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Troubleshooting
If the picture quality is poor or there
some other problem, check the adjustments,
c _erations, etc., before requesting service.
Picture is disturbed.
• [s a connected component set directly in
Leave some space between the display and
Sound is noisy,
front or at the side of the display?
the connected components.
Remote control operates erroneously.
The remote control does not work.
Replace both batteries with new ones.
Monitor's power does not turn on
when the remote control's power
button is pressed.
Monitor does not operate when the
remote control's buttons are pressed.
No sound or picture is produced.
Picture appears but no sound is
_roduced.
• Are the remote control's batteries worn
out?
• Is the monitor's power cord plugged into
a power outlet?
• Are all the monitor's indicators off?
• Are the remote control's batteries worn
out?
• Is the remote control pointed at the
monitor, or is there an obstacle between
the remote control and the monitor?
• [s direct sunlight or strong artificial light
shining on the monitor's remote control
sensor?
• Are the remote control's batteries worn
out?
• The remote cable is plugged into the
REMOTE IN terminal (Wired).
• The front panel buttons of the main unit
do not function.
• Isthe monitor's power cord plugged into a
power outlet?
• Is the volume set at the minimum?
• Is the mute mode set?
• Are the speakers properly connected?
• IsAUDIO INPUT set correctly?
Plug the monitor's power cord into a power
outlet.
Press the power button on the monitor to
turn on the power.
Replace both batteries with new ones.
Point the remote control at the monitor's
remote control sensor when pressing
buttons, or remove the obstacle.
Eliminate the light by closing curtains,
pointing the light in a different direction, etc.
• Improper control setting
Local interference.
Cable interconnections
Input impedance is not correct level
• Improper control setting.
Incorrect 15 PIN connector pin
connections.
• Are the tint and colors properly adjusted?
• Is the computer's power turned on?
• Is a source connected?
• Is the power management function in the
standby or off mode?
• Is the position adjustment appropriate?
Replace both batteries with new ones.
Unplung the remote cable from the monitor.
Poor picture with VIDEO signal input.
Poor picture with RGB signal input.
Adjust picture controls as needed.
Check pin assignments and connections.
Tint is poor or colors are weak.
Nothing appears on screen.
• The front panel buttons do not function
during Control Lock.
Plug the monitor's power cord into a power
outlet.
Increase the volume.
Press the remote control's MUTE button.
• Connect the speakers properly.
Set AUDIO INPUT on the OPTION menu
correctty,
Adjust picture control as needed.
Try another location for the monitor.
Be sure all connections are secure.
Part of picture is cut off or picture is
not centered.
Image is too large or too small.
Picture is unstable.
POWER/STANDBY indicator is
lighted in orange or red.
POWER/STANDBY indicator is
blinking in red.
POWER/STANDBY indicator is
blinking in green and red, or green.
• Adjust the tint and color (under "PICTURE").
• Turn on the computer's power,
• Connect source to the monitor.
• Operate the computer (move the mouse,
etc.).
• Adjust the "SCREEN" properly.
• Is the screen size adjustment
Press the "WIDE" button on the remote
appropriate?
control and adjust properly,
• Is the computer's resolution setting
Set to the proper resolution.
appropriate?
• Horizontal and / or vertical sync signal is
• Check the input signal.
not present when the Intelligent Power
Manager control is on.
• The temperature inside the main unit has
become too high and has activated the
protector,
Promptly switch off the power of the main
unit and wait until the internal temperature
drops. See*l.
Prompty switch off the power of the main
unit. See *2.
* l Overheat protector
If the monitor becomes too hot, the overheat p_otector will be activated and the monitor will be turned off. If this happens, turn off the power to the monitor
and unplug the power cord. If the room where the monitor is installed is particularly hot, move the monitor to a cooler loc_tion and wait for the monitor
to cool lbr 60 minutes. If the pJ oblem persists, contact your NEC dealer for service.
*2 In the following case, power off the monitor immediately and contact your dealer or authorized NEC Service Center.
The monitor turns off 5 seconds after powering on and then the POWER/STANDBY
indicator blinks. It indicates that the power supply circuit or plasma
display panel or, one or more fans have been damaged.
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