1-86
VPH-G90E/G90U/G90M
110
Adjustments
Adjustments
Adjusting the Registration
11
Adjust with the
V
and
v
keys until parts (
b
) (distances between the
red and green lines) at the top and bottom are of equal length.
V
: The upper and lower horizontal lines are shifted upward while the
horizontal center line remains unmoved.
v
: The upper and lower horizontal lines are shifted downward while
the horizontal center line remains unmoved.
12
Press the SIZE key.
13
Adjust with the
V
and
v
keys so that the red and green lines at the top
and bottom encircled portions converge.
V
: The vertical scale is expanded.
v
: The vertical scale is reduced.
14
If the lines do not converge, repeat steps
10
to
13
.
15
If the CROSS HAIR pattern is off-centered on the screen, adjust the
centering again and repeat steps
10
to
14
for the vertical scale
adjustment.
For details of the centering adjustment, see “Red CENT (centering)
adjustment” on page 108.
Adjustments
111
Adjustments
9
Red SKEW and BOW adjustments
A
Horizontal line adjustment
If the horizontal line of the picture is as shown by the dotted line in the
illustrations below, adjust it with the corresponding arrow key so that it is
perpendicular to the vertical line (bold line illustrated on the left).
1
Press the BOW key.
The CROSS HAIR pattern appears.
You can also change to the 9
×
9 HATCH pattern by pressing the
PATTERN key.
2
Reset the FINE bow data.
See “Resetting the Data” on page 138.
3
Adjust the distortion as illustrated below with the
V
and
v
keys.
V
: The left and right ends of the horizontal line curve
upward while the center remains unchanged.
v
: The right and left ends of the horizontal line curve
downward while the center remains unchanged.
4
Press the SKEW key.
5
Reset the FINE skew data.
See “Resetting the Data” on page 138.
6
Adjust the distortion as illustrated below with the
V
and
v
keys.
V
: The horizontal line rotates counter-clockwise,
rotating around the center.
v
: The horizontal line rotates clockwise, rotating
around the center.
7
Repeat steps
1
to
6
until the red horizontal line converges with the
green line.
Each time you press the BOW or SKEW key, the COARSE mode and
FINE mode are selected alternately, and you can use the two modes
appropriately. The adjustment data is stored for each mode separately.
While you hold down the arrow key in the FINE mode, “f” is
displayed around the adjustment position.
Summary of Contents for VPH-G90E
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Page 122: ...2 2 VPH G90E G90U G90M 2 1 3 Location 3 ME MB MC PB M L MA BA F BC NA BB ...
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Page 337: ...9 1 9 1 VPH G90E G90U G90M SECTION 9 BLOCK DIAGRAMS ...
Page 363: ...2 3 4 5 A B C D E F G H 1 10 1 10 1 VPH G90J G90E G90U G90M SECTION 10 DIAGRAMS ...
Page 437: ...2 3 4 5 A B C D E F G H 1 10 75 10 75 VPH G90J G90E G90U G90M ...
Page 474: ...2 3 4 5 A B C D E F G H 1 10 112 10 112 VPH G90J G90E G90U G90M ...
