CPD-E400, CPD-E400E, CPD-E400P - Sony Monitor Service Manual (repair manual). Page 10

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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 center of the control button.
The main MENU appears on the screen.
2
Move the control button to highlight 
 CONV and 
press the center of the control button again.
The CONVERGENCE menu appears on the screen.
3
First move the control button 
m
/
M
 to select 
 for 
horizontal adjustment, or 
 for vertical 
adjustment. Then move the control button 
<
/
,
 to 
adjust the convergence.
Additional settings (OPTION)
You can manually degauss (demagnetize) the monitor, adjust the 
moire cancellation level, change the menu position, and lock the 
controls.
1
Press the center of the control button.
The main MENU appears on the screen.
2
Move the control button to highlight 
 OPTION and 
press the center of the control button again.
The OPTION 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.
Degaussing the screen
The monitor is automatically demagnetized (degaussed) 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.
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 
 (MOIRE ADJUST). 
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.
Changing the menu’s position
Change the menu’s position if it is blocking an image on the 
screen.
To change the menu’s on-screen position, first move 
the control button 
m
/
M
 to select 
 (OSD H POSITION) 
for horizontal adjustment, or 
 (OSD V POSITION) for 
vertical adjustment. Then move the control button 
<
/
,
 to shift the on-screen menu.
Example of moire
13
US
Locking the controls
To protect adjustment data by locking the controls, first 
move the control button 
m
/
M
 to select 
 (CONTROL 
LOCK). Then move the control button 
,
, to select ON.
Only the 1 (power) switch, EXIT, and 
 (CONTROL LOCK) 
of the OPTION menu will operate. If any other items are selected, 
the 
 mark appears on the screen.
To cancel the control lock
Repeat the procedure above and set 
 (CONTROL LOCK) to OFF.
Helpful hints and information 
(HELP)
The HELP menu contains helpful hints and information about this 
monitor. If your monitor is displaying symptoms that match those 
listed in the HELP menu, follow the on-screen instructions to 
resolve the problem. If the symptoms do not match those listed in 
the HELP menu or if the problem persists, see “Trouble 
symptoms and remedies” on page 16.
1
Press the center of the control button.
The main MENU appears on the screen.
2
Move the control button to highlight 
 HELP and 
press the center of the control button again.
The following HELP menu appears on the screen.
3
Move the control button 
m
/
M
 to select a HELP menu 
item and press the center of the control button 
again.
Instructions or information to resolve the problem appears on 
the screen. An explanation of each menu item is given below.
RECOMMENDED RESOLUTION
If the picture does not fill the screen to the edges or if the picture 
appears too large for the screen, adjust the resolution to the figures 
shown in the menu using your computer. If the input signal 
matches one of this monitor’s factory preset modes, the resolution 
and refresh rate of the current input signal are displayed.
FLICKER
If the picture is flickering, adjust the refresh rate to figures shown 
in the menu. If the input signal matches one of this monitor’s 
factory preset modes, the refresh rate of the current input signal is 
displayed.
RE TURN TO MA I N MENU
RECOMMENDED RESO L U T I ON
F L I CKER
TH I N HOR I ZON T A L
L I NE
D I S TOR T ED SHAPE
OU T OF FOCUS
D I SCO LORA T I ON
HE L P
SE T RESOL UT I ON TO
1 2 8 0 X 1 0 2 4 A T
8 5 H z US I NG PC .
CURRENT SE T T I NG
I S
1 2 8 0 X 1 0 2 4 A T
7 5 H z .
RECOMMENDED RESOL UT I ON
SE T RE FRESH RA T E TO
7 5 H z OR 8 5 H z US I NG PC .
CURRENT SE T T I NG
I S 6 0 H z .
F L I CKER
(continued)
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