TM 11-6625-3081-23
7-27. MATRIX SWITCH ASSEMBLY 2A2A10
7-27
INPUT CODE:
MTRXSW (cont)
c .
SEGMENT 1
1. VDT DISPLAY
PERFORM THE FOLLOWING REPLACE ACTIONS IN THE ORDER LISTED. (REFERENCE
TM 11-6625-3081-23 FOR REPLACEMENT PROCEDURES.)
REF. DES.
PART NO.
NAME
1. 1A9A2
HP37203A
HP-IB BUS EXTENDER
2. 2A2A8
HP37203A
HP-IB BUS EXTENDER
3. 1A11A11
HP12009A
INTERFACE BUS CCA
4. 2A2A12XX
13081427-19
CCA
5. 2A2A12XX
09411-66502
CCA
6. 2A2A12
13081427
SWITCH CONTROLLER
2. CORRECTIVE ACTION - SEGMENT 1
(a) Remove Bus Extender 1A9A2.
Check contacts of mating connectors and
repair if required.
Install replacement 1A9A2 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.
(b) Remove Bus Extender 2A2A8.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A8 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.
(c) Remove Interface Bus CCA 1A11A11.
Check contacts of mating connectors
and repair if required.
Install replacement 1A11A11 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.
(d) 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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