Agilent Technologies Ininiium 90000 Especificaciones Pagina 70

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Chapter 4: Troubleshooting
Over-Voltage Fault
70
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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