Service Guide 6-19
8719ET/20ET/22ET Digital Control Troubleshooting
8719ES/20ES/22ES If the Fault Is Intermittent
RF Network Analyzers
If the Fault Is Intermittent
Repeat Test Function
If the failure is intermittent, do the following:
1. To switch on the repeat function, press the following:
2. Then press the following:
3. Select the test desired and press the following:
4. Press to stop the function. The test repeat function is explained in Chapter 10 ,
“Service Key Menus and Error Messages.”
GPIB Failures
If you have performed “Step 3. GPIB Systems Check” on page 4-10 and you are certain that
there is a GPIB problem in the analyzer, replace the CPU board (A7).
System
Preset
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