TM 5-3610-253-14
i.
Check pin 32 a/c for +42 V Use ground post on SCU as ground. If
+42 V missing, check +42 V output of PMD circuit. If correct,
replace SCU motherboard (paragraph 5-40.34).
Turn off power.
j.
(1) Turn Star-Delta switch to Y, then to O position.
(2) Turn main power switch to O position.
k. Remove IAR circuit board from extender card and reinstall IAR circuit
board.
l.
Reinstall front and rear electronics enclosure covers.
MOS: 35E, Special Electronic Devices Repairer
TOOLS: Flat Tip Screwdriver
5 mm Hex Head Key Wrench
Digital Multimeter
Extender Board
SUPPLIES: Rubber Matting
a.
Turn off power.
(1) Turn Star-Delta switch to Y position, then to O position.
(2) Turn main power switch to O position.
5-526
