Diagnosis of Malfunctions in Complex Electronic Assemblies. Final Report. Page: 56 of 66
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Results. A production troubleshooting laboratory was set up in the telemetry
assembly area, using the recommendations and data from the process evalu-
ation. The laboratory was largely made of pool equipment, although it was
necessary to buy some commercial equipment. Figure 11 shows the com-
Figure 11. The On-Line Troubleshooting Laboratory
Verification that a component is defective by checking its individual charac-
teristics reduces troubleshooting errors, and is often a necessary part of
the diagnosis. In the instances of sealed integrated or hybrid packs, com-
ponent mounting techniques, complexity of verification equipment, and the
inter-relationship between circuits became factors that must be evaluated
to determine the practicality and the feasibility of verifying these components
on a particular unit or program.
Development of Tester Concept Number 4
An electronic simulator to simulate a product part with various types of
faults was developed and evaluated. The tester was built with the intent of
evaluating the concept for feasibility and application. A telemetry modulator
assembly was chosen for this evaluation, because the circuitry was not so
extensive as to make the tester expensive, but it was complex enough to
be representative. The tester was designed to be used as a training device,
where the nature and degree of change in output parameters could be ob-
served for a particular change in a component value. The tester was to be
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Losure, J. A. Diagnosis of Malfunctions in Complex Electronic Assemblies. Final Report., report, January 1, 1971; Kansas City, Missouri. (https://digital.library.unt.edu/ark:/67531/metadc1031893/m1/56/: accessed March 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.