TM 11-6625-3081-23
7-5. PROGRMMABLE POWER SUPPLY ASSEMBLY 1A3
7-5
INPUT CODE:
PPSST (cont)
2. CORRECTIVE ACTION - SEGMENT 2 (cont)
(c) Remove Power Supply Controller 1A2. Check contacts of mating
connectors and repair if required.
Install replacement 1A2 and perform
PPSST test.
If PPSST test passes, no further action required.
If this
segment displayed again, proceed to (d). If this segment is displayed
again with a different set of reference designators, return to (a). If
another segment displayed, proceed to that segment and continue
troubleshooting.
(d) Remove Relay Readback CCA 2A2A11XX in slot 409. Check contacts of
mating connectors and repair if required.
Install replacement 2A2A11XX
and perform PPSST test. If PPSST test passes, no further action
required.
If this segment displayed again, proceed to (e). If this
segment is displayed again with a different set of reference
designators, return to (a).
If another segment displayed, proceed to
that segment and continue troubleshooting.
(e) Remove Relay Assembly 2A2A4A1.
Check contacts of mating connectors and
repair if required.
Install replacement 2A2A4A1 and perform PPSST
test.
If PPSST test passes, no further action required.
If this
segment displayed again, proceed to (f). If this segment is displayed
again with a different set of reference designators, return to (a). If
another segment displayed, proceed to that segment and continue
troubleshooting.
(f) Check the following cable assemblies and repair as required:
Test Cable 13082730
HP10833B
HP10833C
W2
W3
1W2
1W6
2A2W1
2A2W4
2A2W11
If any cable was repaired, perform PPSST test. If PPSST test passes,
no further action required.
If PPSST test fails and CALCST, PLLBUS,
MTRXSW, ADST, DIGITST, and FPSST tests have been performed, repair is
beyond this level of maintenance.
Next higher level of maintenance
required.
If no cables were repaired and CALCST, PLLBUS, MTRXSW, ADST, DIGITST,
and FPSST 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.
If this segment is displayed again with a different set of reference
designators, return to (a).
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