Tektronix WFM6100 Opt. MB, Service Manual

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General Maintenance
WFM6100, WFM7000, and WFM7100 With Option FP Service Manual
4- 3
CAUTION.
Avoid the use of chemical cleaning agents that might damage the
plastics used in the waveform monitor. Use only deionized water when cleaning
the front-panel buttons. Use a glass cleaner to clean the LCD. For the rest of the
instrument, use a 75% isopropyl alcohol solution as a cleaner and rinse with
deionized water. Before using any other type of cleaner, consult your Tektronix
Service Center or representative.
Inspection — Exterior.
Inspect the outside of the waveform monitor 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 waveform
monitor.
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.
Carrying handle and
cabinet feet Correct operation. Repair or replace defective part.
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.
LCD Cracks Replace the LCD assembly.
Dirty Clean with glass cleaner.
Inspection — Interior. To access the inside of the waveform monitor for inspection
and cleaning, you will need to remove the top cover.
Inspect the internal portions of the waveform monitor for damage and wear,
using Table 4--2 as a guide. Defects found should be repaired immediately.
If any circuit board is repaired or replaced, use the performance verification
procedures to see if it is necessary to adjust the waveform monitor.