Diagnosis of Malfunctions in Complex Electronic Assemblies. Final Report. Page: 22 of 66

" Additional engineering labor costs associated with compiling programs
and support information;
" Lack of flexibility; and
" The inability to detect circuit abnormalities and potential engineering
problems not anticipated by engineering specifications.
Since the degree of automation is limited in diagnostic problems, the opti-
mum operator skill level must include the capability to use open setup,
commercial test gear, and special-design analytical equipment.
Troubleshooting Skills Versus Engineering Support. Troubleshooting com-
plex circuitry with which one is not familiar often requires an engineering
knowledge of design intent and circuit functions; however, many technicians
who are confused about some of the more-complex aspects of the circuitry
are able to localize and correct many of the more simple malfunctions.
Studies have shown that familiarization programs, experience in trouble-
shooting specific circuitry, and adequate engineering-support information
will enable most technicians to troubleshoot all but the most-complex circuit
malfunctions. Therefore, the engineering support which is provided is an
important factor in determining the troubleshooter skills that are required.
Useful technical information must be precise and brief so it can be quickly
conveyed and used. The cookbook-type instruction to the troubleshooter
who must operate complex equipment and make complex diagnosis is im-
practical because the volume of material becomes too large if all details
are included. Circuit functions, explanations, and reference parameters.
ouch as waveforms, nc. vnlta.ges. frequencies, and time-delays must be
quickly referenced and interpreted to be useful.
"The operator must be skilled enough to quickly interpret circuit explanations
and general technical data-presented at a technical level which demands a
sound technical background.
Supervisor Technical Skill Level Requirement. Study results indicate that
the principle areas requiring technical knowledge are:
" Training personnel;
" Appraising personnel; and
' Acting as liaison to engineering and as aides in diagnostic decisions.
The training and familiarization made necessary by the transfer of personnel
from program to program can be done most economically by the production
supervisor, since he can plan these personnel moves to reduce training

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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/m1/22/ocr/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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