Service Guide 4-3
8719ET/20ET/22ET Start Troubleshooting Here
8719ES/20ES/22ES Assembly Replacement Sequence
RF Network Analyzers
Assembly Replacement Sequence
The following steps show the sequence to replace an assembly in the network analyzer.
Step 1. Identify the faulty group. Begin with this chapter and follow up with the
appropriate troubleshooting chapter that identifies the faulty assembly.
Step 2. Order a replacement assembly. Refer to Chapter 13 , “Replaceable Parts.”
Step 3. Replace the faulty assembly and determine what adjustments are necessary.
Refer to Chapter 14 , “Assembly Replacement and Post-Repair Procedures.”
Step 4. Perform the necessary adjustments. Refer to Chapter 3 , “Adjustments and
Correction Constants.”
Step 5. Perform the necessary performance tests. Refer to Chapter 2 , “System
Verification and Performance Tests.”
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