Troubleshooting – NEC PlasmaSync 4210W User Manual

Page 58

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51

Picture is disturbed.
Sound is noisy.
Remote control unit operates errone-
ously.

The remote controller does not work.

Monitor’s power does not turn on when
the remote controller’s power button is
pressed.

Monitor does not operate when the re-
mote controller’s buttons are pressed.

No sound or picture is produced.

Picture appears but no sound is pro-
duced.

Tint is poor or colors are weak.

Nothing appears on screen.

Part of picture is cut off or picture is
not centered.

Image is too large or too small.

Picture is unstable.

• Is a connected component set directly in

front or at the side of the display?

• Are the remote controller’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 controller’s batteries worn

out?

• Is the remote controller pointed at the

monitor, or is there an obstacle between
the remote controller and the monitor?

• Is direct sunlight or strong artificial light

shining on the monitor’s remote control
sensor?

• Are the remote controller’s batteries worn

out?

• Is the 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?

• Are the tint and colors properly adjusted?

• Is the computer’s power turned on?
• Is a source connected?
• Is the power manager function in the

standby or off mode?

• Is the position adjustment appropriate?

• Is the screen size adjustment appropri-

ate?

• Is the computer’s resolution setting ap-

propriate?

Troubleshooting

If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting
service.

• Leave some space between the display and

the connected components.

• Replace both batteries with new ones.

• 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 controller at the monitor’s

remote control sensor when pressing but-
tons, or remove the obstacle.

• Eliminate the light by closing curtains, point-

ing the light in a different direction, etc.

• Replace both batteries with new ones.

• Plug the monitor’s power cord into a power

outlet.

• Increase the volume.
• Press the remote controller’s mute button.
• Connect the speakers properly.

• Adjust the tint and color (under “PIC-

TURE”).

• Turn on the computer’s power.
• Connect source to the monitor.
• Operate the computer (move the mouse,

etc.).

• Adjust the “RGB ADJ.” properly.

• Press the “WIDE/AUTO WIDE” button on

the remote controller and adjust properly.

• Set to the proper resolution.

Symptom

Checks

Remedy

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