TM 1-1520-238-T-5
Change 7
8–81
8–15.
AUX POWER INDICATOR ON DIM/TEST PANEL – LIGHTS
8–15
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
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. Check for open between P787–4 and ground.
Does short exist?
YES
Repair open between
P787–4 and GS425–H.
Go to paragraph 8–10.
NO
Go to step 2.
2. On pilot dim/test panel, set and hold
DGT OFF/NORM/TST to TST. Check for open
between (A114):
J1–3 and J1–4.
Does short exist?
YES
Replace pilot dim/test panel.
(TM 1-1520-238-23).
NO
Go to step 3.
3. On pilot dim/test panel, hold
DGT OFF/NORM/TST switch to TST. Check for
open between P400–43 and ground.
Does short exist?
YES
Repair open wire between:
P787–3 and (A326)TB1–50–S,
P400–43 and (A326)TB1–50–Y.
Go to paragraph 8–10.
NO
Replace SDC
(TM 1-1520-238-23).
END OF TASK
