Agilent Technologies Ininiium 90000 Dokumentacja Pobierz pdf (Strona 70)

Chapter 4: Troubleshooting

Over-Voltage Fault

Figure 4-16

The acquisition assembly nearest the bottom of the instrument is the channels 1 and 2

acquisition assembly (LOWER ACQ) while the one above it is the channels 3 and 4 acquisition

assembly (UPPER ACQ). If you look through the fan and see any of these over-voltage LEDs

illuminated, that acquisition assembly needs to be replaced.

If the oscilloscope still will not power on after you have followed the required steps in this

Power Supply Trouble Isolation section (and assuming you have looked through the other two

sections included in this Power Supply Trouble Isolation section to ensure your problem cannot

be fixed there), refer to the Motherboard Verification section in this chapter for additional

diagnosis suggestions.

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Agilent Technologies Ininiium 90000 Dokumentacja Strona 70