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Hitachi 61HDX98B Manual page 61

Digital television training
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R A S T E R TILT (Deflection Yoke) A D J U S T M E N T PRO C E D U R E
A djustment Preparation:
1 ) T h e s e t c a n f a c e a n y
dire c t i o n .
2 ) R e c e i v e t h e C r o s s-
H a t c h S i g n a l
3 ) VIDEO C O N T R O L S :
F a c t o r y P r e s e t .
4 ) SCREEN FOR M A T :
s h o u l d b e FULL m o d e .
5 ) T h e l e n s f o c u s s h o u l d
h a v e b e e n c o a r s e a d-
j u s t e d .
6 ) T h e e l e c t r i c a l f o c u s
s h o u l d h a v e b e e n
c o a r s e a dju s t e d .
7 ) T h e D i g i t a l C o n v e r-
g e n c e R A M s h o u l d b e
c l e a r e d .
(Turn po w e r o f f , p r ess
and hold the SERVICE
ONLY s w i t c h , t h e n
press the POWER but -
ton).
T h e S e r v i c e O n l y
s w i t c h i s o n t h e D e-
fle c t i o n P W B .
DP-8 5 C H A S SIS
Adjustment Procedure :
GREEN:
1 ) A p p l y c o v e r s t o t h e
R E D a n d B L U E l e n s e s
o r s h o r t t h e 2 P S u b
M i n i c o n n e c t o r [ T S ] o n
e a c h C R T P W B t o p r o -
d u c e o n l y GREEN.
2 ) T u r n t h e Green d e f l e c -
t i o n y o k e a n d a dju s t
t h e TIL T u n t i l t h e
g r e e n i s l e v e l . [ +/-
2mm tolerance]. S e e
d i a g r a m .
RED:
1 ) R e m o v e c o v e r f r o m
RED C R T a n d a l i g n
R E D w i t h G R E E N .
2 ) [+/- 1mm tolerance
when compared to
Green]
l
= ñ 2mm
l
Vertical Center axis of
Cross-Hair signal
BLUE:
1 ) R e m o v e c o v e r f r o m
BLUE a n d c o v e r t h e
R E D C R T . A l i g n B L U E
w i t h G R E E N .
2 ) [+/- 1mm tolerance
when compared to
Green]
3 ) R E M O V E A L L C O V -
E R S .
4 ) T u r n t h e p o w e r o f f .
P A G E 0 8 - 11

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