Sony Computer Monitor pr710te User Manual

TABLE OF CONTENTS  
SAFETY INSTRUCTIONS .................................................................. 2  
INTRODUCTION............................................................................. 4  
Package Contents ..................................................................... 4  
Installing or Removing the Tilt/Swivel Base ............................ 5  
Feature Highlights .................................................................... 5  
Maximum Compatibility................................................... 5  
Latest Screen Technology ................................................. 5  
Ergonomics concerned ..................................................... 6  
Instant Power Saving Solution .......................................... 6  
Specifications ........................................................................... 6  
Recommended Use of the Monitor .......................................... 7  
CONTROLS AND ADJUSTMENTS ................................................... 8  
Front User Controls. ................................................................ 8  
"Picture" Menu ........................................................................ 9  
"Status" Menu ........................................................................ 10  
"Color" Menu......................................................................... 11  
Contrast and brightness control ............................................. 11  
BNC/D15 / Exit Switch ........................................................... 11  
Energy Declaration ................................................................ 11  
TECHNICAL INFORMATION......................................................... 12  
Compatibility ......................................................................... 12  
Pin Assignment Table ..................................................... 12  
Pin Assignments of the BNC Connectors ........................ 12  
Preset Timing Chart ........................................................ 13  
TROUBLESHOOTING.................................................................... 14  
DIMENSION/ABMESSUNGEN/DIMENSION ................................. 43  
PLUG & PLAY: DISPLAY DATA CHANNEL (DDC) ........................ 44  
MANUFACTURER'S LIMITED WARRANTY. .................................. 45  
1
♦♦♦  
 
SAFETY INSTRUCTIONS  
Usually a suitable power cord is provided by the manufacturer, while  
this product is sold. However, this product is sometimes, resold or  
transported to another area of different power system and safety  
requirements, please pay attention to the selection of a suitable power  
cord.  
The plug on the power cord is intended to serve as the disconnect  
device, the scoket-outlet shall be installed near the equipment and  
shall be easily accessible.  
9. Do not allow anything to rest on the power cord. Do not locate this  
product where persons will walk on the cord.  
10. Never push objects of any kind into this product through cabinet slots  
as they may touch dangerous voltage points or short out parts that  
could result in a risk of fire or electric shock. Never spill liquid of any  
kind on the product.  
11. Do not attempt to service this product yourself, as opening or removing  
covers may expose you to dangerous voltage points or other risk. Refer  
all servicing to service personnel.  
12. Unplug this product from the wall outlet and refer servicing to qualified  
service personnel under the following conditions.  
A. When the power cord or plug is damaged or frayed.  
B. If liquid has been spilled into the product.  
C. If the product has been exposed to rain or water.  
D. If the product does not operate normally, when the operating  
instructions are followed, adjust only those controls that are covered  
by the operating instructions since improper adjustment of other  
controls may result in damage and will often require extensive work  
by a qualified technician to restore the product to normal operation.  
E. If the product has been dropped or the cabinet has been damaged.  
F. If the product exhibits a distinct change in performance, indicating  
a need for service.  
3
♦♦♦  
 
INTRODUCTION  
Introduction  
The monitor is a multiple frequency high-resolution color monitor for IBM  
compatible PC's or Macintosh and workstation systems. The monitor is  
equipped with microprocessor based intelligence and multiple frequency  
scanning capability, allowing it to provide maximum compatibility for various  
system platforms.  
The monitor uses the latest screen technology including a 0.25mm Aperture  
Grille CRT to display crisp text and vivid color graphics with a max. resolution  
up to 1600 x 1200 pixels. Furthermore, it supports VESA 85Hz modes to provide  
a flicker free display. The full-function digital control and On-Screen Display  
(OSD) system provides easy adjustment of image geometry and color settings  
for different display modes with the precision of a fixed frequency monitor.  
The design of the monitor is also ergonomics concerned. In addition to the  
friendly controls and user comfort features, the emission level of the electric  
and magnetic field is kept low to meet the Swedish MPR II and TCO standards.  
The monitor is also equipped with energy saving functions; it is compatible  
with the VESA power saving standards. The lowest power consumption is less  
than 8 W.  
Package Contents  
The following lists all of the items included in the monitor package box. Please  
save the original box and packing materials for future transportation or shipment  
of the monitor.  
Front View  
Power Cord  
Rear View  
User's Manual  
Signal Cable  
4
♦♦♦  
 
INTRODUCTION  
Installing or Removing the Tilt/Swivel Base  
1.Turn off the system and all attached  
peripherals.  
2.Carefully set the monitor upside down.  
Remove the Tilt/Swivel Base:  
1.Squeeze and hold the latches.  
2.Pull the tilt/swivel base to the rear of the  
monitor and lift to remove the base.  
Installing the Tilt/Swivel Base:  
Insta ll  
Re m o ve  
1.Align the base with the slots on the bot-  
tom of the monitor and insert the tilt/swivel base into the slots.  
2.Push the tilt/swivel base firmly toward the front of the monitor until the  
latches click into the locked position.  
Feature Highlights  
Maximum Compatibility  
• Automatically scans all horizontal frequencies between 30kHz and 95kHz,  
and all vertical frequencies between 50 Hz and 160 Hz.  
• Supports multiple operating platforms such as IBM compatible PC's or  
Macintosh computers (with optional adapter).  
• Multiple graphic standards with high refresh rates:  
640 x 480/160Hz, 800 x 600/147Hz, 1024 x 768/117Hz, 1280 x 1024/  
85Hz, 1600 x 1200/75Hz.  
• Supports wide range of graphics standards including VGA, Super VGA, 8514/  
A, XGA, Mac II 13" (640 x 480), Mac 16" (832 x 624), Mac 21" (1152 x  
870), as well as all VESA standards.  
Latest Screen Technology  
• 0.25 mm Aperture Grille 17" CRT (43.1 cm) for maximum clarity and detailed  
pictures.  
• Special anti-reflection, anti-glare and anti-static coating of the screen face  
provides better focus, contrast and color performance.  
• Cylindrical screen reduces image distortion and glare.  
• Full feature digital control and multi-lingual OSD system allows easy  
adjustment of geometry and color. Furthermore the monitor provides even  
advanced adjustments like trapezoid, parallelogram, side-pin, pin-balance,  
convergence and rotation which allow the user to fine-tune the screen image.  
5
♦♦♦  
 
INTRODUCTION  
Ergonomics Concerned  
• Electric and magnetic field emissions are kept low to meet the Swedish  
MPR II and TCO standard.  
• Front user controls allow easy access and comfort to adjust the screen image  
to your personal preferences.  
• Horizontal and vertical full-scan capabilities allow you to use the entire  
screen area in most resolutions.  
• A tilt/swivel base for horizontal and vertical adjustments always provides  
the optimum viewing angle.  
• The BNC/D-15 selection allows user to connect two systems to the monitor  
and easily select between the two from the front panel switch.  
Instant Power Saving Solution  
• The monitor is compatible with VESA DPMS (Display Power Management  
Signalings) standard which provides four power saving modes by detecting  
horizontal and vertical sync signals.  
• The monitor consumes 65 W to 110 W depending on the screen contents in  
normal operation; when a power saving mode is activated, it consumes less  
than 15 W in Stand-by mode, less than 15 W in Suspend mode and less  
than 8 W in Off mode.  
Specifications  
Color Picture Tube  
43.1 cm / 17" (16" viewable screen size) diagonal measurement, 90 degree  
deflection, Aperture Grille CRT, anti-glare, anti-reflection, anti-static, medium  
short persistence phosphor, dark bulb  
Dot Pitch  
0.25 mm, Aperture Grille  
Input Signal  
Video: 0.7 Vp-p/75 ohm, analog positive  
Sync: Separate Sync.: TTL Level  
Horizontal Sync.:positive/negative  
Vertical Sync.: positive/negative  
Composite Sync.: TTL Level, positive/negative  
Composite Sync.: on green video 0.3Vp-p Negative  
Scan Frequency  
Display Area  
Horizontal: 30 to 95 kHz automatically  
Vertical: 50 to 160 Hz automatically  
Horizontal 300 mm (adjustable)  
Vertical 225 mm (adjustable)  
Max. Resolution  
Display Colors  
Pixel Rate  
1600 x 1200 pixel, non-interlaced  
Analog input, unlimited colors  
202.5 MHz  
Misconvergence  
Plug & Play  
Center 0.3 mm, Corner 0.4 mm maximum  
DDC 1 / DDC 2B  
Power Supply  
Power Consumption  
Dimensions  
100-120 VAC/200-240 VAC, 50/60 Hz (automatically)  
110W max.  
418(W) x 430(H) x 446.5(D) mm  
21.3 kgs(G.W.), 18.5kgs(N.W.)  
Weight  
Environment  
Consideration  
Operating Temperature:  
Humidity  
0°C  
20%  
–20°C  
10%  
to  
to  
to  
to  
35°C  
80%  
60°C  
90%  
Storage  
Temperature:  
Humidity  
Note: Specifications are subject to change without notice.  
6
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INTRODUCTION  
Recommended Use of the Monitor  
When setting up and using the monitor, pay special attention to the following  
for optimum performance:  
• Do not use your monitor against a bright background or where sunlight or  
other light sources will shine directly on the screen.  
• The monitor should be placed just below eye level (10°~15°) for optimum  
viewing.  
• Set the monitor's brightness to match the ambient room light.  
• For optimum focus, the contrast control should not be set to the maximum  
level unless the input signal level is extremely low. Also, the brightness  
control should be set to a point where the overall background area just  
begins to disappear.  
• Allow adequate ventilation around the monitor so that the heat from the  
monitor can properly dissipate.  
• Neither the monitor itself, nor any other heavy objects, should rest on the  
power cord. Damage to the power cord can cause fire or electrical shock.  
• Keep the monitor away from high-capacity transformers, electrical motors,  
or other strong magnetic fields.  
• Your monitor should not be used in damp, dusty, or dirty areas.  
• Handle your monitor with care when transporting it.  
!
CAUTION  
ê
• Do not scrap or knock the surface of CRT with a pen, a screwdriver  
and so on.  
• Clean the CRT surface with a lint-free, nonabrasive, soft cloth,  
and should not use the solution or glass cleaner containing  
corpuscles like an abrasive, alcohol and an alkaline solution.  
7
♦♦♦  
 
CONTROLS AND ADJUSTMENTS  
Controls and Adjustments  
Once you have installed the monitor for your system, please read the  
instructions of this section which give you some guidelines on how to use the  
monitor more efficiently. It leads you through the various function of the user  
controls and explains how to adjust the monitor to your personal preference.  
Front User Controls  
BNC/D15  
+
8
7
6
5
4
3
2
1
1. Power Switch  
To turn the monitor on or off.  
2. Power LED Indicator  
As long as the monitor is powered, this indicator is lit. In normal operation, it  
lights green. While in power saving mode, the indicator will turn to amber.  
3. Degauss Switch  
To manually degauss the monitor.  
4. BNC/D15 / Exit Switch  
To select input signals from BNC or D-SUB 15 pin connector or to turn off OSD  
window.  
5. Control Keys  
•To adjust the parameter of the selected function.  
To adjust the contrast level or brightness of the screen.  
6. Status Key  
To display and select the "Mode", "Off time", "Power save", "Recall",  
"Language" and "Location" functions.  
"Mode" shows horizontal/vertical frequency and polarity  
•"Off time" sets OSD window display time.  
•"Power save" enables or disable the power saving function.  
•"Recall" recalls the factory settings of the "Picture", "Color" and "Converge"  
parameters.  
•"Language" selects the OSD menu language.  
•"Location" moves the position of the OSD window.  
7. Color Key  
To display and select the color mode.(four different color modes can be chosen)  
8. Picture Key  
To display and select the "Position", "Size", "Pincushion", "Geometry",  
"Rotation" and "Others" functions.  
Power Saving Note:  
This monitor is equipped with a automatic power-saving circuitry design that  
will work with any computer which meets the VESA DPMS standard. It meets  
the ENERGY STAR low power state definition.  
8
♦♦♦  
 
CONTROLS AND ADJUSTMENTS  
"Picture" Menu  
A.Position:  
a. Press the "+" or "–"key to reposition the display to the  
right or left.  
Picture  
Position  
Size  
Pincushion  
Geometry  
b. Press the "" key to move the entire picture upwards  
and "" to move it downwards.  
Rotation  
Others  
B. Size:  
Picture  
Position  
a. Press the "+" or "–" key to enlarge or reduce the  
horizontal width.  
Size  
Pincushion  
Geometry  
b. Press the "" key to enlarge the vertical size or "" to  
reduce it.  
Rotation  
Others  
C. Pincushion:  
Picture  
Position  
a. Press the "" or "" key to select "Sidepin" or "Balance".  
b. Press the "+" or "–" key to adjust the picture according  
to your preferences.  
Size  
Pincushion  
Sidepin  
Geometry  
Rotation  
Others  
79  
D. Geometry:  
a. Press the "" or "" key to select "Keystone" and  
"Parallel".  
Picture  
Position  
Size  
Pincushion  
Keystone  
Geometry  
b. Press the "+" or "–" key to adjust the picture according  
to your preferences.  
Rotation  
Others  
90  
E. Rotation:  
Press the "+" or "–" key to rotate the picture.  
Picture  
Position  
Size  
Pincushion  
Raster  
Geometry  
Rotation  
Others  
50  
F. Others:  
a. Press the ""or""keytoselecttheMoireorConvergence.  
b. Press the "+" key to proceed.  
c. Press the "+" or "–" key for prefered adjustment.  
d. Press the "" or "" key to select the H./V.Convergence.  
e. Press the "+" or "–" key for prefered adjustment.  
Picture  
Position  
Size  
Moire  
Converge  
Pincushion  
Geometry  
Rotation  
Others  
: Proceed  
Moire  
50  
Caution:  
1. If moire reduction is overdone, picture quality, i.e.  
focus and vertical line stability will both be effected .  
2. Proper adjustment is recommanded for not effecting  
picture perfermance.  
R
B
R
B
46  
9
♦♦♦  
 
CONTROLS AND ADJUSTMENTS  
"Status" Menu  
A. Mode:  
To display timing information for the resolution, frequency  
and polarity of the current mode.  
Status  
1280 x1024  
Mode  
Off time  
Power save  
Recall  
H: 63.8 KHz  
V:  
H. SYNC:  
V. SYNC:  
5
9.8  
Hz  
Language  
Location  
+
+
B. Off time:  
Press the "+" or "–" key to specify an Off time between 5 and  
255 seconds.  
tatus  
Mode  
OSD  
After  
OFF  
Off time  
Power save  
Recall  
8  
EC  
Language  
Location  
C. Power save:  
Press the "+" key to enable or the "–" key to disable the  
power saving function.  
Status  
VESA DPMS  
Mode  
Off time  
Power save  
Recall  
: ON  
: OFF  
Language  
Location  
D. Recall:  
a. Press the "" or "" key to select "Picture", "Color" or  
"Converge".  
b. Confirm the Recall action and proceed by pressing the  
"+" key or cancel the action by pressing the "–" key.  
Status  
Mode  
Off time  
Power save  
Recall  
Picture  
Color  
Converge  
Language  
Location  
:Proceed  
Status  
Mode  
Confirm  
Off time  
Power save  
Recall  
:YES  
:NO  
Language  
Location  
E. Language:  
Press the "" or "" key to select between English, German,  
Status  
Mode  
English  
French, Spanish or Italian language for the OSD menu.  
Off time  
Power save  
Recall  
Deutsch  
ça  
Fran is  
ño  
Espa  
l
Language  
Location  
Italiano  
F. Location:  
a. Press the "+" key to shift the OSD window to the right  
or the "–" key to shift it to the left.  
b. Press the "" key to move the OSD window upwards or  
"" to move it downwards.  
Status  
Mode  
OSD  
Off time  
Power save  
Recall  
Language  
Location  
10  
♦♦♦  
 
CONTROLS AND ADJUSTMENTS  
"Color" Menu  
Color  
Color  
Color  
Color  
Mode 1  
Mode 2  
Mode 3  
Mode 4  
Mode 1  
Mode 2  
Mode 3  
Mode 4  
58  
47  
Mode 1  
Mode 2  
Mode 3  
Mode 4  
52  
51  
61  
Mode 1  
Mode 2  
Mode 3  
Mode 4  
50  
50  
50  
62  
68  
62  
°K  
7500  
°K  
5000  
°K  
6500  
23  
°K  
9300  
Mo d e 4  
Mo d e 3  
Mo d e 1  
Mo d e 2  
a. By pressing the "Color" key you can select between mode 1, 2, 3 or 4 to store  
your user defined color settings.  
b. Press the "" or "" key to select the R/G/B gain, then press the "+" key to  
increase or press the "–" key to decrease the respective color intensity.  
Contrast and Brightness Control  
When the OSD menu is switched off, proceed as follows  
to adjust the contrast or brightness:  
:50  
a. Press the "+" or "–" key to increase or decrease the  
contrast level of the screen.  
b. Press the "" or "" key to increase or decrease the  
brightness level.  
:100  
BNC/D15 / Exit Switch  
a. BNC/D15 selection  
• While the OSD window is not displayed.  
• Select the BNC/D15 by pressing the key.  
b. Exit Switch  
• You can turn off the OSD window by pressing this  
key.  
Energy Declaration  
This monitor is equipped with a function for saving energy which supports the  
VESA Display Power Management Signaling (DPMS) standard. This means that  
the monitor must be connected to a computer which also supports the VESA  
DPMS standard to fulfill the requirements of the NUTEK specification 803299/  
94/96. The time settings for switching to a power saving mode are adjusted  
from the system unit by software. From the first indication of inactivity to power  
saving position A2 the total time must not be set to more than 70 minutes.  
2. Power Consumption (120/230 Vac)  
1. VESA Power-Management Proposal  
Power  
Consumption  
VESA DPMS Standard  
NUTEK  
VESA state  
LED indicator  
H. sync  
Off  
V. sync  
On  
Video  
Blank  
Blank  
Blank  
State  
Stand-by  
Suspend  
Off  
Normal  
operation  
On  
Green  
<110W  
Power Saving  
Position A1  
Suspend  
Off  
Amber  
<15W  
<8W  
On  
Off  
Power Saving  
Position A2  
Amber  
Off  
Off  
According to TCO guidelines, the optimum TCO readings are measured when  
brightness and contrast are adjusted to their center position.  
11  
♦♦♦  
 
TECHNICAL INFORMATION  
Compatibility  
This color monitor supports multiple operating platforms such as IBM  
compatible and Macintosh family computers. This section provides you with  
detailed information on pin assignment of the D-Sub connector and the preset  
timing chart of the prevailing video standards.  
Pin Assignment  
1
6
5
10  
15  
11  
Ma le Mini D-15 C o nne c to r  
15 Pin Mini D-Sub  
Signal  
Red Video  
1
Green Video  
Blue Video  
Horizontal Sync  
Vertical Sync  
Ground  
2
3
13  
14  
4,5,6,7,8,10,11  
No Connection  
SDA (DDC)  
SCL (DDC)  
9
12  
15  
Pin Assignments of the BNC Connectors  
HS/CS  
V. SYNC  
RED  
GREEN  
Video  
BLUE  
12  
♦♦♦  
 
Note:This monitor is equipped with a micro-processor which allows the user  
to set his own preferred mode(s) beyond those standard mode listed  
below.  
Preset Timing Chart  
8 1 3 8 8  
n g E s h  
HORIZONTAL  
VERTICAL  
VESA  
640x480  
at 85 Hz  
MAC  
832x624  
at 75 Hz  
VESA  
800x600  
at 85 Hz  
MAC  
1152x864  
at 75 Hz  
VESA  
1024x768  
at 85 Hz  
VESA  
VESA  
640x480  
at 120 Hz  
800x600  
at 120 Hz  
1024x768  
at 100Hz  
VGA  
1280x1024 1280x1024  
Display Format  
at 75 Hz  
at 85 Hz  
Hotizontal Dots  
Vertical Lines  
640  
480  
720  
400  
640  
480  
640  
480  
832  
624  
800  
600  
800  
600  
1152  
864  
1024  
768  
1024  
768  
1280  
1280  
1024  
1024  
H. Frequency(kHz)  
H. Sync. Polarity  
31.469  
43.269  
63.530  
49.726  
53.674  
+
75.985  
67.500  
+
68.677  
+
80.468  
79.976  
+
91.146  
+
µ
s
(Period)  
A
31.778  
3.813  
1.907  
25.422  
0.636  
23.111  
1.556  
2.222  
17.778  
1.555  
85.008  
15.741  
1.749  
1.731  
11.660  
0.601  
119.868  
20.110  
1.117  
3.910  
14.524  
0.559  
74.552  
+
18.631  
1.138  
2.702  
14.222  
0.569  
85.062  
+
13.160  
1.074  
1.951  
9.827  
0.308  
120.039  
14.815  
1.185  
2.370  
10.667  
0.593  
75.000  
+
14.561  
1.016  
2.201  
10.836  
0.508  
84.997  
+
12.427  
1.073  
1.945  
9.309  
0.100  
99.836  
12.504  
1.067  
1.837  
9.481  
0.119  
75.024  
+
10.971  
1.016  
1.422  
8.127  
0.406  
85.024  
+
µ s  
*B (Pulse Width)  
µ
s
(Back Porch)  
C
µ
D
s
(Active Area)  
µ
s
(Front Porch)  
E
V. Frequency(Hz)  
V. Sync. Polarity  
Oms (Period)  
59.940  
70.087  
+
16.683  
14.268  
11.763  
0.069  
0.578  
11.093  
0.023  
8.343  
0.094  
0.567  
7.555  
0.127  
13.413  
0.060  
0.784  
12.549  
0.020  
11.756  
0.056  
0.503  
11.179  
0.018  
8.330  
0.039  
0.382  
7.896  
0.013  
13.333  
0.044  
0.474  
12.800  
0.015  
11.765  
0.044  
0.524  
11.183  
0.014  
10.016  
0.037  
0.423  
9.544  
0.012  
13.329  
0.038  
0.475  
12.804  
0.012  
11.761  
0.033  
0.483  
11.234  
0.011  
Pms (Pulse Width)  
Qms (Back Porch)  
Rms (Active Area)  
Sms (Front Porch)  
0.064  
1.049  
15.253  
0.318  
1.112  
12.711  
0.381  
* Bµs (Pulse Width) should be more than 0.5 µs.  
To reduce visual tiredness and eye strain, it is recommended to choose the highest refresh modes available.  
English  
 
TROUBLESHOOTING  
Troubleshooting  
Before calling an authorized service center, please check that the items below  
are properly connected or set.  
In case of using a non-standard signal, please check the pin assignments and  
the signal timing of your adapter with the specifications outlined in sections  
"Pin Assignment Table" and "Preset Timing Chart" in chapter 4.  
Problem  
Items to check  
Power Switch should be in the ON position and the power cord should be properly connected.  
No picture  
Check the color of the power LED indicator; if it is orange, then the monitor is in a power  
saving mode.  
Check if the horizontal/vertical frequency are out of range.  
Maximize the Brightness and Contrast controls.  
The signal cable should be completely connected to the video card/computer.  
"No Signal Input" is displayed on The video card should be completely seated in its slot.  
the screen  
The computer power switch should be in the ON position.  
Change the Position and Size controls to adjust the image.  
Display image is not centered,  
too small, or too large  
The signal cable should be completely attached to the computer.  
Image is scrolling or unstable  
Check the pin assignments and signal timings of the monitor and your video card.  
Adjust the Contrast and Brightness Controls.  
Picture is fuzzy  
Push the degauss button once.  
CAUTION: A minimum interval of 20 minutes should exist before the degauss button is pressed  
a second time when not switching between modes.  
Do not hold the button down continuously.  
Relocate electrical devices that may be causing electrical interference.  
Picture bounces or a wave  
pattern is present in the picture  
See the inside front cover of this manual for FCC information.  
Adjust the Pincushion control.  
Edges of the display image are  
curved either inward or outward  
Press the Degauss button once.  
Color looks blotchy  
Check if the host system is Plug & Play compatible.  
No Plug & Play functionality  
Check if the VGA card is DDC 1/DDC 2B compatible.  
Check if Window '95 is installed and the software key for DDC function is enablnly.  
Check if original maker's detachable signal cable is being used(D-15 only). BNC cable does not  
support Plug & Play function as it does not convey the SCL (Signal Clock) and SDA (Signal Data)  
signal.  
This Monitor is build-in Trinitron™ CRT. This CRT is very sensitive to shocks  
and vibrations that may occur during transportation. Following are some  
adjustment tips when below mentioned symptoms occur.  
Symptom  
Tip  
One(15") or two(17")  
horizontal lines are visible on  
the screen  
This is normal charactristic of Trinitron CRT.  
These are damper wires which are attached to the apeture grille and  
are designed to dampen and prevent which shock and vibration of the  
aperture grill.  
Black fine vertical lines are  
visible on the screen. Shock  
and vibration may cause the  
aperture grill misalligned,  
which results few fine black  
Degaussing the screen.  
Tap lightly (do not hit) the side of the monitor.  
If above mentioned remedies do not work, please do the following:  
1. Display full white window or wallpaper background over the area  
where the black lines appears.  
vertical lines across the screen 2. Set Contrast and Brightness to the maximum, wait for a moment until  
the problem is corrected. You may try to tap lightly the side of the  
monitor to help the expedite of the alignment.  
14  
♦♦♦  
 

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