Tektronix TLA7AA Series, Service Manual

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Maintenance
TLA7AXX/TLA7NAX Logic Analyzer Module Service Manual
6- 3
Inspect the outside of the instrument for damage, wear, and missing parts. Use
Table 6--1 as a guide. Instruments that appear to have been dropped or otherwise
abused should be checked thoroughly to verify correct operation and perform-
ance.
Immediately repair defects that can cause personal injury or lead to further
damage to the logic analyzer module or mainframe where it is used.
Table 6- 1: External inspection check list
Item Inspect for Repair action
Front panel and side
cover Cracks, scratches, deformations,
missing or damaged retainer
screws, ejector handles, or EMI
shields. Replace defective or missing
mechanical parts.
Front panel connectors Broken shells, cracked insulation,
and deformed contacts.
Dirt in connectors.
Replace defective parts or clean
parts based on the cleaning
procedures.
Rear connectors Cracked or broken shells, dam-
aged or missing contacts.
Dirt in connectors. Replace defective parts or clean
parts based on the cleaning
procedures.
Accessories Missing items or parts of items,
bent pins, broken or frayed
cables, and damaged connectors. Replace damaged or missing
items, frayed cables, and defec-
tive modules.
To clean the exterior, perform the following steps:
1. Remove loose dust on the outside of the logic analyzer module with a lint
free cloth.
2. Remove remaining dirt with a lint-free cloth or applicator and water, using
only enough liquid to dampen the cloth or applicator. Do not use abra-
sive cleaners.
Exterior Inspection
Exterior Cleaning
Procedure