NEC 61XM3 user manual Troubleshooting, Symptom Checks Remedy

Page 40

Troubleshooting

CONFIDENTIAL

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

Symptom

Checks

Remedy

Mechanical sound is heard.

• Maybe the sound from the cooling fans used to prevent over heating.

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.

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Contents PlasmaSync Plasma Monitor HD/DVD/DTV input signals supported on this system SignalsTable of Signals Supported Supported resolutionImportant Information English Deutsch Français Español Italiano Precautions Important InformationContents Installation Ventilation Requirements for enclosure mountingVideo signal RGB/DVD/HD signal Creating a video wallCable Management CablesHow to use the remote control Battery Installation and ReplacementUsing the wired remote control mode Handling the remote controlPart Names and Function Front ViewRear View/ Terminal Board Remote Control Basic Operations When viewing videos or digital video discs Wide OperationsWhen Picture Size is set to OFF  Supported resolution Picture Size setting TrueSplit Screen Operations Operations in the Side-by-side modeShowing a couple of pictures on the screen at the same time Operations in the Picture-in-picture mode Selecting the input signals to be displayedAdjusting the OSM controls Zooming up pictures Advanced menu mode Menu OperationsReset Menu Tree Restoring the factory default settings LanguagePicture Settings Menu Adjusting the pictureSetting the color temperature Reducing noise in the pictureAdjusting the color to the desired level Making the Low Tone adjustmentsAdjusting the colors Changing the Gamma CurveAudio Settings Menu Image Adjust Settings MenuSetting the allocation of the audio connectors Adjusting the Position, Size, Fine Picture, Picture AdjOption1 Settings Menu Setting the on-screen menuSetting the BNC connectors Setting the RGB1 connectorResetting to the default values Setting the Input SkipSetting high definition images to the suitable screen size Option2 Settings Menu Setting the power management for computer imagesSetting the picture to suit the movie POWER/STANDBY indicatorOrbiter settings Inverse SettingsOrbiter Function settings Setting the timeSetting the gray level for the sides of the screen Setting the screen size for S1/S2 video inputSoft Focus settings Gray Level settingsOption3 Settings Menu Setting the picture size for RGB input signalsSetting the signal and black level for DVI signal Using the timerProgram Timer settings To reset the programTo reset the data Special characters in the Program Timer screenSetting the power on mode Enabling/disabling remote control wireless transmissionLoop Out setting Enabling/disabling the front panel controlsID number setting Video Wall settingDISP. Mode settings Auto ID settingsImage Adjust settings On Delay settingsPLE Link settings Repeat Timer settingsRepeat Timer PLE LinkOption4 Settings Menu Erasing the sub screen image when there isNo input signal Displaying still images in the sub screenAdvanced OSM Settings Menu Language Settings MenuSwitching the input source quickly Setting the menu modeColor System Settings Menu Setting the video signal formatExample Setting the color system to 3.58 Ntsc Video signal formatsExternal Control Pin AssignmentsTroubleshooting Symptom Checks Remedy

61XM3 specifications

The NEC 61XM3 is a state-of-the-art multimedia projector designed for professional and corporate environments, offering a blend of advanced features and cutting-edge technology. This projector is particularly known for its excellent image quality, robust performance, and user-friendly interface, making it a preferred choice for presentations in various settings, from classrooms to large conference halls.

One of the standout features of the NEC 61XM3 is its impressive brightness. With a high lumen output, it ensures that images remain sharp and clear even in brightly-lit rooms. This capability is critical for engagement during presentations, as it allows the audience to view content without straining their eyes. Coupled with its high contrast ratio, the NEC 61XM3 delivers vivid colors and deep blacks, enhancing the overall viewing experience.

The projector is equipped with advanced DLP (Digital Light Processing) technology, which is known for its reliability and superior image quality. This technology minimizes color distortion, enabling the NEC 61XM3 to produce more accurate and lifelike images, essential for sharp graphics and detailed presentations. The projector can handle a variety of media formats, making it versatile for different presentations or multimedia content.

Another key characteristic of the NEC 61XM3 is its connectivity options. It comes with multiple input ports, including HDMI, VGA, and USB, allowing easy connection to a variety of devices such as laptops, tablets, and media players. Additionally, the projector supports wireless connectivity, making it convenient for users who prefer to project content without the hassle of cables. This feature is particularly beneficial for collaborative environments where multiple users may want to share their screens.

For ease of use and adaptability, the NEC 61XM3 includes various installation features that simplify setup. The lens shift and zoom capabilities allow flexibility in projector placement, enabling users to position the unit according to the specific needs of the room. This flexibility is crucial in professional settings where space may be limited.

Furthermore, the NEC 61XM3 is designed with longevity in mind. It incorporates an eco-friendly lamp that not only prolongs the life of the projector but also reduces energy consumption. This commitment to sustainability makes the projector a smart choice for organizations looking to minimize their environmental impact.

In summary, the NEC 61XM3 stands out as a high-performance multimedia projector that combines advanced imaging technologies with ease of use and adaptability. Its impressive brightness, robust connectivity options, and focus on user experience make it an excellent choice for a variety of professional applications. Whether for corporate meetings, educational purposes, or public presentations, the NEC 61XM3 is equipped to deliver exceptional performance and reliability.
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