Advertisement
14-inch model
DY Assy
20-inch model
Neck
Assy
Neck
Assy
Fig.1-16.
• HMC and VMC correction with 6-pole magnet
1. H NC (horizontal
misconvergence)
correction
of 6-pole
magnet and movement of electron beam.
HMCcorrection
(A)
HMC correction
(B)
A<B
~g
~
"
W--J
A-4--8
\\ I
JI
R
G B
1A=Bt1.j
~B?A}i
-w-RGB
A B
Fig.1-17.
I
A=B000
~
A B
2. VNC (vertical misconvergence) correction of 6-pole magnet
and movement of electron beam.
VMC correction (A)
VMC correction (B)
I
C<D
C=D
~
C>D
C=D
'
OR
OR
c ,oRcEoR
,
, c~
cE
I]
+
OG
~
o•
OG
D
D
D
BO
B
B
OB
Fig.1-18.
4-8
[20-inch Model Convergence Adjustment]
• Preparation
I.
Set the SCREEN MODE to 4 : 3 NORM at the INPUT
CONFIGURATION
menu.
2. Input the cross hatch signal.
• Vertical Convergence Adjustment
I.
Minimize the vertical misconvergence
at the center of the
left side of the screen and the center of the right side of the
screen using the DY correction reactors XBV and XCV.
2.
Minimize the vertical misconvergence at the top and bottom
of the screen using the DY correction reactor TL V.
3.
Adjust the
V
CONY TOP data and V CONY BOT data so
that the vertical misconvergence at the top and bottom of the
screen becomes minimum.
Note:The V CONY TOP and V CONY BOT adjustment
menu
is under
the
E BOARD
menu
of
the
MAINTENANCE menu.
R
:::----
9
X B V
TL
V
:::::::::::.
A r===========1
B
B
R
-------------
Fig.1-19.
XCV
A
----
-
...
__
B
Advertisement
