If The Fault Is Intermittent; Repeat Test Function; Gpib Failures - Agilent Technologies 8719ET Service Manual

8719ET/20ET/22ET
8719ES/20ES/22ES
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:
SERVICE MENU
System
2. Then press the following:
RETURN TESTS
3. Select the test desired and press the following:
EXECUTE TEST
4. Press to stop the function. The test repeat function is explained in
Preset
"Service Key Menus and Error Messages."

GPIB Failures

If you have performed
there is a GPIB problem in the analyzer, replace the CPU board (A7).
Service Guide
TEST OPTIONS
"Step 3. GPIB Systems Check" on page 4-10
Digital Control Troubleshooting
If the Fault Is Intermittent
REPEAT ON
and you are certain that
Chapter 10 ,
6- 19