TM 5-3610-253-14
e.
If continuity is present, extend circuit board KK, check for continuity
between connector 6, pin 2 and pin 28 a/c of KK board. If continuity is
not present, replace SCU motherboard (paragraph 5-40.34).
f. Check for continuity between connector 6 pin 3 and pin 27 a/c on KK
board. If continuity is not present, replace SCU motherboard (paragraph
If fault is not corrected, replace transformer SCU.T1. This will involve
g.
replacement of the SCU motherboard (paragraph 5-40.34).
h. Reinstall circuit board KK.
i. Reinstall front and rear electronics enclosure covers.
5-524
