TM 1-1520-238-T-6
9–724
9–380. ARM/SAFE INDICATOR – IS NOT LIGHTED WITH PRESS TO TEST INDICATOR
9–380
PRESSED
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 9-1230-476-20-1
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
L40 cover 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. Press and hold PRESS TO TEST indicator.
Does ARM/SAFE indicator light?
YES
Go to paragraph 9–364.
NO
Go to step 2.
2. Check for 28 VDC at P279-38.
Is voltage present?
YES
Go to step 3.
NO
Go to step 4.
3. Attach P279 on CPG FIRE CONTROL panel.
Check for 28 VDC at (A156):
J3-53 and J3-54.
Is voltage present?
YES
Replace ARM/SAFE indicator
(TM 9-1230-476-20-1).
NO
Replace CPG FIRE CONTROL
panel (TM 1-1520-238-23).
4. Check for open between:
P747-J and P279-41,
P747-H and P279-38.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–364.
NO
Replace multi-channel dimming
controller (TM 1-1520-238-23).
END OF TASK
