General Maintenance
WFM6100, WFM7000, and WFM7100 With Option FP Service Manual
4- 5
5.
Spray wash dirty parts with the isopropyl alcohol and wait 60 seconds for the
majority of the alcohol to evaporate.
6.
Dry all parts with low-pressure, deionized air.
Lubrication.
There is no periodic lubrication required for the waveform monitor.
Troubleshooting
The procedures in this section will help you trace the root cause of a problem
back to one of the replaceable modules. In general, this is a board-level
replacement but there are a few components on some boards that are replaceable.
WARNING.
Before performing this or any other procedure in this manual, read
the
General Safety Summary
and
Service Safety Summary
found at the
beginning of this manual.
To prevent possible injury to service personnel or damage to electrical compo-
nents, please read
Preventing ESD
on page 4--1
.
This procedure consists of two main sections: the first section contains the
Symptoms and Causes
table, and the second section contains a set of
Detailed
Troubleshooting Procedures
. The table lists common problems and should help
you identify the problem or it may direct you to one of the detailed troubleshoot-
ing procedures in the second section. If you do not find your instrument’s
problem in the table, or if no specific problem was reported by the user, then
follow the steps in the
Unknown Problem
section in the Symptoms and Causes
table.
To properly test a waveform monitor you must have appropriate signal sources.
Depending on what portion of the instrument you are testing, this might include
Composite video, Serial Digital Video, Analog Audio, or Digital Audio. In some
cases, you may also need receivers or an oscilloscope to check outputs.
These instruments consist of several boards and major components. Some of
these are optional as shown below. The objective of this troubleshooting guide is
to isolate a problem to a module or board so it can be replaced. This guide does
not provide information to troubleshoot to the component level.
Standard boards and modules:
H
Power Supply
H
Display Assembly (LCD, Backlight inverter, Front Panel board with buttons,
LEDs, and knobs)
Getting Started
Summary of Contents for WFM6100 Opt. MB
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Page 12: ...Service Safety Summary viii WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...
Page 64: ...Repackaging Instructions 4 34 WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...
Page 76: ...Replaceable Parts 5 12 WFM6100 WFM7000 and WFM7100 With Option FP Service Manual ...