TM 5-6675-318-14
Table 3-24. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. POWER SUPPLY FAILURE - Cont
Check fuses F1, F2, and F3 on A4.
S t e p 4.
(a) If fuses are good, proceed to step 5.
(b) Replace ace fuse.
Check LED's DS1-6 on A4.
S t e p 5.
(a) If all are lit, proceed to step 6.
(b) If any LED is not illuminated, replace A4 (paragraph 3-29.7).
C h e c k output of ribbon cables J2 and J4 on 4.
Step 6.
If no voltage is present, replace ribbon cable.
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