TM 5-6675-325-14
4 - 3 . 4 E l e c t r i c a l S y s t e m.
Provides power and control for the various systems
o f t h e p r o j e c t o r.
I t c o n s i s t s o f :
Drive Motor Circuit
X-Axis Motor Circuit
Y-Axis Motor Circuit
F r o n t L i g h t C i r c u it
Back Light Circuit
a.
D r i v e m o t o r c i r c u i t.
Controls the operation of the magnification drive
motor through the control panel switch.
Two microswitches limit the travel of the
m a g n i f i c a t i o n d r i v e.
b . X - A x i s m o t o r c i r c u i t.
C o n t r o l s t h e o p e r a t i o n o f t h e X - a x i s r e c t i f i c a t i on
drive through the control panel switch.
Two microswitches limit the copy easel to
1 0 d e g r e e s o f t i l t r i g h t o r l e f t.
Y - A x i s m o t o r c i r c u i t.
C o n t r o l s t h e o p e r a t i o n o f t h e Y - a x i s r e c t i f i c a t i on
drive through the control panel switch.
Two microswitches limit the copy easel to
1 0 d e g r e e s o f t i l t f r o n t o r r e a r .
c .
d.
F r o n t l i g h t c i r c u i t .
Controls the operation of the tungsten-iodine front
l i g h t s .
A switch mounted on the control panel controls power to the lights.
e .
B a c k l i g h t c i r c u i t .
Controls the operation of the six fluorescent back
light lamps through a switch on the control panel.
Three ballasts regulate the
current to the lamps.
4-6
