TM 5-3610-285-14
Table 2-5. DIRECT/GENERAL SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
KEYPAD INPUTS ARE NOT RECOGNIZED.
(a) Replace keypad (paragraph 2-20.4).
(b) If problem remains, replace control circuit board (paragraph 2-20.2).
2.
DIGITAL DISPLAY DISPLAYS INCORRECT DATA OR DOES NOT SHOW ANYTHING.
(a) Replace keypad (paragraph 2-20.4).
(b) If problem persists, replace control circuit board (paragraph 2-20.2).
(c) If problem persists, replace digital display board (paragraph 2-20.3).
3.
EXPOSURE TIME VARIES NOTICEABLY DESPITE USING SAME UNITS OF LIGHT.
Check operation of timer circuits on control circuit board as follows:
(a) Remove integrator circuit board from control circuit board in accordance with paragraph 2-20.1.
(b) Turn on flip top platemaker and enter in 20.0 units of light.
(c) Press "T" key and verify timer elapses in 20 seconds. Repeat this several times and verify timer
elapses in 20 seconds each time.
(1)
If timer elapses in more or less than 20 seconds, replace control circuit board (paragraph
2-20.2).
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