NEC 4205W Troubleshooting, Checks, Remedy, Symptom

Troubleshooting

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

Symptom		Checks	Remedy
Picture is disturbed.	•	Is 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 unit operates errone-
ously.
The remote controller does not work.	•	Are the remote controller’s batteries worn	• Replace both batteries with new ones.
		out?
Monitor’s power does not turn on when	•	Is the monitor’s power cord plugged into	• Plug the monitor’s power cord into a power
the remote controller’s power button is		a power outlet?	outlet.
pressed.	•	Are all the monitor’s indicators off?	• Press the power button on the monitor to
			turn on the power.
	• Are the remote controller’s batteries worn		• Replace both batteries with new ones.
		out?
Monitor does not operate when the re-	•	Is the remote controller pointed at the	• Point the remote controller at the monitor’s
mote controller’s buttons are pressed.		monitor, or is there an obstacle between	remote control sensor when pressing but-
		the remote controller and the monitor?	tons, or remove the obstacle.
	• Is direct sunlight or strong artificial light		• Eliminate the light by closing curtains, point-
		shining on the monitor’s remote control	ing the light in a different direction, etc.
		sensor?
	• Are the remote controller’s batteries worn		• Replace both batteries with new ones.
		out?
No sound or picture is produced.	•	Is the monitor’s power cord plugged into	• Plug the monitor’s power cord into a power
		a power outlet?	outlet.
Picture appears but no sound is pro-	•	Is the volume set at the minimum?	• Increase the volume.
duced.	•	Is the mute mode set?	• Press the remote controller’s mute button.
	• Are the speakers properly connected?		• Connect the speakers properly.
Tint is poor or colors are weak.	•	Are the tint and colors properly adjusted?	• Adjust the tint and color (under “PIC-
			TURE”).
Nothing appears on screen.	•	Is the computer’s power turned on?	• Turn on the computer’s power.
	• Is a source connected?		• Connect source to the monitor.
	•	Is the power manager function in the	• Operate the computer (move the mouse,
		standby or off mode?	etc.).
Part of picture is cut off or picture is	•	Is the position adjustment appropriate?	• Adjust the “RGB ADJ.” properly.
not centered.
Image is too large or too small.	•	Is the screen size adjustment appropri-	• Press the “WIDE/AUTO WIDE” button on
		ate?	the remote controller and adjust properly.
Picture is unstable.	•	Is the computer’s resolution setting ap-	• Set to the proper resolution.
		propriate?

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