TM 5-6675-323-14
Table 5-4. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
LIGHT GRID LIGHTS BUT INTENSITY WILL NOT CHANGE - Cont
Remove connection, mark card and connector to indicate proper
connection.
Step 2.
Check voltage output at potentiometer.
( a ) If no change when knob is turned, replace dimmer switch
(b) Replace dimmer card (paragraph 5-20.3) and adjust dimmer
circuit (paragraph 5-20.1).
MAINTENANCE PROCEDURES.
5-20.
a. T h i s s e c t i o n c o n t a i n s i n s t r u c t i o n s c o v e r i n g d i r e c t / g e n e r a l s u p p o r t
maintenance functions for the microscan light table.
Personnel required are listed
only if the task requires more than one.
b. After completing each maintenance procedure, perform operational check to be
sure that equipment is properly functioning.
INDEX
PARAGRAPH
PROCEDURE
Adjust
Dimmer
Circuit.
.
.
,
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Collimate.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Replace
Dimmer
Card
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Replace
Light
Grid
Assembly.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Replace
High
Voltage
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
5-41
