Tektronix RTX100B, Service Manual

Page: 106 / 178

Maintenance
5-4
RTX100B ISDB-T RF Signal Generator Service Manual
Table 5-1: External inspection check list
Item Inspect for Repair action
Cabinet, front panel,
and cover.
Cracks, scratches, deformations,
damaged hardware or gaskets.
Repair or replace defective
module.
Front-panel buttons Missing, damaged, or loose
buttons.
Repair or replace missing or
defective buttons.
Connectors Broken shells, cracked insulation,
and deformed contacts. Dirt in
connectors.
Repair or replace defective
modules. Clear or wash out dirt.
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 Procedure — Exterior. To clean the RTX100B exterior, perform the
following steps:
1.
Remove loose dust on the outside of the RTX100B with a lint free cloth.
2. Remove remaining dirt with a lint free cloth dampened in a general purpose
detergent-and-water solution. Do not use abrasive cleaners.
3. Clean the light filter protecting the monitor screen with a lint-free cloth
dampened with a gentle, general purpose detergent-and-water solution.
CAUTION
. To prevent getting moisture inside the RTX100B during external
cleaning, use only enough liquid to dampen the cloth or applicator.
Inspection — Interior.
To access the inside of the RTX100B for inspection and
cleaning, refer to the Removal and Installation Procedures in this section.
Inspect the internal portions of the RTX100B for damage and wear, using
Table 5-2 as a guide. Defects found should be repaired immediately.
CAUTION .
To prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the RTX100B.