Verifying Aux If Out, Rear Panel (Option Cr3, Crp Only); Standard Analyzer - Keysight N9010B Service Manual

Front End Control Troubleshooting
A15 Front End Control Assembly Troubleshooting
Verifying Wideband IF Out (A15J901, Option B40 only)
The outer cover and top shield need to be removed to verify A15J901 output.
Refer to
procedure. Press Mode, IQ Analyzer (Basic), Mode Preset on the analyzer.
Press Input/Output, RF Calibrator, 50 MHz, Freq, 50 MHz, Amptd, Mech
Atten, 10 dB, Amptd, Signal Path, Internal Preamp Off, System, Alignments,
Auto Align, Auto Align, Off. Disconnect the cable marked J901 that plugs into
the Front End Controller board and connect a functioning spectrum analyzer
where the cable was plugged in. J901's I.F. output will vary depending on the
I.F. path that is chosen. Press Meas Setup, IF Path and select 40 MHz. If the
switch path is working correctly in the A15 Front End Controller board, the
functioning spectrum analyzer should measure 250 MHz at ~-30 dBm.
In order for these I.F. levels to measure correctly, the I.F. input at A15J902
must be correct. Refer to
(RF/Microwave
when finished.

Verifying Aux IF Out, Rear Panel (Option CR3, CRP only)

The Aux I.F. output connector on the rear panel is installed on all analyzers
equipped with the EFEC version of the A15, however the actual Aux I.F. output
frequency will vary depending on the options installed. These options are all
enabled with a license key. The first step in verifying the Aux I.F. output is the
make sure the option is licensed by pressing System, Show System on the
analyzer and make sure the option identifies itself in the table.
The I.F. switch path and frequency generation occurs on the A15, Front End
Controller board. This troubleshooting procedure provides the instrument
setups to verify options CR3 and CRP. Test the Aux I.F. output based on the
options installed in the analyzer.

Standard Analyzer

No test to perform.
Keysight N9010B EXA Signal Analyzer Service Guide
Chapter 15, "Assembly Replacement Procedures"
Chapter 4, "RF Section Troubleshooting
Analyzers)". Reconnect all cables to their correct location
for the removal
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