A7 Midplane Assembly Troubleshooting - Keysight n9020a Service Manual

Power Supply/Midplane Troubleshooting

A7 Midplane Assembly Troubleshooting

A7 Midplane Assembly Troubleshooting
If there is an analyzer function such as a boot up issue where the power
supplies are suspect, view the power supply LED's on the Midplane Assembly
by removing the instrument outer cover. See
Figure 9-4 Midplane Assembly
As shown above, the Midplane Assembly has test points for each power supply
that can be used as measurement points. These DC voltages can be verified
with a voltmeter. Continuity measurements can also be performed on each
power supply if a shorted condition is suspect. Refer to the table below for
measurement details.
Figure
327
9-4.