Tektronix DSA8200 Series, Service Manual

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Maintenance
DSA8200 Digital Serial Analyzer and Modules Service Manual
4- 3
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.
CAUTION.
To prevent getting moisture inside the instrument during external
cleaning, use only enough liquid to dampen the cloth or applicator.
Use the following guidelines and methods to inspect and clean the outside of the
instrument.
Inspection — Exterior.
Inspect the outside of the instrument for damage, wear, and
missing parts, using Table 4--1 as a guide. Immediately repair defects that could
cause personal injury or lead to further damage to the instrument.
Table 4- 1: External inspection check list
Item Inspect for Repair action
Cabinet, front panel,
and cover
Cracks, scratches, deformations,
damaged hardware.
Repair or replace 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.
Repair or replace defective
modules. Clear or wash out dirt.
80C0X male fiber con-
nections
Lint or dust on all male fiber
connections.
Clean all male fiber connections
with a lint-free cleaning cloth.
Carrying handle, and
cabinet feet
Correct operation. Repair or replace defective
module.
Accessories Missing items or parts of items,
bent pins, broken or frayed
cables, and damaged connec-
tors.
Repair or replace damaged or
missing items, frayed cables, and
defective modules.
Cleaning — Exterior. 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.
Clean the On/Standby switch using a dampened cleaning towel. Do not spray or
wet the switch directly.
Exterior