TM 1-1520-238-T-6
9–664.2
Change 4
9–336B.PILOT CAUTION/WARNING INDICATORS – DO NOT INCREASE IN BRIGHTNESS
9–336B
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
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
from OFF to BRT while checking for 0 to
28 VDC at P20-f.
Does voltage change?
YES
Replace pilot caution/warning
panel (TM 1-1520-238-23).
NO
Go to step 2.
2. Check for open between P748-n and P20-f.
Does open exist?
YES
Repair open wire between:
P748-n and P20-f.
Go to paragraph 9–333.
NO
Replace multi-channel dimming
controller (TM 1-1520-238-23).
3. Check for open between A403J2-p and
A403J2-n.
Does open exist?
YES
Replace multi-channel dimming
controller (TM 1-1520-238-23)
NO
Go to step 4.
4. Detach P100 from A133J1. Check for open
between P100-B3 and P478-p.
Does open exist?
YES
Repair open wire between:
P100-B3 and P478-p. Go to
paragraph 9-333.
NO
Replace pilot EXT LT/INTR LT
panel (A133)
(TM 1-1520-238-23)
END OF TASK
