Service manual

STP 11-25R13-SM-TG
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Performance Measures Results
1. Review DA Form 2407. P F
2. Sectionalize the trouble to a defective stage. P F
a. Visually inspect for discrepancies. P F
b. Operations check the ATR. P F
3. Localize the trouble to a specific circuit. P F
a. Check for mechanical problems. P F
b. Check for electrical problems. P F
4. Isolate the fault to a component. P F
a. Perform resistance and continuity tests. P F
b. Perform power distribution voltage tests. P F
c. Check pre-equalization with a multimeter. P F
5. Replace, repair, or adjust faulty component. P F
a. Correct a mechanical error. P F
b. Replace a tape head. P F
c. Adjust the ATR to obtain a S/N ratio of 50 dB in playback and a flat overall record
and playback frequency response throughout the audio range.
P F
d. Adjust tape transport azimuth for the best sound and strongest high frequencies. P F
6. Operations check; readjust or align as necessary. P F
7. Complete DA Form 2407. P F
8. Turn the DA Form 2407 into the supervisor. P F
Evaluation Guidance: Score the soldier GO if all steps are passed (P). Score the soldier NO-GO if any
step is failed (F). If the soldier fails any step, show what was done wrong and how to do it correctly. Have
the soldier practice until he can correctly perform the task.
References
Required Related
DA Pam 738-750 TB 385-4
Mfg Manuals