HP 54620A - To Test the Display; To Test the Acquisition System

To test the display
1
Press
Utility
.
2
Press
Self Tst Menu
.
3
Press
Display
.
The analyzer will prompt you to press any key to continue through the test.
If any of the tests fail, you must replace the display. See chapter 6,
“Replaceable Parts,” for instructions. If your HP 54620A/C is under
warranty, or you want to have HP perform the repair, contact your local
Hewlett-Packard Sales Office.
Display Tests when using HP 54652B and HP 54659B Modules
When using the HP 54652 and HP 54659 "B-series" modules, you must press the
Service Menu softkey after Utility to enter the display tests.
To test the acquisition system
Testing the acquisition system does not check a specification, but does
provide confidence that the system is functioning correctly.
1
Disconnect probes from the circuit under test or other input source.
2
Connect channels 0, 1, 2, and 3 to the calibration test point on the
HP 54620A/C front panel, using probe leads and grabbers.
3
Press
Autoscale
.
If four square waves appear, the acquisition system is functioning correctly.
4
Repeat steps 2 and 3 with the following sets of channels.
•
4, 5, 6, 7
•
8, 9, 10, 11
•
12, 13, 14, 15
Be sure to disconnect each set of channels from the calibration test point
before connecting the next.
Testing, Adjusting, and Troubleshooting the Analyzer
To test the display
154