TM 5-6675-323-14
Table 9-5. TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. AUTO-SCALER LED DISPLAY DOES NOT OPERATE OR SHOWS INCORRECT COUNT - Cont
S t e p 3.
C h e c k to see if there is power at power source but not on main logic
PC board.
(a) If power is present, proceed to step 4.
(b)
Notify direct/general support maintenance for replacement
of
main logic PC board and front display PC board.
Check to see if auto-scaler LED display shows numbers but does not
S t e p 4.
count.
(a) If display operates properly, proceed to step 5.
(b)
Notify direct/general support maintenance for replacement
of
main logic PC board and front display PC board.
Check to see if auto-scaler LED display shows count only increasing
S t e p 5.
or only decreasing.
(a) If count is correct, proceed to step 6.
(b)
Notify direct/general support maintenance for replacement
of
main logic PC board and front display PC board.
Check to see if auto-scaler LED display shows erratic counts or
S t e p 6.
skips counts.
(a) If count is correct, proceed to step 7.
(b)
Notify direct/general support maintenance for replacement
of
main logic PC board and front display PC board.
Check to see if auto-scaler LED display does not show even or odd
S t e p 7.
digits.
(a) If display is correct, proceed to step 8.
(b)
Notify direct/general support
maintenance
for
replacement
of
main logic PC board.
9-134