Tektronix AWG7000 Series, Service Manual

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Maintenance
AWG7000 Series Service Manual
4-5
Cleaning Procedure — Interior.
Do the following steps to clean the instrument
interior:
1. Blow off dust with dry, low-pressure, deionized air (approximately 9 psi).
2. Remove any remaining dust with a lint-free cloth dampened in isopropyl
alcohol (75% solution) and rinse with warm deionized water. (A cotton-tipped
applicator is useful for cleaning in narrow spaces and on circuit boards.)
Lubrication. There is no periodic lubrication required for the AWG7000 Series
Arbitrary Waveform Generator.
Table 4-2: Internal inspection checklist
Item Inspect for Repair action
Front and Rear Case Cracks or deformations. Scratched lettering
or display filter. Loose connectors or labels.
Repair or replace defective
hardware.
Circuit boards Loose, broken, or corroded solder
connections. Burned circuit boards. Burned,
broken, or cracked circuit-run plating. Remove failed module and
replace with a new module.
Solder connections Cold solder or rosin joints. Resolder joint and clean
with ethyl alcohol.
Wiring and cables Loose plugs or connectors. Burned, broken,
or frayed wiring. Firmly seat connectors.
Repair or replace modules
with defective wires or
cables.
Chassis Dents, deformations, and damaged
hardware. Straighten, repair, or
replace defective hardware.
NOTE. If steps 1 and 2 do not remove all the dust or dirt, please contact Tektronix.
(See Contacting Tektronix at the front of this manual.)