allow water to get inside any enclosed assembly or component.
Do not clean any plastic materials with organic cleaning solvents, such as
benzene, toluene, xylene, acetone, or similar compounds, because they may
damage the plastic.
After cleaning, carefully check the instrument for defective connections,
damaged parts, and improperly seated transistors or integrated circuits. The
remedy for most visible defects is obvious; however, if heat–damaged parts are
discovered, determine the cause of overheating before replacing the damaged
part, to prevent additional damage.
Periodic checks of the transistors and integrated circuits are not recommended.
The best measure of performance is the actual operation of the component in the
circuit.
Instrument performance should be checked after each 2000 hours of operation or
every 12 months, if used intermittently. This will help to ensure maximum
performance and assist in locating defects that may not be apparent during
regular operation.
Visual Inspection
Performance Verification
and Readjustment
Содержание 1710J Series
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