If there is no trace display
Check that the power cord is connected to the HP 54620A/C and to a live
power source.
Check that the front-panel power switch is set to 1 (on).
Check that the display is on and the brightness is adjusted correctly.
If there is no display, see the troubleshooting procedures in chapter 5,
“Testing, Adjusting, and Troubleshooting the Analyzer.”
Check that the analyzer probe cable is securely connected to the input
connector. The key on the probe cable should be facing down.
Check that the analyzer probe lead wires are securely inserted into the
connector assembly and that the grabbers make good contact with the
probe lead wires.
Check that the grabbers are securely connected to the nodes of the
circuit under test.
Check that the circuit under test is powered on.
Press Autoscale.
If the activity indicators do not show any activity on any input channels, the
circuit under test may be powered off, inactive, or malfunctioning.
Reset the logic analyzer.
•
To reset the analyzer without initializing the label list, press and hold any
front-panel key (except the Label key) and switch the analyzer power on.
Release the key when the measurement display appears.
•
To reset the entire analyzer, press and hold the two rightmost softkeys
and switch the analyzer power on. Release the two keys when the
measurement display appears.
or
Press and hold the Label key and switch the analyzer power on.
Release the key when the measurement display appears.
Obtain HP service, if necessary.
Solving Problems
If there is no trace display
123
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