TM 1-1520-238-T-6
9–303
9–106. ONE OR MORE PILOT SECONDARY LIGHTS – DO NOT LIGHT
9–106
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
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 (A76)J1-U.
Is voltage present?
YES
Go to step 2.
NO
Go to paragraph 9–263 to
troubleshoot circuit protection
system (dc emergency bus –
pilot station).
2. Check for open between:
P100-B5 and P463-U,
P100-B4 and J530-A6,
P100-B4 and J530-A2,
P100-B8 and J530-A4,
P100-B8 and J530-A5,
P100-B6 and J530-A1,
P100-B6 and J530-A7,
P100-B6 and J530-A8.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–103.
NO
Repair open wire between
(A325):
P1-A1 and XDS3-1,
P1-A2 and XDS1-1,
P1-A4 and XDS6-1,
P1-A5 and XDS2-1,
P1-A6 and XDS5-1,
P1-A7 and XDS7-1,
P1-A8 and XDS4-1.
Go to paragraph 9–103.
END OF TASK
