316 Chapter7
General Troubleshooting
Introduction
Introduction
This chapter provides information needed to troubleshoot your
spectrum analyzer to one of the six major functional sections. Chapters
8 through 13 cover troubleshooting for each of these sections. Before
troubleshooting, read the rest of this introduction. To begin
troubleshooting, refer to “Troubleshooting to a Functional Section” on
page 324.
Page
Troubleshooting to a Functional Section .....................page 324
Error Messages ..............................................................page 326
Block Diagram Description ...........................................page 351
NOTE When a part or assembly is replaced, adjustment of the affected
circuitry is usually required. Refer to the adjustment procedures in
Chapters 2 and 3.
WARNING Troubleshooting and repair of this instrument with the cover
removed exposes high voltage points that, if contacted, may
cause personal injury. Maintenance and repair of this
instrument should be performed only by a skilled person who
knows the hazards involved. Where maintenance can be
performed without power applied, power should be removed.
When any repair is completed, be sure that all safety features
are intact and functioning and that all necessary parts are
connected to their grounds.
Assembly Level Text
To locate troubleshooting information for an individual assembly, refer
to Table 7-1 on page 325.
Block Diagrams
Instrument-level block diagrams are located at the end of this chapter.
Power levels and voltages shown on block diagrams are provided only
as a troubleshooting aid. They should not be used for making
instrument adjustments.
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