Inspection and Cleaning
TDS 310, TDS 320 & TDS 350 Instruction Manual
83
Table81:External Inspection Check List
Item
Inspect For
Repair Action
Cabinet, front panel,
and cover
Cracks, scratches, deformations, dam
aged hardware or gaskets.
defective module.
Front panel knobs
Missing, damaged, or loose knobs.
Repair or replace missing or defective
knobs.
Connectors
Broken shells, cracked insulation, and
deformed contacts. Dirt in connectors.
defective modules. Clear or wash out dirt.
Carrying handle and
cabinet feet
Correct operation.
defective module.
Accessories
Missing items or parts of items, bent pins,
brokenor frayed cables, and damaged
connectors.
damaged or missing items, frayed cables,
and defective modules.
Cleaning Procedure
Exterior
WARNING
To avoid injury or death, unplug the power cord from line voltage
before cleaning the oscilloscope. To avoid getting moisture inside
the oscilloscope during external cleaning, use only enough liquid to
dampen the cloth or applicator.
1. Remove loose dust onthe outside of the oscilloscope with a lint free
cloth.
2. Remove remaining dirt with a lint free cloth dampened in a general pur
pose detergent andwater solution. Do not use abrasive cleaners.
3. Clean the monitor screen with a lint free cloth dampened with either iso
propyl alcohol or, preferably, a gentle, general purpose detergent and
water solution.
Inspection
Interior
To access the inside of the oscilloscope for inspection and cleaning, refer to
the Removal and Installation Procedures inthis section.
Inspect the internal portions of the oscilloscope for damage and wear, using
Table 82 as a guide. You should repair defects immediately.
If you replace any electrical module, perform the adjustment procedures,
beginning on page 71.
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