TM 5-6675-325-14
Table 5-5. TROUBLESHOOTING
-
Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. AUTO-SCALER LED DISPLAY DOES NOT OPERATE OR SHOWS INCORRECT COUNT - Cont
Step 3.
Check 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 support maintenance for replacement of main
logic PC board and front display PC board.
Step 4.
Check to see if auto-scaler LED display shows numbers but does not
count.
(a) If display operates properly, proceed to step 5.
(b) Notify direct support maintenance for replacement of main
logic PC board and front display PC board.
Step 5.
Check to see if auto-scaler LED display shows count only increasing
or only decreasing.
(a) If count is correct, proceed to step 6.
(b) Notify direct support maintenance for replacement of main
logic PC board and front display PC board.
Step 6.
Check to see if auto-scaler LED display shows erratic counts or
skips counts.
(a) If count is correct, proceed to step 7.
(b) Notify direct support maintenance for replacement of main
logic PC board and front display PC board.
Step 7.
Check to see if auto-scaler LED display does not show even or odd
digits.
(a) If display is correct, proceed to step 8.
(b) Notify direct support maintenance for replacement of main
logic PC board.
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