42 Keysight InfiniiVision 1200 X-Series and EDUX1052A/G 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 Keysight InfiniiVision 1200 X-Series and EDUX1052A/G
oscilloscopes.
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 (on the front panel) is adjusted correctly.
✔ Recall the default setup by pressing [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 [Auto Scale] key.
✔ Obtain service from Keysight 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.
✔ The sampling speed of the oscilloscope depends on the time/division setting. It
may be that when time/division is set to slower speeds, the oscilloscope is
sampling too slowly to capture all of the transitions on the waveform. Use peak
detect mode.
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