NEC 4210W user manual Troubleshooting, Symptom Checks Remedy

Page 58

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?

 

 

 

 

 

51

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Page 57 Page 59
Contents User’s Manual Precautions Important InformationTo avoid damage and prolong operating life DOC avis de conformation PrécautionsMises en garde et précautions de sécurité Page Limited Warranty Plasma Monitors 1250 N. Arlington Heights Road, Suite 500 Itasca, IllinoisContents How to Attach Options to the Plasma Monitor Ventilation Requirements for enclosure mountingIntroduction Features youll enjoy includeContents of the Package Introduction to the PlasmaSync 42-inch Plasma MonitorPart Names and Function Front ViewRear View/ Terminal Board EXT Speaker R EXT Speaker LRemote Controller RGB/PCOFF Timer Battery Installation and ReplacementOperating Range Using the wired remote control modeHandling the remote controller ApproxInstallation AudioConnecting Your VCR Or Laser Disc Player Connecting Your PC Or Macintosh ComputerConnecting Your Document Camera Connecting Your DVD PlayerExternal Speaker Connections Stereo AMP Green or Sync. on Green Mini D-Sub 15 Pin RGB Signal CompositionPin No Signal to be connected No ConnectionBasic Operations Canceling the off timer To set the off timerTo check the remaining time Wide Operations When watching videos or digital video discsWhen watching high definition video source Watching with a wide screen manualSupported resolution Watching computer images with a wide screenOSMOn Screen Menu Controls Menu OperationsMain menu Sub menu Functions Once the adjustment is completed Picture Settings MenuExample Setting the Theater mode To set to TheaterPicture adjustment screen Adjusting the pictureExample Adjusting the contrast Adjusting the computer imageExample Setting Setting the color temperatureOnce the setting is completed Example Adjusting the White Balance Adjusting the color to the desired qualityAdjusting the white balance Reducing noise in the picture Example Setting NR-3Types of noise reduction Example Adjusting the bass Sound Settings MenuAdjusting the treble, bass and left/right balance Sound settings menuExample Adjusting the vertical position in the zoom mode Screen Settings MenuAdjusting the position and size of the wide screen Adjusting the wide screenTo continue making other computer image adjustments Example Adjusting the vertical position in the normal modeTo adjust the normal mode Once all adjustments are completedScreen modes Adjusting the position of the menu display Example Adjusting the vertical position of the menu displayPower management function Function Settings MenuSetting the power management for computer images Power management settingsPOWER/STANDBY indicator Description Turning the picture back onTo set the RGB select mode to Video Setting a computer image to the correct RGB se- lect screenExample Setting the RGB Select mode to Video RGB Select modesTo set the HD select mode to Setting high definition images to the suitable screen sizeExample Setting the 1080I mode to HD Select modesSetting the gray level for the sides of the screen Setting the on-screen displayExample Turning the on-screen display mode off Example Adjusting the Gray LevelResetting to the default values Setting the brightness level to the minimumExample Setting the PLE to Lock To set the PLE to LockChecking the frequencies and polarities of input signals Information MenuLanguage settings Setting the language for the menusExample Setting the menu display to Deutsch To select DeutschVideo signal formats Setting the video signal formatExample Setting the video signal format to 3.58 Ntsc To select 3.58 NtscConnections External ControlApplication Communication ParametersCommunication Format CommandCheck Sum CKS, Error Processing, and ACK Unit ID 1 and Unit IDCommunications Flow Power OFF Function Command Reference ListPower on Input Switch Change FunctionAudio Mute On Function Volume Gain Data FunctionScreen Mode Select Function Audio Mute Off FunctionOSD Select Function Color Gain Data FunctionSharpness Gain Data Function Tint Gain Data FunctionContrast Gain Data Function Input Mode Request Function Bright Gain Data FunctionColor Temp Select Function RED Gain Data FunctionGreen Gain Data Function Blue Gain Data FunctionVideo ADJ Request Function DATA0B Color Temp Supported resolution Table for Signals SupportedModel Dots × lines Vertical Horizontal Screen mode Troubleshooting Symptom Checks RemedySpecifications Signals
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