Sony SDM-N50R Operating Instructions Manual page 21

Symptom
Picture flickers, bounces,
oscillates, or is scrambled
Picture is fuzzy
Picture is ghosting
Picture is not centered or sized
properly
Picture is too small
Wavy or elliptical pattern (moire)
is visible
Color is not uniform
White does not look white
Monitor buttons do not operate
( appears on the screen)
The monitor turns off after a while
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 : SDM-N50R
SER NO : 1234567
MANUFACTURED : 2001-52
Check these items
• Adjust the pitch and phase (page 13).
• 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.
• Adjust the brightness and contrast (page 12).
• Adjust the pitch and phase (page 13).
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
• 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.
• 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.
• Adjust the pitch and phase (page 13).
• Adjust the pitch and phase (page 13).
• Adjust the color temperature (page 14).
• If the menu lock is set to ON, set it to OFF (page 16).
• 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.
If any problem persists, call your authorized Sony dealer and give
the following information:
• Model name: SDM-N50R
• Serial number
• Name and specifications of your computer and graphics board
Model name
Serial number
Week and year
of manufacture
GB
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