Lesson 2/Learning Event 1
LESSON 2
CIRCUITRY OF THE TA-312/PT
TASK:
Identify schematic components.
CONDITIONS:
1.
PERFORMANCE. Given a TA-312/PT schematic diagram, TM 11-5805-201-
35 extract, theory of operation extract, and a qualified supervisor/OJT
monitor's assistance.
2.
PERFORMANCE-ORIENTED.
Given Lesson 2 material, TM 11-5805-201-35
extract, theory of operation extract, pencil, paper, and without
supervision.
STANDARDS:
1.
PERFORMANCE. Demonstrate competency of task skills and
knowledge by correctly identifying, within one of two attempts, four out
of five components on the schematic diagram within a time limit of 5
minutes.
2.
PERFORMANCE-ORIENTED.
Demonstrate competency of the task skills
and knowledge by correctly responding to 70 percent of the multiple
choice Lesson 2 exercise covering circuitry of the TA-312/PT.
REFERENCES
TM 11-5805-201-35 Extract w/schematic
Theory of Operation Extract
Learning Event 1:
CIRCUITRY OF THE TA-312/PT.
1.
Situation: The soldier is working at an intermediate general
support maintenance facility, has made a visual inspection, operational
check, and verified the fault on the DA Form 2407, Maintenance Request.
However, before he opens the TA-312/PT for troubleshooting the fault, he
must assure himself of the various circuits/components found within the
TA-312/PT.
2.
The student will become familiar with the components of the TA-
312/PT as they appear on the schematic diagram and be able to
trace/describe the outgoing/incoming signal, transmission, and reception
circuits of the TA-312/PT telephone in the CB, LB, and CBS modes of
operation.
The theory of operation extract has a much easier to
understand description of circuits than the TM 11-5805-201-35 extract
although both extracts should be used for this learning event.
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