In Case Of Difficulty - Agilent Technologies 8719ET Service Manual

8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
Transmission Port Check (ET Models)
5. Connect an RF cable from the REFLECTION port to the TRANSMISSION port.
6. Press the following:
PRESET: FACTORY
Preset
SERVICE MENU
System
EXECUTE TEST CONTINUE
22 x1
• If the message PRESS[CONTINUE] appears on the display during the test, that
particular attenuator setting check has failed. Press
other attenuator settings.
• If the message FAIL appears on the analyzer display, the analyzer has failed the
TRANSMISSION port operation check. Refer to the flow charts on
page 2-5.
• If the message DONE appears on the analyzer display, the analyzer has passed the
TRANSMISSION port operation check.

In Case of Difficulty

1. Make sure that the connection is tight. Repeat the test.
2. Visually inspect the connector interfaces and clean if necessary (see
Microwave Connector Care" on page
3. Verify that the short meets published specifications.
4. Substitute another short, and repeat the test.
5. Finally, refer to the detailed tests located in this section, or fault isolation procedures
located in the troubleshooting sections.
Service Guide
Preset
TESTS
1-6).
Start Troubleshooting Here
Step 2. Operator's Check
to check the
CONTINUE
page 2-4
"Principles of
and
4- 9