TM 11-6625-3081-23
7-27. MATRIX SWITCH ASSEMBLY 2A2A10
7 - 27
I N P U T C O D E : M T R X S W ( c o n t)
d .
SEGMENT 2
1. VDT DISPLAY
MATRIX SWITCH FAILED SELF-TEST.
SEE PRINTOUT FOR BAD SWITCHES OF OTHER
ERRORS.
PERFORM THE FOLLOWING REPLACE ACTIONS IN THE ORDER LISTED.
(REFERENCE TM 11-6625-3081-23 FOR REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 2A2A10AXX
HP94140A
RELAY SWITCH CCA
2. 2A2A10AXX
HP94140B
QUAD CONTROL CCA
3. 2A2A12XX
13081427
SWITCH CONTROLLER
4. 2A2A12XX
09411-66502
CCA
2. CORRECTIVE ACTION - SEGMENT 2
(a)
(b)
(c)
(d)
Remove Relay Switch CCA 2A2A1OAXX.
Check contacts of mating connectors
and repair if required.
Install replacement 2A2A1OAXX and perform
MTRXSW test.
If MTRXSW test passes, no further action required. If
this segment displayed again, proceed to (b). If another segment
displayed, proceed to that segment and continue troubleshooting.
Remove Quad Control CCA 2A2A1OAXX.
Check contacts of mating connectors
and repair if required.
Install replacement 2A2A1OAXX and perform
MTRXSW test.
If MTRXSW test passes, no further action required. If
this segment displayed again, proceed to (c). If another segment
displayed, proceed to that segment and continue troubleshooting.
Remove Switch Controller 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 (d). If another segment
displayed, proceed to that segment and continue troubleshooting.
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 (e).
If another segment displayed, proceed
to that segment and continue troubleshooting.
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