Agilent Technologies 42D Specifications download pdf (Page 79)

5-3

Solving General Problems with the Oscilloscopes

This section describes how to solve general problems that you may

encounter while using the 54641A/42A Oscilloscopes and the

54641D/42D Mixed-Signal Oscilloscopes to make measurements.

After troubleshooting the oscilloscope, if you need to replace parts,

refer to the “Replaceable Parts” chapter.

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

INTENSITY knob is adjusted

correctly.

❏ If there is no display, go to the troubleshooting procedures in this chapter.

❏ Check that the oscilloscope probe lead wires are securely inserted into the

connector assembly and that the probe clips make good contact with the probe

lead wires.

❏ Check that the probe clips are securely connected to points in the circuit under

test, and that the ground is connected.

❏ Check that the circuit under test is powered on.

❏ Press the Autoscale key.

❏ Reset the oscilloscope.

• To reset the entire oscilloscope, press and hold any softkey and switch the

oscilloscope power on. Release the softkey when the display appears.

❏ Obtain service from Agilent Technologies, if necessary.

service.book Page 3 Wednesday, August 28, 2002 3:25 PM

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Agilent Technologies 42D Specifications Page 79