Tektronix Digital Storage Oscilloscope TDS2002C

Power off the instrument and disconnect it from line voltage

Blow off dust with dry, low-pressure, deionized air (approximately 9 psi)

Remove remaining dust with a lint-free cloth dampened in isopropyl alcohol (75% solution) and wipe with a lint-free cloth dampened with warm deionized water

Is the module clean after initial cleaning?

Spray wash modules (except Display and Front Panel) with 75% isopropyl alcohol

Spray wash dirty parts with 75% isopropyl alcohol and wait 60 seconds for evaporation

Warm up the oscilloscope for at least ten minutes in an ambient temperature between 20 °C and 30 °C

Push the Factory Cal option button

Push the Warmup Timer option button

Push the Start Timer option button to allow a 10-minute warmup

Refer to the Removal Procedures to access the inside of the oscilloscope.

Inspection of Internal Components

Inspect circuit boards for the following issues

Inspect resistors for the following issues

Inspect solder connections for the following issues

Inspect capacitors for the following issues

Inspect wiring and cables for the following issues

Inspect chassis for the following issues

Inspect the oscilloscope for any physical damage or wear.

Ensure the following parts are in place and intact

Clean the oscilloscope exterior with a dry, lint-free cloth.

Ensure no liquids or solvents are used during cleaning.

Storage and Handling Recommendations

Is the oscilloscope stored away from direct sunlight and high humidity?

Is the oscilloscope protected from adverse weather conditions?

Repair or replace defective module

Repair or replace missing or defective knobs

Repair or replace defective modules