If There Is No Trace Display - HP 54645A User's And Service Manual

Testing, Adjusting, and Troubleshooting

If there is no trace display

If there is no trace display
Check that the power cord is connected to the oscilloscope and to a live
power source.
Check that the front-panel power switch is set to 1 (on).
Check that the display is illuminated and that the brightness is adjusted
correctly.
If there is no display, see the troubleshooting procedures in this chapter.
Check that the oscilloscope 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, and that the ground is connected.
Check that the circuit under test is powered on.
Press Autoscale.
Reset the oscilloscope.
To reset the entire oscilloscope, press and hold any softkey and switch the
oscilloscope power on. Release the softkey when the measurement display
appears.
Obtain HP service, if necessary.
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