Lesson 3/Learning Event 1
TROUBLESHOOTING AND FINAL TESTING OF THE TA-312/PT
Troubleshooting and Final Testing of the TA-312/PT.
equivalent), batteries BA-30 (4 ea), commo wire, flat-tip screwdriver,
wire cutters, TM 11-5805-201-35 extract, and a qualified supervisor/OJT
Given Lesson 3 material, pencil, paper, TM
11-5805-201-35 extract, and without supervision.
Demonstrate competency of task skills and knowledge
by correctly troubleshooting and testing, one error minimum, within one
out two attempts, the TA-312/PT telephone set within 20 minutes.
Demonstrate competency of the task skills
and knowledge by correctly responding to 70 percent of the multiple-
choice Lesson 3 exercise covering troubleshooting and final testing of
TM 11-5805-201-35 Extract
Learning Event 1:
TROUBLESHOOTING THE TA-312/PT
Situation: The soldier has verified the symptom on DA Form 2407,
Maintenance Request, and familiarized himself with the circuitry and
circuit components of the TA-312/PT. Now he must find the cause of the
problem, using test equipment, and restore the instrument to operational
The student will use a multimeter for resistance checks of the
components and wiring within the TA-312/PT.
If not familiar with the
multimeter, most operation instructions are normally posted on the meter
troubleshooting chart to find the problem(s).