TM 11-6625-3081-23
7-18. FILTER AND DETECTOR ASSEMBLY 2A1A1A14
7-18
INPUT CODE: OAFOCUS (cont)
2. CORRECTIVE ACTION - OAFOCUS (cont)
(e) Remove Stepper Motor No. 3 2A2A7A6A3. Check contacts of mating
connectors and repair if required.
Install replacement 2A2A7A6A3 and
perform OAFOCUS test.
If OAFOCUS test passes, no further action
required.
If OAFOCUS test fails, proceed to (f).
(f) Remove Filter Bracket 2A1A1A14A1.
Check contacts of mating connectors
and repair if required.
Install replacement 2A1A1A14A1 and perform
OAFOCUS test.
If OAFOCUS test passes, no further action required. If
OAFOCUS test fails, proceed to (g).
(g) Remove Optical Signal Analyzer 2A1A1. Check contacts of mating
connectors and repair if required.
Install replacement 2A1A1 and
perform OAFOCUS test.
If OAFOCUS test passes, no further action
required.
If OAFOCUS test fails, proceed to (h).
(h) Check the following cable assemblies and repair as required:
W6
W28
W29
2A1W31
2A1W32
2A2W8
2A2W9
If any cable was repaired, perform OAFOCUS test. If OAFOCUS test
passes, no further action required.
If OAFOCUS test fails and CALCST,
PLLBUS, MTRXSW, ADST, DIGITST, FPSST, and PPSST tests have been
performed, repair is beyond this level of maintenance. Next higher
level of maintenance required.
If no cables repaired and CALCST, PLLBUS, MTRXSW, ADST, DIGITST, FPSST,
and PPSST tests have been performed, repair is beyond this level of
maintenance.
Next higher level of maintenance required.
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