TM 5-6675-319-14
Table 9-5. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
21.
CRT SWEEP IN TEST IS VERY SLOW BUT OF UNIFORM VELOCITY.
Check maximum scan rate adjust R4 on circuit card 3C2.
Adjust R4 fully left for maximum scan rate.
22.
WHITE SPOT APPEARS ON ALL PRINTS AT SAME POINT; DARK SPOT ON CRT FACE AT
SAME LOCATION .
Check for burned CRT phosphor.
Replace defective CRT (paragraph 9-20.8).
9-20. MAINTENANCE PROCEDURES.
a.
This section contains instructions covering direct/general support mainte-
n a n c e f u n c t i o n s f o r t h e c o n t a c t p r i n t e r / e n l a r g e r . P e r s o n n e l r e q u i r e d a r e l i s t ed
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
PROCEDURE
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Replace
9-130
RPT Motor B301. . . . . . . . . . . . . . . . . . . . . . . . .
Printed Circuit Card 4TC1 . . . . . . . . . . . . . . . . . . .
Cycle Switch S202. . . . . . . . . . . . . . . . . . . . . . .
APL Motor B201 . . . . . . . . . . . . . . . . . . . . . . .
Ratchet Arm Switch S201 . . . . . . . . . . . . . . . . . . .
Ratchet Arm. . . . . . . . . . . . . . . . . . . . . . . . .
Drag Brake Assembly. . . . . . . . . . . . . . . . . . . . . .
CRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARAGRAPH
9-20.1
9-20.2
9-20.3
9-20.4
9-20.5
9-20.6
9-20.7
9 - 2 0 . 8
