Chapter 4 217
Troubleshooting the Analyzer
Before You Start
Service equipment you will need
Refer to in Table 1-7, “Recommended Test Equipment,” in Chapter 1 of
the 8590 Series Analyzers Calibration Guide for a list of the
recommended test equipment needed to troubleshoot and repair the
analyzer. Although Agilent Technologies equipment is recommended,
any equipment that meets the critical specifications given in the table
can be substituted for the recommended model.
Refer to Chapter 15 of this guide for a list of required service and hand
tools needed to troubleshoot and repair the analyzer.
Replacement assemblies
Some of the 8590 E-Series and L-Series spectrum analyzers, 8591C
cable TV analyzer, and 8594Q QAM analyzer assemblies are not
repairable to the component level. The following assemblies are not
repairable to the component level and must be replaced as an assembly.
• A2 display
• A3 input attenuator (8590L, 8591E, and 8591C only)
• A3A2 RF switch (8592L, 8593E, 8595E, and 8596E only)
• A3A3 2.9 GHz low-pass filter (8592L, 8593E, 8594E, 8594L,
8594Q, 8595E, and 8596E only)
• A3A4 second converter (8592L, 8593E, 8594E, 8594L, 8594Q, 8595E,
and 8596E only)
• A3A5 input attenuator (8592L, 8593E, 8594E, 8594L, 8594Q, 8595E,
and 8596E only)
• A3A6 dual mixer (8592L, 8593E, 8595E, and 8596E only)
• A3A6 low band mixer (8594E, 8594L, and 8594Q only)
• A3A7 YTO (8592L, 8593E, 8594E, 8594L, 8594Q, 8595E, and 8596E
only)
• A3A8 YTF (8592L and 8593E only)
• A3A8 switched YTF (8595E, and 8596E only)
• A3A9 321.4 MHz bandpass filter (8592L, 8593E, 8594E, 8594L,
8594Q,8595E, and 8596E only)
• A3A14 first LO distribution amplifier (Option 009, 010 only)
• A3A15 tracking generator (Option 010 only)
• A4 first converter (8590L, 8591E, and 8591C only)
• A6 YTO (8590L, 8591E, and 8591C only)
• A8 power supply
• A22 10 MHz precision frequency reference
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