Tektronix WVR6020 Service Manual

General Maintenance
Inspection — Ex
terior. Inspect the outside of the waveform rasterizer for damage,
wear, and missing parts, using the following table as a guide. Immediately repair
defects that could cause personal injury or lead to further damage to the waveform
rasterizer.
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, c racked
insulation, and deformed
contacts. Dirt in connectors
Repair or replace defective
modules. Clear or wash out
dirt
Rackmount slides
Correct operation Repair or replace defective
module
Accessories
Missing items or parts of
items, bent pins, broken or
frayed cables, and damaged
connectors
Repair or replace damaged
or missing items, frayed
cables, and defective
modules
Inspection — Interior. To access the inside of the waveform raste r izer fo
r
inspection and cleaning, you will need to remove the top cover.
Inspect the internal portions of the waveform rasterizer for damage and wear, using
the following table as a guide. Defects found should be repaired immediately.
If any circuit board is repaired or replaced, check the following table to s ee if it is
necessary t
o adjust the waveform rasterizer.
CAUTION. To prevent damage from electrical arcing, ensure that circuit boards
and components are dry before applying power to the waveform rasterizer.
Table 4-2: Internal inspection check list
Item Inspect for Repair action
Circuit boards
Loose, broken, or corroded
solder connections.
Burned circuit boards.
Burned, broken, or cracked
circuit-run plating.
Remove and replace
damaged circuit board.
Resistors Burned, cracked, broken,
blistered condition.
Remove and replace
damaged circuit board.
Solder connections Cold solder or rosin joints.
Resolder joint and clean
with isopropyl alcohol.
WVR6020, WVR7020, and WVR7120 Waveform Rasterizers Service Manual 4–3

Tektronix WVR6020 Specifications

General

Brand	Tektronix
Model	WVR6020
Category	Measuring Instruments
Language	English