1-4 Troubleshooting General Information
1-6 PN: 10580-00177 Rev. D MS2721B MM
1-4 Troubleshooting
This section describes the primary troubleshooting operations that can be performed by Anritsu Service
Centers. Perform the troubleshooting suggestions in the order that they are listed. Operators of the MS2721B
should refer to the User Guide for troubleshooting help.
Caution
Only qualified Anritsu personnel should replace internal assemblies. Major subassemblies shown in
the replaceable parts list are typically the items that may be replaced. Because they are highly
fragile, items that must be soldered may not be replaced without special training. Removal of RF
shields from PC boards or adjustment of screws on or near the shields will detune sensitive RF
circuits and will result in degraded instrument performance.
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