Symptom

Check these items

Picture flickers, bounces,

• Adjust the pitch and phase (page 13).

oscillates, or is scrambled

• Isolate and eliminate any potential sources of electric or magnetic fields such as other

 

monitors, laser printers, electric fans, fluorescent lighting, or televisions.

 

• Move the monitor away from power lines or place a magnetic shield near the monitor.

 

• Try plugging the monitor into a different AC outlet, preferably on a different circuit.

 

xProblems caused by the connected computer or other equipment

 

• Check your graphics board manual for the proper monitor setting.

 

• Confirm that the graphics mode (VESA, Macintosh 19" Color, etc.) and the frequency of

 

the input signal are supported by this monitor (Appendix). Even if the frequency is within

 

the proper range, some video boards may have a sync pulse that is too narrow for the

 

monitor to sync correctly.

 

• Adjust the computer’s refresh rate (vertical frequency) to obtain the best possible picture.

 

 

Picture is fuzzy

• Adjust the brightness and contrast (page 12).

 

• Adjust the pitch and phase (page 13).

 

 

Picture is ghosting

• Eliminate the use of video cable extensions and/or video switch boxes.

 

• Check that all plugs are firmly seated in their sockets.

Picture is not centered or sized properly

Adjust the pitch and phase (page 13).

Adjust the picture position (page 13). Note that some video modes do not fill the screen to the edges.

The picture is too small

Set the zoom setting to ON (page 14).

 

xProblems caused by the connected computer or other equipment

 

Set the computer’s resolution to the screen’s resolution.

Wavy or elliptical pattern (moire)

• Adjust the pitch and phase (page 13).

is visible

 

 

 

Color is not uniform

• Adjust the pitch and phase (page 13).

 

 

White does not look white

• Adjust the color temperature (page 14).

 

 

Monitor buttons do not operate

• If the menu lock is set to ON, set it to OFF (page 16).

(

appears on the screen)

 

 

 

The monitor turns off after a while

• Set the power saving function to OFF (page 16).

 

 

• Set the user sensor to OFF (page 16).

xProblems caused by the connected computer or other equipment

• Set the computer’s power saving setting to off.

GB

Displaying this monitor’s name, serial number, and date of manufacture.

While the monitor is receiving a video signal, press and hold the MENU button for more than 5 seconds to display this monitor’s information box.

MENU

Example

INFORMATION

Model name

MODEL : SDM-N50

SER NO : 1234567 Serial number

MANUFACTURED : 1999-52

Week and year of manufacture

If any problem persists, call your authorized Sony dealer and give the following information:

Model name: SDM-N50

Serial number

Name and specifications of your computer and graphics board.

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