TM 11-6625-3081-23
Section V.
TROUBLESHOOTING
Subject
Para
Page
Troubleshooting Methodology . . . . . . . . . . . . . . . . . . . . 2-18
2-143
EO Bench FIR Module Boresight Check . . . . . . . . . . . .. . . . 2-18.1 2-149
Visual/Near Infrared (VIS/NIR) Alignment Check . . . . . . . . . . 2-18.2 2-151
2-18. TROUBLESHOOTING METHODOLOGY
2-18
Troubleshooting methodology is a method used to correct malfunctions in the
shortest possible time.
Malfunctions fall into the following categories in order of
probability of occurrence.
Electronics - are fault isolated by direct callout on the AN/USM-410
Electronic Equipment Test Station Video Display Terminal (VDT).
Cabinets, Slides, Base - are fault isolated by visual inspection.
Blowers, Lamps, Etc. - are fault isolated by symptom.
Cables, Harnesses - are fault isolated by elimination.
Glass, Mechanical - are fault isolated by functional inference.
Refer to Chapter 7 for a detailed description of troubleshooting methodology
used for TADS/PNVS augmentation equipment and step-by-step fault isolation
procedures.
Change 10
2-143/(2-144 blank)
(2-145 thru 2-148 deleted)
