Post-Repair Procedures; What You Will Find In This Chapter; Before Starting - Keysight N8973B Service Manual

Keysight NFA Series Noise Figure Analyzers
Service Guide
16

Post-Repair Procedures

What You Will Find in This Chapter

This chapter provides information that will enable you to return an instrument
to full operation following the replacement of any instrument assembly. This
information includes a table that shows which adjustments and/or
performance tests must be executed after replacing an assembly.

Before Starting

There are three things you should do before starting any of the procedures
listed or described in this chapter:
— Familiarize yourself with the safety symbols, and read the general safety
— Check that the analyzer has been turned on and allowed to warm up.
— Ensure that the analyzer is operating within a temperature range of 20 °C to
Test equipment you will need
Refer to
critical test equipment specifications for the performance verification and
adjustments.
considerations and the safety note definitions in the front of this guide,
before you begin the procedures in this chapter.
30 °C.
Table 1-1 on page 25, for a list of recommended equipment and
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