GDM-F500R - Sony Monitor Service Manual (repair manual). Page 10

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1-5
 
12
 
Adjusting the shape of the picture 
(GEOM)
 
The GEOM settings allow you to adjust the rotation and shape of 
the picture.
The 
 (rotation) setting is stored in memory for all input signals. 
All other settings are stored in memory for the current input 
signal.
 
1
 
Press the joystick.
 
The main MENU appears on the screen.
 
2
 
Move the joystick to highlight 
 GEOM and press 
the joystick again.
 
The GEOMETRY menu appears on the screen.
 
3
 
First move the joystick up or down to select the 
desired adjustment item. Then move the joystick left 
or right to make the adjustment.
 
Adjusting the convergence (CONV)
 
The CONV settings allow you to adjust the quality of the picture 
by controlling the convergence. The convergence refers to the 
alignment of the red, green, and blue color signals.
If you see red or blue shadows around letters or lines, adjust the 
convergence.
These settings are stored in memory for all input signals.
 
1
 
Press the joystick.
 
The main MENU appears on the screen.
 
2
 
Move the joystick to highlight 
 CONV and press 
the joystick again.
 
The CONVERGENCE menu appears on the screen.
 
3
 
First move the joystick up or down to select the 
desired adjustment item. Then move the joystick left 
or right to make the adjustment.
Select
To 
 
rotate the picture
expand or contract the picture sides
shift the picture sides to the left or right
adjust the picture width at the top of the screen
shift the picture to the left or right at the top of the 
screen
 
Select
To
 
 
horizontally shift red or blue shadows
 
 
 
vertically shift red or blue shadows
 
 TOP
 
V CONVER TOP
 
vertically shift red or blue shadows at 
the top of the screen
 
 BOT
 
V CONVER 
BOTTOM
 
vertically shift red or blue shadows at 
the bottom of the screen
 
13
US
 
Adjusting the quality of the picture 
(SCREEN)
 
The SCREEN settings allow you to adjust the quality of the 
picture by controlling the moire and landing.
• If the color is irregular at the corners of the screen, adjust the 
landing.
• If elliptical or wavy patterns appear on the screen, cancel the 
moire.
The CANCEL MOIRE and MOIRE ADJUST settings are stored 
in memory for the current input signal. All other settings are 
stored in memory for all input signals.
 
1
 
Press the joystick.
 
The main MENU appears on the screen.
 
2
 
Move the joystick to highlight 
 SCREEN and 
press the joystick again.
 
The SCREEN menu appears on the screen.
 
3
 
First move the joystick up or down to select the 
desired adjustment item. Then move the joystick left 
or right to make the adjustment.
 
* Moire is a type of natural interference which produces soft, wavy lines 
on your screen. It may appear due to interference between the pattern 
of the picture on the screen and the phosphor pitch pattern of the 
monitor.
 
Note
 
The picture may become fuzzy when CANCEL MOIRE is set to ON.
 
Adjusting the color of the picture 
(COLOR)
 
The COLOR settings allow you to adjust the picture’s color 
temperature by changing the color level of the white color field. 
Colors appear reddish if the temperature is low, and bluish if the 
temperature is high. This adjustment is useful for matching the 
monitor’s color to a printed picture’s colors.
 
1
 
Press the joystick.
 
The main MENU appears on the screen.
 
2
 
Move the joystick to highlight 
 COLOR and press 
the joystick again.
 
The COLOR menu appears on the screen.
 
3
 
Move the joystick left or right to select the 
adjustment mode.
 
There are three types of adjustment modes, EASY, EXPERT 
and sRGB.
 
4
 
First move the joystick up or down to select the 
desired adjustment item. Then move the joystick left 
or right to make the adjustment.
 
Adjust the selected mode according to the following 
instructions.
 
EASY mode
1
 
Move the joystick up or down to select the color 
temperature row 
 
1
 
. Then move the joystick left or 
right to select a color temperature.
 
The preset color temperatures are 5000K, 6500K, and 9300K. 
Since the default setting is 9300K, the whites will change 
from a bluish hue to a reddish hue as the temperature is 
lowered to 6500K and 5000K.
 
2
 
If necessary, fine tune the color temperature.
Move the joystick up or down to select the color 
temperature row 
 
2
 
. Then move the joystick left or 
right to fine tune the color temperature.
 
If you fine tune the color temperature, the new color settings 
are stored in memory for each of the three color temperatures 
and item 
 
1
 
 of the on-screen menu changes as follows.
• [5000K]
 
t
 
[
1]
• [6500K]
 
t
 
[
2]
• [9300K]
 
t
 
[
3]
 
Select
To
 
 
LANDING
 
reduce any color irregularities in the 
screen’s top left corner to a minimum.
 
 
 
LANDING
 
reduce any color irregularities in the 
screen’s top right corner to a 
minimum.
 
 
 
LANDING
 
reduce any color irregularities in the 
screen’s bottom left corner to a 
minimum.
 
 
 
LANDING
 
reduce any color irregularities in the 
screen’s bottom right corner to a 
minimum.
 
 
CANCEL MOIRE
 
*
turn the moire cancellation function 
ON or OFF.
 (MOIRE ADJUST) appears in 
the menu when you select ON.
 
MOIRE ADJUST
 
adjust the degree of moire 
cancellation until the moire is at a 
minimum.
Example of moire
EASY
EXPERT
s
B
G
R
5 0 0 0 K
6 5 0 0 K
9 3 0 K
0
5 0
K
0
0
I MAGE
RES TORA T I ON
ON
CO LOR
 
(continued)
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