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TM 9-2320-364-20-4
2-3120
7.
Fault not
corrected, notify
DS Maintenance.
YES
NO
12 vdc present at polarity
protection terminal B.
Wire 1785 from 12 vdc polarity
protection to MC136 is OK.
Wire 1785 from MC136 to
CB27 OK.
Circuit breaker CB27 is OK.
Wire 1785 from CB27 to
MC136 is OK.
Wire 1785 from MC136 to
MC129 is OK.
Wire 1785 from MC136 to
MC130 is OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If 12 vdc circuit operates, fault
corrected.
Does 12 vdc circuit operate?
3. LOSS OF INTERFACE POWER 12 VDC (CONT).
Fault corrected.
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