Agilent Technologies InfiniiVision 7000B Series Manual de servicio descargar pdf (Pagina 66)

66 7000 Series Oscilloscopes Service Guide

4 Troubleshooting

Solving General Problems with the Oscilloscope

This section describes how to solve general problems that you

may encounter while using the Agilent 7000 Series

Oscilloscopes to make measurements.

After troubleshooting the oscilloscope, if you need to replace

parts, refer to the “Replaceable Parts” chapter.

If there is no display

✔ Check that the power cord is firmly seated in the oscilloscope

power receptacle.

✔ Check that the power source is live.

✔ Check that the front-panel power switch is on.

✔ If there is still no display, go to the troubleshooting

procedures in this chapter.

If there is no trace display

✔ Check that the INTENSITY knob on the front panel is adjusted

correctly.

✔ Recall the default setup by pressing Save/Recall then Default

Setup. This will ensure that the trigger mode is Auto.

✔ 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.

✔ Obtain service from Agilent Technologies, if necessary.

If the trace display is unusual or unexpected

✔ Check that the Horizontal time/division setting is correct for

the expected frequency range of the input signals.

7000 service guide.book Page 66 Thursday, October 16, 2008 12:18 PM

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Agilent Technologies InfiniiVision 7000B Series Manual de servicio Pagina 66