TM 5-3610-253-14
Use ground post on SCU as ground.
f. Check pin 32 a/c for +5.1 V.
If +5.1 V is not present, check output of PS5 (paragraph 5-40.63). If
g.
correct, replace SCU motherboard (paragraph 5-40.34).
h. Turn off power.
(1) Turn Star-Delta switch to Y position and then to O position.
(2) Turn main power switch to O position.
i.
Remove extender card and reinstall AR circuit board.
Reinstall front and rear electronics enclosure covers.
j.
35E, Special Electronic Devices Repairer
MOS:
PERSONNEL: Two persons are required to perform this procedure.
Flat Tip Screwdriver
TOOLS:
5 mm Hex Head Key Wrench
Digital Multimeter
SUPPLIES: Rubber Matting
a.
Remove front and rear electronics enclosure covers.
WARNING
Electrical shock hazard. You must stand on rubber matting as a protective
measure before performing this procedure. Death or serious injury may
occur.
5-534
