TM 1-1520-238-T-6
9–685
9–357. ARM/SAFE INDICATOR – IS NOT LIGHTED WITH PRESS TO TEST INDICATOR
9–357
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
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 and
check for 28 VDC at P279-19.
Does open exist?
YES
Go to step 2.
NO
Go to step 5.
2. Press and hold PRESS TO TEST indicator and
check for 28 VDC at:
P277-37,
P277-32.
Does open exist?
YES
Go to step 3.
NO
Replace CPG FIRE CONTROL
panel (TM 1-1520-238-23).
3. Check for open between (A102):
J1-30 and J1-11.
Does open exist?
YES
Replace pilot FIRE CONTROL
panel (TM 1-1520-238-23).
NO
Go to step 4.
4. Check for open between:
P279-30 and P277-30,
P277-11 and P277 SP5.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–333.
NO
Replace ARM/SAFE indicator
(TM 1-1520-238-23).
5. Check for open between P279-19 and
P748-MM.
Does open exist?
YES
Repair open wire between:
P748-MM and P403-B13,
P279-19 and J403-B13.
Go to paragraph 9–333.
NO
Replace multi-channel dimming
controller (TM 1-1520-238-23).
END OF TASK
