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Troubleshooting and Block Diagrams
Introduction
his chapter is divided into four main, symptom-related sections. Refer to the section that best
describes the problem you are observing, based on the results of your initial observation.
Category 1 Failures:
Dead or no response
No display
Unreadable display
Error message/code displayed
Category 2 Failures:
No error message, but nonfunctional measurement (i.e. through-line transmission trace is not
at and centered around 0 dB).
Category 3 Failures:
Inaccurate (but reasonably functional) measurements.
Category 4 Failures:
Peripheral device problems such as:
HP-IB problems
printer problems
keyboard problems
General Notes
Warning
Always unplug the analyzer's line power before removing or installing an
assembly.
Caution
he preset power level is user-de nable. When pressing
power level to 0 dBm if necessary.
, change the
PRESET
5
T roubleshoot ng and Block D agrams
4
4-1
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