FIGURE 2. SERVICE ADJUSTMENT CONTROLS
F O C U S C O N T R O L
T h e F O C U S c o n t r o l s h o u ld b e a d ju s t e d u n til the fin e h o r
iz o n t a l lin e s t r u c t u r e o f the r a s t e r is c l e a r l y v i s i b l e o v e r
the p ic t u r e a r e a .
T h e c o n t r o l s h o u ld b e tu r n e d t h r o u g h the
c o r r e c t p o in t s e v e r a l t im e s s o that o p tim u m f o c u s i s o b
t a in e d .
C E N T E R IN G
B y m e a n s o f a l e v e r e x te n d in g f r o m the f o c u s c o i l , th r u
the r e a r s c r e e n , the f o c u s c o i l c a n b e s h ift e d to c e n t e r the
p ic t u r e in it s m a s k .
V E R T I C A L S IZ E A N D V E R T I C A L L IN E A R IT Y
A d ju s t the V E R T I C A L S IZ E c o n t r o l u n til th e p ic t u r e f i l l s
the m a s k v e r t i c a l l y .
A d ju s t the V E R T I C A L L IN E A R IT Y
c o n t r o l f o r b e s t o v e r a l l v e r t i c a l l i n e a r it y .
A d ju s t m e n t o f
the V E R T I C A L S IZ E c o n t r o l w i l l r e q u ir e a r e a d ju s t m e n t o f
the V E R T I C A L L IN E A R IT Y c o n t r o l a n d p o s s i b l y o f the V E R
T I C A L H O L D c o n t r o l .
C e n t e r p i c t u r e w ith the c e n t e r in g
l e v e r on the f o c u s c o i l .
H O R IZ O N T A L S IZ E
A d ju s t the H O R IZ O N T A L S IZ E l e v e r u n til th e p i c t u r e
f i l l s the m a s k h o r iz o n t a lly .
C e n t e r p ic t u r e w ith the c e n
t e r in g l e v e r .
H O R IZ O N T A L O S C I L L A T O R A D J U S T M E N T
T h e H O R IZ O N T A L H O L D c o n t r o l s h o u ld h a v e a s y n c
r a n g e o f a p p r o x im a t e ly 180 d e g r e e s .
If the c o n t r o l is t o o
c r i t i c a l , a d ju s t as f o l l o w s :
1.
S h o r t ou t H O R IZ O N T A L O S C I L L A T O R c o i l L - 2 3 .
T h is
m a y b e d o n e w ith the c h a s s i s in the c a b in e t b y s h o r t in g p in s
3 & 8 o f the t e s t s o c k e t o n c h a s s i s r e a r .
2 .
W ith the c e n t e r in g l e v e r , m o v e the p ic t u r e to the le f t s o
that the r ig h t e d g e o f the r a s t e r c a n b e s e e n .
A d ju s t the
H O R IZ O N T A L H O L D c o n t r o l to a b ou t th e m id d le o f it s r a n g e
a n d n o te the w id th o f the b la n k in g p u ls e . (T h e b la n k in g p u ls e
a p p e a r s a s a g r a y b a r at th e r ig h t e d g e o f the p i c t u r e ) .
3.
R e m o v e s h o r t f r o m H O R I Z O N T A L O S C I L L A T O R c o i l .
4 .
A d ju s t H O R IZ O N T A L O S C I L L A T O R c o i l u n til the s a m e
a m o u n t o f b la n k in g p u ls e c a n be s e e n as w a s n o t e d in s t e p 2.
V E R T I C A L H O L D A D J U S T M E N T
A d ju s t the V E R T I C A L H O L D c o n t r o l f o r the c e n t e r o f
the v e r t i c a l s y n c l o c k - i n r a n g e .
B R IG H T N E S S
A d ju s t the B R IG H T N E S S c o n t r o l , in c o m b in a t io n w ith
the C O N T R A S T c o n t r o l f o r the m o s t p le a s in g p i c t u r e . K e e p
the b r i l l i a n c e s lig h t ly b e lo w m a x im u m , h o w e v e r , in o r d e r
t o p r o t e c t the f l u o r e s c e n t s c r e e n o f th e p ic t u r e tu be and to
p r e v e n t p o o r p i c t u r e d e t a il.
A D J U S T M E N T O F ION T R A P
U n d er c o n d it io n s o f r o u g h s h ip m e n t , it is p o s s i b l e f o r
the io n t r a p to b e c o m e m is a lig n e d . T o p r e v e n t s e r i o u s d a m
a g e t o th e p ic t u r e t u b e , the f o llo w in g m e th o d o f a d ju s t m e n t
s h o u ld b e u s e d .
S ee F ig u r e 3.
T h e m a g n e t s h o u ld b e p la c e d on the n e c k o f the tube in
the d i r e c t i o n in d ic a t e d b y the m a r k in g on the m a g n e t ( u s u
a lly an a r r o w w h ic h p o in t s t o w a r d the p ic t u r e tu be s c r e e n )
s o that the s t r o n g e r m a g n e t o f the d o u b le m a g n e t ty p e o r the
o n ly m a g n e t in the s in g le m a g n e t ty p e is p o s it io n e d o v e r the
in t e r n a l p o le p i e c e s w h ic h a r e m o u n te d on the gun s t r u c t u r e .
A d ju s t the B R IG H T N E S S c o n t r o l f o r lo w in t e n s it y and m o v e
the m a g n e t a s h o r t d is t a n c e f o r w a r d and b a c k w a r d at the
s a m e t im e r o t a t in g it to o b t a in the b r ig h t e s t r a s t e r .
If, in
o b t a in in g the b r ig h t e s t r a s t e r , the io n t r a p m a g n e t h a s to be
m o v e d m o r e than 1 / 4 " f r o m the gun p o le p i e c e s the m a g n e t
i s p r o b a b ly w e a k and a n ew m a g n e t s h o u ld b e t r i e d .
N e v e r
c o r r e c t f o r a s h a d o w e d r a s t e r w ith the io n t r a p m a g n e t if
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