TM 11-6625-3081-23
7-27. MATRIX SWITCH ASSEMBLY 2A2A10
7-27
INPUT CODE: MTRXSW (cont)
2. CORRECTIVE ACTION - SEGMENT 1 (cont)
(e) Remove CCA 2A2A12XX.
Check contacts of mating connectors and
repair
if required.
Install replacement 2A2A12XX and perform MTRXSW test. If
MTRXSW test passes, no further action required.
If this segment
displayed again, proceed to (f).
If another segment displayed, proceed
to that segment and continue troubleshooting.
(f) Remove Switch Controller 2A2A12.
Check contacts of mating connectors
and repair if required.
Install replacement 2A2A12 and perform MTRXSW
test.
If MTRXSW test passes, no further action required.
If this
segment displayed again, proceed to (g).
If another segment displayed,
proceed to that segment and continue troubleshooting.
(g) Check the following cable assemblies and repair as required:
HP09412-61603
HP09412-61604
HP10833B (3 Places)
HP10833C (2 Places)
HP12009-60002
W13
1W9
1W13
2A2W6
If any cable was repaired, perform MTRXSW test. If MTRXSW test passes,
no further action required.
If MTRXSW test fails and CALCST and PLLBUS
tests have been performed, repair is beyond this level of maintenance.
Next higher level of maintenance required.
If no cables were repaired and CALCST and PLLBUS tests have been
performed, repair is beyond this level of maintenance. Next higher
level of maintenance required.
If another segment displayed, proceed to that segment and continue
troubleshooting.
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