Troubleshooting
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TDS7104 & TDS7054 Service Manual
2. Exit all other applications and exit all windows.
3. Click Start → Programs → QAPlus_Win → QAPlus_Win.
4. Touch OK and select the tests you want to perform.
5. To restore the oscilloscope to normal operating condition, reboot the
oscilloscope after QAPlus/Win diagnostic tests are complete.
Oscilloscope Diagnostics. If the oscilloscope passes all the CheckIt tests, the
primary tree calls for you to run the oscilloscope Diagnostics. The oscilloscope
Diagnostics are a comprehensive software test that checks the functionality of the
oscilloscope. If the oscilloscope Diagnostics test fails, the oscilloscope is
defective.
To run the oscilloscope Diagnostics, do the following steps:
1. Turn off all other applications.
2. From the menu bar, touch Utilities and then select Instrument Diagnostics.
The oscilloscope has two levels of internal diagnostics that focus on verifying,
adjusting, and if need be, isolating faulty modules.
Both levels of internal diagnostics report any bad modules. If a bad module is
found, replace the module.
The two levels of diagnostics are the short confidence set and the extended set
that tests the oscilloscope circuitry in depth and takes more time. At power on,
the oscilloscope automatically executes the short set. The extended set is optional
and is executed by using the following procedure:
Prerequisites: Power on the oscilloscope and allow a 20 minute warm-up before
doing this procedure.
1. Display the System diagnostics menu:
a. From the menu bar, touch Utilities and then select Instrument Diagnos -
tics.
Firmware Updates
Firmware updates are easy to do. Simply install the firmware CD in your
oscilloscope and follow the displayed instructions or the instructions that
accompany the CD.
If you want to order a firmware update, contact your Tektronix service center.
Diagnostics
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