TM 1-1520-238-T-6
Change 4
9–664.1
9–336A.PILOT CAUTION/WARNING EDGE–LIGHT PANEL – IS NOT LIGHTED
9–336A
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
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. On pilot EXT LT/INTR LT panel, set INST control
to BRT. On pilot matrix module, check for 5 VDC
between (A326):
J16–A8 and J16–A9.
Is voltage present?
YES
Go to step 3.
NO
Go to step 2.
2. Check for 5 VDC between (A326):
TB1–33–K and TB1–34–K.
Is voltage present?
YES
Repair open wire between
(A326):
TB1–33–K and J16–A8,
TB1–34–K and J16–A9,
Go to paragraph 9–333.
NO
Go to paragraph 9–113 to
troubleshoot pilot edge-lights.
3. Check for open between:
P480–A8 and P20–k,
P480–A9 and P20–m.
Does open exist?
YES
Repair open wire between:
P480–A8 and P20–k,
P480–A9 and P20–m,
Go to paragraph 9–333.
NO
Replace pilot caution/warning
panel (TM 1-1520-238-23).
END OF TASK
