4-2 Service Guide E8364-90026
Troubleshooting PNA Series Microwave Network Analyzers
Information in This Chapter E8362B, E8363B, E8364B
Information in This Chapter
The information in this chapter helps you:
• Identify the portion of the analyzer at fault.
• Locate the specific troubleshooting procedure to identify the assembly or peripheral at
fault.
The sections in this chapter are arranged in a logical troubleshooting order. The following
table lists the sections and a brief summary of what to look for in that section.
Chapter Four at-a-Glance
Section Title Summary of Content Start Page
Getting Started with
Troubleshooting
A starting point to begin troubleshooting. Page 4-4
Power Up Troubleshooting
Power-up problems:
• Power supply problems
•LCD problems
• Bootup for the network analyzer interface
Page 4-6
Front Panel Troubleshooting
Problems occurring after the network
analyzer interface is loaded:
• Does the display color appear correct?
• Do the front panel keys function
properly?
• Does the front panel USB connector
function properly?
Page 4-17
Rear Panel Troubleshooting
Problems associated with the rear panel
interconnects.
The data found at these rear panel
interconnects can be used to troubleshoot the
CPU board.
Page 4-22
Measurement System
Troubleshooting
Problems with the measurement portion of
the analyzer.
• Checking the A, B, R1, and R2 signals.
• Checking the source group.
• Checking the receiver group.
• Checking the signal separation group.
• Checking the frequency offset group
(Option 080).
Page 4-29
Instrument Block Diagrams
Block diagrams for the analyzer including
Option UNL and Option 014.
Page 4-60
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