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PVM>8041Q/8044Q
VMC
(Vertical
Misconvergeiice)
correction
and motion of
the
Electron
Beam
with
the
BMC
(6-poles)
magnet.
VMC
Correction
(A)
VMC
Correction
(B)
^
B
B
C>D
C=D
r-OR^r-O
R
C
G
^
D
G
i-O B
purity
magnet
(2)
Horizontal
and
Vertical
Dynamic Convergence
Adjustment
at
the
Environs
of
the
Screen (Dynamic
Convergence
Adjustment)
1
.
When
there
is
miscon
vergence
at
the sides
of
screen, adjust for best
convergence
as
follows
by
moving
the deflection
yoke.
2.
Loosen
deflection
yoke
screw.
Remove
deflection
yoke
spacers.
Move
the deflection
yoke
for best
convergence. Tighten
the
deflection
yoke
screw.
Install
three deflection
yoke
spacers.
—
18
—
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