Chapter 4 4-7
Start Troubleshooting Here
Step 2. Operator’s Check
Required Equipment and Tools
Analyzer warm-up time: 30 minutes.
Procedure
1. Disconnect all devices, peripherals, and accessories (including adapters and limiters)
from the analyzer.
2. To run the test for port 1, press
.
3. The display should show “TEST 21 Port 1 Op Chk” in the active entry area.
4. Press to begin the test.
5. At the prompt, connect the short to the port indicated. Make sure the connection is
tight.
6. Press .
7. The test is a sequence of subtests. At the end of the subtests, the test title and result
will be displayed. If all tests pass successfully, the overall test status will be PASS. If any
test fails, the overall test status will be FAIL.
8. To run the test for port 2, press the step key. The display should show “TEST 22
Port 2 Op Chk” in the active entry area.
9. Repeat steps 4 through 7.
For an 8753ET:
You will be prompted to connect a cable between the Reflection and Transmission ports.
10.If both tests pass, the analyzer is about 80% verified. If either test fails, refer to “Step 4.
Faulty Group Isolation” on page 4-10, or:
a. Make sure that the connection is tight. Repeat the test.
b. Visually inspect the connector interfaces and clean if necessary (refer to “Principles
of Microwave Connector Care” on page 1-7).
c. Verify that the short meets published specifications.
d. Substitute another short, and repeat the test.
e. Finally, refer to the detailed tests located in this section, or fault-isolation procedures
located in the troubleshooting sections.
Description HP/Agilent Part or Model Number
Short (for 8753ES) Part of 85031B Calibration Kit
Short (for 8753ET) Part of 85032B Calibration Kit
Cable: 50Ω, Type-N 8120-4781
Preset
Preset System
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