TM 5-6675-319-14
Table 9-5. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20.
PRINTER FUNCTIONS CORRECTLY IN TEST AND MANUAL MODES. PRINTS ARE OVER-
EXPOSED IN AUTOMATIC MODE.
CRT SWEEPS ARE VERY SLOW IN AUTOMATIC MODE.
Step 1.
Check PMT for proper operation.
(a) If PMT operates correctly, proceed to step 2 .
(b) If operation is incorrect, replace defective PMT (paragraph
.
.
Step 2.
Check output of -1 KV power supply.
( a ) I f o u t p u t i s c o r r e c t . p r o c e e d t o s t e p 2.
(b) If output is not correct, adjust -1 KV power supply
(paragraph 9-20.22).
Step 3.
With power off, check continuity from J105 on -1 KV power supply to
pin 1 of mercury switch S109.
( a ) I f c o n t i n u i t y i s p r e s e n t , p r o c e e d t o s t e p 4 .
(b) If continuity is not present, replace -1 KV power supply an d
cable (paragraph 9-20.14).
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