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Deflection Adjustment; Deflection; Y Oke Neck Rotation - Sony PVM-9L2 Service Manual

Trinitron color video monitor.
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2-11.
Deflection
Yoke Neck
Rotation
Adjustment
4.
The
following
patterns
cannot
be
corrected
by
turning
the
neck. (Figs.2-25, 2-26,
and
2-27)
1.
If
there
is
mis-convergence
on
both
sides
of
the
X
or
Y
axis
of
the screen, turn the
neck
of
the deflection
yoke
in
the
direction
of
the
arrow
to
hold
the
mis-conver-
gence
for the entire
CRT
screen within the
tolerance.
RGB
(1)
Reverse
cross
mis-convergencepattern
Move
the deflection
yoke
downward.
(2)
Cross
mIs-convergence
pattern
Move
the
deflection
yoke
A
upward.
T
BGR
RGB
OOJ»
op
0-—
}
o
o
B
G
B
G
o—
}
o
{—
o
O*-'
6b
''•'m
R
R
bob
RGB
Fig.
2-18
(3)
Pattern
of left-sided
deflection
yoke
Move
the
deflection
yoke
to
the
right
when
viewed
from
the
CRT
screen.
BG
R
Fig.
2-19
(4)
Pattern
of right-sided
deflection
yoke
Move
the
deflection
^
yoke
to
the
left
when
viewed from
the
CRT
screen.
Fig.
2-20
Fig.
2-21
2
zone
Op
*
Gun
rotation
\
I
/
B
The
X-axis
and
Y-axis
O
O''"
o
o
''O
G
R
beams
are
distorted
on
both
sides.
6b
RGB
G
(G)
(G)
G
ooo
OOO
R
R
B
B
Fig.
2-25
*
HCR
Large
(small)
The
horizontal portion
of
the
G
raster
Is
wider
(narrower)
than
that of
the
RB
raster
on
both sides
of
the screen.
Fig.
2-26
5}:
VCR
Large
(small)
The
vertical
portion
of
the
G
raster
Is
wider
(narrower)
than
that of
the
RB
raster
on
both sides
of
the screen.
Fig.
2-27
2.
Turn
the
neck of
the deflection
yoke
to align
the
V
pin
vertically.
3.
Insert
the
wedge
between
the deflection
yoke and
CRT
funnel
to
lock the
deflection
yoke.
(Fig.2-24)
PVM-9L2
2-17

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