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TM 9-2320-364-20-4
2-3134
7.
Fault not
corrected, notify
DS Maintenance.
YES
NO
24 vdc present at polarity
protection terminal B.
Wire 1784 from 24 vdc polarity
protection to MC136 is OK.
Wire 1784 from MC136 to
CB28 is OK.
Circuit breaker CB28 is OK.
Wire 1785 from CB28 to
MC136 is OK.
Wire 1784 from MC136 to
MC129 is OK.
Wire 1784 from MC136 to
MC130 is OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If 24 vdc circuit operates, fault
corrected.
Does 24 vdc circuit operate?
4. LOSS OF INTERFACE POWER 24 VDC (CONT).
Fault corrected.
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