5-4 Service Guide
Power Supply Troubleshooting 8719ET/20ET/22ET
Assembly Replacement Sequence 8719ES/20ES/22ES
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 Chapter 4 , “Start Troubleshooting Here.”
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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