TM 1-1520-238-T-6
9–746
9–394. PILOT PRI MUX INDICATOR – IS NOT LIGHTED WITH MUX SWITCH IN SEC POSITION
9–394
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 9-1230-476-20-2
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
R90 door opened
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 28 VDC at (A61)J4-91.
Is voltage present?
YES
Go to step 2.
NO
Refer to TM 9-1230-476-20-2 to
troubleshoot MRTU.
2. Check for open between P668-91 and P18-49.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–364.
NO
Go to paragraph 9–331 to
troubleshoot CPG
caution/warning panel
indicators.
END OF TASK
