TM 5-3610-285-14
Table 7-4. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
DENSITOMETER WILL NOT ENERGIZE - Cont
Step 2. Check for defective display board.
(a)
If display board not defective, notify supervisor.
(b)
If display board defective, replace display board assembly
(paragraph 7-20.5).
2.
REFLECTION PROBE LAMP WILL NOT LIGHT.
Defective power supply board assembly.
Replace power supply board assembly (paragraph 7-20.4).
3.
NO RESPONSE TO PROBE READ PUSHBUTTON.
Step 1. Check for defective logic board assembly.
(a)
If logic board assembly not defective, proceed to step 2.
(b)
If logic board assembly defective, replace logic board assembly
(paragraph 7-20.3).
Step 2. Check for defective clock board assembly.
(a)
If clock board assembly not defective, notify supervisor.
(b)
If clock board assembly defective, replace clock board assembly
(paragraph 7-20.2).
4.
TWO NUMBERS DISPLAYED IN SAME COLUMN OR ONE NUMBER MISSING IN COLUMN.
Defective display board assembly.
Replace display board assembly (paragraph 7-20.5).
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