TM 11-6625-3081-23
7-26. ANALOG-TO-DIGITAL (A/D) CONVERTER 2A2A13
7-26
INPUT CODE:
ADST (cont)
2. CORRECTIVE ACTION - SEGMENT 4
(a) Remove Sample and Hold CCA 2A2A13XX (J1). Check contacts of mating
connectors and repair if required.
Install replacement 2A2A13XX and
perform ADST test.
If ADST 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 Matrix Switch 2A2A1O.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A1O and perform ADST test.
If ADST 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 16-Bit A/D CCA 2A2A13XX (J74).
Check contacts of mating
connectors and repair if required.
Install replacement 2A2A13XX and
perform ADST test.
If ADST 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 Signal Processor CCA 2A2A13XX (J73). Check contacts of mating
connectors and repair if required.
Install replacement 2A2A13XX and
perform ADST test.
If ADST 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.
(e) Remove CCA 2A2A13XX (J75).
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A13XX and perform ADST
test.
If ADST 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 CCA 2A2A13XX (J76).
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A13XX and perform ADST
test.
If ADST 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.
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