A16 Reference Assembly Troubleshooting - Keysight n9020a Service Manual

L.O. Synthesizer/Reference Troubleshooting

A16 Reference Assembly Troubleshooting

A16 Reference Assembly Troubleshooting

In order to measure signals on analyzers with serial prefix < MY/SG/US5233,
NOTE
you will need to remove the rear panel. Refer to
procedure on
If the A16 Reference Assembly is suspect, verify the reference signals, local
oscillator output frequencies, and power levels as per
functioning spectrum analyzer.
The board layout in
serial prefixes) below identifies the input and output connectors and LEDs on
the A16 Reference Assembly.
If these outputs measure correctly, the A16 Reference Assembly is functioning
correctly. If not, the Reference Assembly is the most probable cause provided
the power supply is operating correctly. Refer to
Troubleshooting" on page 327
Figure 7-8 A16 Reference Assembly, Serial Prefix > MY/SG/US/5233
page 486 for details.
Figure 7-8, Figure
if the power supplies are suspect.
293
"Rear Panel"
Table 7-2
7-9, and Figure 7-10 (depending on
"A7 Midplane Assembly
removal
using a