Keysight N9038A Service Guide

Keysight N9038A MXE Service Guide 303
Front End Control
A15 Front End Control Assembly Troubleshooting
9. Verify that the amplitude of the 322.5 MHz signal at the rear panel AUX IF
OUT port is equal to that shown in Figure 8-17, +/- 3 dB.
Figure 8-17 Rear Panel AUX IF OUT
10.IF the level is not correct turn the instrument off and remove the
instrument dress cover and internal cover. Refer to Chapter 18, “Assembly
Replacement Procedures.” for instructions on removing these covers.
11.Turn the instrument on and allow it to complete its boot up process.
12.Switch the instrument into the Spectrum Analyzer mode by pressing
Mode, Spectrum Analyzer.
13.Turn the instrument auto alignment routine off by pressing System,
Alignments, Auto Align, Off.
14.Turn the 50 MHz Calibrator signal on by pressing Input/Output, RF
Calibrator, 50 MHz.
15.Tune the instrument to a frequency of 50 MHz with a span of 0 Hz by
pressing FREQ Channel, Center Freq, 50 MHz and SPAN X Scale, Zero
Span.
16.Set the input attenuation to 10 dB by pressing AMPTD Y Scale,
Attenuation, 10 dB.
17.Turn the Auxiliary IF Output on by pressing Input/Output, Output Config,
Aux IF Out, Second IF (322.5 MHz).
18.Disconnect W22 from A15 J1100 as shown in Figure 8-6.

Keysight N9038A Specifications

General

Brand	Keysight
Model	N9038A
Category	Measuring Instruments
Language	English