HMD-A400 - Sony Audio Service Manual (repair manual). Page 9

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1-4
 
10
 
Adjusting the centering of the 
picture (CENTER)
 
This setting is stored in memory for the current input signal.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 SIZE/
CENTER and press the center of the control button 
again.
 
The SIZE/CENTER menu appears on the screen.
 
3
 
First move the control button 
 
m
 
/
 
M
 
 to select 
 (H-CENTER) for horizontal adjustment, or 
 (V-CENTER) for vertical adjustment. Then move 
the control button 
 
<
 
/
 
,
 
 to adjust the centering.
 
Adjusting the size of the picture 
(SIZE)
 
This setting is stored in memory for the current input signal.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 SIZE/
CENTER and press the center of the control button 
again.
 
The SIZE/CENTER menu appears on the screen.
 
3
 
First move the control button 
 
m
 
/
 
M
 
 to select 
 (H-SIZE) for horizontal adjustment, or 
 (V-SIZE) for vertical adjustment. Then move the 
control button 
 
<
 
/
 
,
 
 to adjust the size.
 
Enlarging or reducing the picture 
(ZOOM)
 
This setting is stored in memory for the current input signal.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 SIZE/
CENTER and press the center of the control button 
again.
 
The SIZE/CENTER menu appears on the screen.
 
3
 
Move the control button 
 
m
 
/
 
M
 
 to select 
 (ZOOM), 
and move 
 
<
 
/
 
,
 
 to enlarge or reduce the picture.
 
Adjusting the shape of the picture 
(GEOMETRY)
 
The GEOMETRY 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 center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 
GEOMETRY and press the center of the control 
button again.
 
The GEOMETRY menu appears on the screen.
 
3
 
First move the control button 
 
m
 
/
 
M
 
 to select the 
desired adjustment item. Then move the control 
button 
 
<
 
/
 
,
 
 to make the adjustment.
 
Adjusting the convergence 
(CONVERGENCE)
 
The CONVERGENCE 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 center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 
CONVERGENCE and press the control button again.
 
The CONVERGENCE menu appears on the screen.
 
3
 
First move the control button 
 
m
 
/
 
M
 
 to select the 
desired adjustment item. Then move the control 
button 
 
<
 
/
 
,
 
 to make the adjustment.
 
Select
To 
 
 (ROTATION)
rotate the picture
 (PIN)
expand or contract the picture sides
 (PIN BALANCE)
shift the picture sides to the left or 
right
 (KEY)
adjust the picture width at the top of 
the screen
 (KEY BALANCE) 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
 
11
US
 
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 colors to a printed picture’s colors.
This setting is stored in memory for all input signals.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 COLOR 
and press the center of the control button again.
 
The COLOR menu appears on the screen.
 
3
 
Move the control button 
 
<
 
/
 
,
 
 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.
 
4
 
If necessary, fine tune the color temperature.
 
First move the control button 
 
<
 
/
 
,
 
 to select USER. Then 
move the control button 
 
m
 
/
 
M
 
 to select R (red), G (green), or 
B (blue) and move the control button 
 
<
 
/
 
,
 
 to make the 
adjustment.
If you fine tune the color temperature, the new color settings 
are stored in memory and recalled whenever you select 
USER.
 
Additional settings (SCREEN)
 
You can manually degauss (demagnetize) the screen, and adjust 
the moire cancellation level.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 
SCREEN and press the center of the control button 
again.
 
The SCREEN menu appears on the screen.
 
3
 
Move the control button 
 
m
 
/
 
M
 
 to select the desired 
adjustment item.
 
Adjust the selected item according to the following 
instructions.
 
x
 
Degaussing the screen
 
The monitor is automatically demagnetized when the power is 
turned on.
 
To manually degauss the monitor, first move the 
control button 
 
m
 
/
 
M
 
 to select 
 (DEGAUSS). Then move 
the control button 
 
,
 
.
 
The screen is degaussed for about 5 seconds. If a second degauss 
cycle is needed, allow a minimum interval of 20 minutes for the 
best result.
 
x
 
Adjusting the moire
 
*
 
If elliptical or wavy patterns appear on the screen, adjust the moire 
cancellation level.
 
To adjust the amount of moire cancellation, first move 
the control button 
 
m
 
/
 
M
 
 to select 
 (CANCEL MOIRE). 
Then move the control button 
 
<
 
/
 
,
 
 until the moire 
effect is at a minimum. 
 
* 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.
 
Resetting the adjustments 
(RESET)
 
This monitor has the following two reset methods. Use the 
RESET menu to reset the adjustments.
 
1
 
Press the center of the control button.
 
The main MENU appears on the screen.
 
2
 
Move the control button 
 
m
 
/
 
M
 
 to highlight 
 
0
 
 RESET 
and press the center fo the control button again.
 
The RESET menu appears on the screen.
Reset the settings according to the following instructions.
 
Resetting all of the adjustment data for the 
current input signal (MODE)
 
Move the control button 
 
<
 
 
The MODE item is selected. All of the adjustment data for the 
current input signal is reset. 
Note that the following items are not reset by this method.
• on-screen menu language (page 7)
• picture’s rotation (page 10)
 
Resetting all of the adjustment data to factory 
preset levels (ALL)
 
Move the control button 
 
,
 
 
The ALL item is selected. All of the adjustment data for the 
current input signal is reset. All of the adjustment data (except for 
the USER settings in the COLOR menu) is reset to the factory 
preset levels.
 
Note
 
The monitor
 
 
s buttons will not operate for about 5 seconds when ALL is 
selected.
K
K
K
R
5 0
G
5 0
B
5 0
SE L ECT
EX I T
COLOR
5000
6500
9300
USER
MENU
Example of moire
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