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Chapter 6 Service
Introduction
6-2 User’s Guide
Introduction
This chapter provides the information required to determine if the
58502A Broadband Distribution Amplifier is faulty.
Determining 58502A Fault Status
Use the following procedure to determine fault status of the
58502A Distribution Amplifier.
1 Perform the Power-on Self test as described in Chapter 1, “Getting
Started,” of this guide.
If self test passes, go to step 2.
If the test fails, go to step 5.
2 Verify RS-232 serial-port setup and operation as described in
Chapter 1, “Getting Started,” of this guide.
If the test passes, go to step 3.
If the test fails, go to step 5.
3 Verify the Alarm/Status output operation as described in the
“ALARM/STATUS Verification” subsection in Chapter 2,
“Performance Test.”
If pass, go to step 4.
If the test fails twice, go to step 5.
4 If steps 1 through 3 pass successfully, performance the procedures
in the section titled “58502A Performance Tests” in Chapter 2,
“Performance Test,” of this guide.
If the performance tests pass, Re-check all system input signals
and output loads connected to the 58502A and troubleshoot them as
required.
If performance tests fail, go to step 5.
5 If any combination of steps 1 through 4 fail, return the instrument
for service.