NEC PX-61XM4G, PX-50XM5G, PX-42XM4G user manual Troubleshooting, Symptom Checks Remedy

Page 39

Troubleshooting

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

Symptom

Checks

Remedy

The unit emits a crackling sound.

• Are the image and sound normal?

• If there are no abnormalities in the image and sound,

 

 

the noise is caused by the cabinet reacting to

 

 

changes in temperature. This will not affect

 

 

performance.

Picture is disturbed.

• Is a connected component set directly in front or at

• Leave some space between the display and the

Sound is noisy.

the side of the display?

connected components.

Remote control operates erroneously.

 

 

The remote control does not work.

• Are the remote control’s batteries worn out?

• Replace both batteries with new ones.

 

 

 

 

• Is IR REMOTE set to ON?

• Set IR REMOTE OFF on OPTION3 menu.

 

 

 

 

• Has an ID number been set for the main unit?

• Set an ID number with the ID SELECT button, or set

 

 

the ID number to ALL.

 

 

 

Monitor’s power does not turn on when the

• Is the monitor’s power cord plugged into a power

• Plug the monitor’s power cord into a power outlet.

remote control’s power button is pressed.

outlet?

 

 

• Are all the monitor’s indicators off?

• Press the power button on the monitor to turn on the

 

 

power.

 

 

 

 

• Are the remote control’s batteries worn out?

• Replace both batteries with new ones.

 

 

 

 

• Is IR REMOTE set to OFF?

• Set IR REMOTE ON.

 

 

 

 

• Has an ID number been set for the main unit?

• Set an ID number with the ID SELECT button, or set

 

 

the ID number to ALL.

Monitor does not operate when the remote

• Is the remote control pointed at the monitor, or is

• Point the remote control at the monitor’s remote

control’s buttons are pressed.

there an obstacle between the remote control and

control sensor when pressing buttons, or remove the

 

the monitor?

obstacle.

 

• Is direct sunlight or strong artificial light shining on

• Eliminate the light by closing curtains, pointing the

 

the monitor’s remote control sensor?

light in a different direction, etc.

 

 

 

 

• Are the remote control’s batteries worn out?

• Replace both batteries with new ones.

 

 

 

 

• The remote cable is plugged into the REMOTE IN

• Unplug the remote cable from the monitor.

 

terminal (Wired).

 

 

 

 

The front panel buttons of the main unit do

• The front panel buttons do not function during

• Set the Control Lock to OFF.

not function.

Control Lock.

 

No sound or picture is produced.

• Is the monitor’s power cord plugged into a power

• Plug the monitor’s power cord into a power outlet.

 

outlet?

 

 

 

 

Picture appears but no sound is produced.

• Is the volume set at the minimum?

• Increase the volume.

 

• Is the mute mode set?

• Press the remote control’s MUTE button.

 

• Are the speakers properly connected?

• Connect the speakers properly.

 

 

 

 

• Is AUDIO INPUT set correctly?

• Set AUDIO INPUT on the AUDIO menu correctly.

 

 

 

Poor picture with VIDEO signal input.

• Improper control setting.

• Adjust picture control as needed.

 

Local interference.

Try another location for the monitor.

 

Cable interconnections.

Be sure all connections are secure.

 

Input impedance is not correct level.

 

Poor picture with RGB signal input.

• Improper control setting.

• Adjust picture controls as needed.

 

Incorrect 15 PIN connector pin connections.

Check pin assignments and connections.

 

 

 

Tint is poor or colors are weak.

• Are the tint and colors properly adjusted?

• Adjust the tint and color (under PICTURE).

 

 

 

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 management function in the standby

• Operate the computer (move the mouse, etc.).

 

or off mode?

 

 

• Is LOOP OUT set to ON?

• Set LOOP OUT OFF.

Part of picture is cut off or picture is not

• Is the position adjustment appropriate?

• Adjust the IMAGE ADJUST properly.

centered.

 

 

 

 

 

Image is too large or too small.

• Is the screen size adjustment appropriate?

• Press the WIDE button on the remote control and

 

 

adjust properly.

 

 

 

Picture is unstable.

• Is the computer’s resolution setting appropriate?

• Set to the proper resolution.

 

 

 

POWER/STANDBY indicator is lighted in red.

• Horizontal and / or vertical sync signal is not

• Check the input signal.

 

present when the Intelligent Power Manager

 

 

control is on.

 

 

 

 

POWER/STANDBY indicator is blinking in

• The temperature inside the main unit has become

• Promptly switch off the power of the main unit and

red.

too high and has activated the protector.

wait until the internal temperature drops. See*1.

POWER/STANDBY indicator is blinking in

——————

• Prompty switch off the power of the main unit. See

green and red, or green.

*2.

 

 

 

 

*1 Overheat protector

If the monitor becomes too hot, the overheat protector 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 location and wait for the monitor to cool for 60 minutes. If the problem persists, contact your dealer.

*2 In the following case, power off the monitor immediately and contact your dealer or authorized 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, plasma display panel, temperature sensor, or one or more fans have been damaged.

Downloaded From TV-Manual.com Manuals

En-38

Page 38 Page 40
Image 39
Page 38 Page 40
Contents PlasmaSync Plasma Monitor User’s Manual Important Information PrecautionsDisposing of your used product Contents Ventilation Requirements for enclosure mounting InstallationRGB/DVD/HD signal Creating a video wallCable Management Handling the remote control Using the remote controlBattery Installation and Replacement Using the wired remote control modeFront View Turns the monitor’s power on and offReceives the signals from the remote control Part Names and FunctionConnection Example Connecting a TV tuner Rear View/ Terminal BoardInch Cb/Pb 51/61 inchRemote Control Basic Operations Wide Operations When viewing videos or digital video discs Picture Size setting Wide Screen Operation with Computer SignalsWhen Picture Size is set to OFF  Supported resolutionOperations in the Side-by-side mode Split Screen OperationsShowing a couple of pictures on the screen at the same time Zooming in on a specific input Operations in the Picture-in-picture modeSelecting the input signals to be displayed Adjusting the OSM controls Advanced menu mode Menu OperationsActual screen may be different from the ones in this manual Menu Tree ResetVideo Wall  Restoring the factory default settingsReducing noise in the picture Picture Settings MenuAdjusting the picture Setting the color temperatureChanging the Gamma Curve Adjusting the color to the desired levelMaking the Low Tone adjustments Adjusting the colorsAdjusting the Position, Size, Fine Picture, Picture Adj Audio Settings MenuImage Adjust Settings Menu Setting the allocation of the audio connectorsSetting the RGB1 connector Option1 Settings MenuSetting the on-screen menu Setting the BNC input connector typeSetting high definition images to the suitable screen size Setting the Input SkipResetting to the default values Setting the picture to suit the movie Option2 Settings MenuSetting the power management for computer images POWER/STANDBY indicatorSetting the time Orbiter settingsInverse Settings Orbiter Function settingsGray Level settings Setting the gray level for the sides of the screenSetting the screen size for S1/S2 video input Soft Focus settingsUsing the timer Option3 Settings MenuSetting the picture size for RGB input signals Setting the signal and black level for DVI signalSpecial characters in the Program Timer screen Program Timer settingsTo reset the program To reset the dataRemote ID setting Setting the power on modeEnabling/disabling remote control wireless transmission Loop Out settingVideo Wall setting ID number settingOn Delay settings DISP. Mode settingsAuto ID settings Image Adjust settingsPLE Link PLE Link settingsRepeat Timer settings Repeat TimerOption4 Settings Menu Displaying the entire image during Digital Zoom operationsDisplaying still images in the sub screen Displaying the information as a text Switching the input source quicklySource Information Menu Advanced OSM Settings MenuLanguage Settings Menu Color System Settings MenuPin Assignments External ControlSymptom Checks Remedy TroubleshootingTable of Signals Supported Supported resolution 42XM4Computer input signals supported by this system Full CVT standard compliantTrue Full DVI Supported resolution 50XM5/61XM4True Full 42XM4 Specifications50XM5 61XM4
Top Page Image Contents