282 Chapter6
Troubleshooting the RF Section
Before You Start
Section 6a, “8590L, 8591C, and 8591E,” describes troubleshooting
information for the 8590L and 8591E spectrum analyzers and 8591C
cable TV analyzers.
Section 6b, “ 8592L/94L, 8594Q.and 8593E/94E/95E/96E,” describes
troubleshooting information for the 8592L, 8593E, 8594E, 8594L,
8595E, and 8596E spectrum analyzers and 8594Q QAM analyzer.
Refer to Chapter 4, “Troubleshooting the Analyzer,” for troubleshooting
procedures that are useful when first starting to troubleshoot an
analyzer failure.
Before You Start
There are four things you should do before starting to troubleshoot an
analyzer failure:
• Check that you are familiar with the safety symbols marked on the
analyzer, and read the general safety considerations and the safety note
definitions given in the front of this guide.
• The analyzer contains static-sensitive components. Read the section
entitled, ”Section Protection from Electrostatic Discharge” in Chapter 15.
• Become familiar with the organization of the troubleshooting information
in this service guide.
• Read the rest of this section.
WARNING The analyzer contains potentially hazardous voltages. Refer to
the safety symbols on the analyzer and the general safety
considerations in this manual before operating the unit with
the cover removed. Failure to heed the safety precautions can
result in severe or fatal injury.
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