Agilent Technologies 16900A, Руководство по обслуживанию

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120 16900A, 16902A, and 16903A Service Guide
8
Theory of Operation
All self tests are consolidated into a single self test dialog.
The self test dialog contains a pane which allows the user to
select the "test suite" and a pane which allows the user to
select a specific test within that suite – or all of the tests.
The tests can be run once or repetitively. Each card will
have its own suite of tests. The frame hardware itself has a
suite called "System".
At the bottom of the self test dialog is a results pane. The
reporting level (how verbose the tests are) can be controlled
using a slider bar at the top of the dialog. At the very least,
each test should report that it is running and what the final
status of each test was (pass or fail). Increasing the
reporting level and re- running certain tests may help isolate
a specific hardware failure in the event that a test fails.
16903A Block Level Theory
The block- level theory includes the theory of operation of
the logic analysis system in terms of the major subsystems
including:
• CPU subsystem
• PCI board
• MIB (module interface board)
• I/O (input/output) board
• Front panel assembly