TM 1-1520-238-T-6
9–769
9–407. STABILATOR AUDIO WARNING – IS NOT HEARD IN EITHER HEADSET
9–407
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-23
TM 1-1520-238-T-7
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Non-transparent barrier
removed
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Check for open between P447-B6 and ground.
Does open exist?
YES
Go to step 3.
NO
Go to step 2.
2. Check for open between J447-B6 and P49-23.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–395.
NO
Replace engine out warning unit
(TM 1-1520-238-23).
3. Check for open between:
P447-B6 and P1077-M,
P1077-B and P491-A4,
(A323)J6-A4 and (A323)J6-A3.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–395.
NO
Go to step 4.
4. On stabilator relay panel, check for open
between (A329):
J1-B and J1-M.
Does open exist?
YES
Replace relay (A329)K1-8
(TM 1-1520-238-23).
NO
Refer to TM 1-1520-238-T-7 to
troubleshoot stabilator.
END OF TASK
