NEC PlasmaSync 42XM4 PX-42XM4G User Manual

Contents

NEC PlasmaSync 42XM4 PX-42XM4G User Manual Manual pdf 39 page image

En-38If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting service.Troubleshooting*1 Overheat protectorIf 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 monitorand 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 monitorto 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, plasmadisplay panel, temperature sensor, or one or more fans have been damaged.Remedy• If there are no abnormalities in the image and sound,the noise is caused by the cabinet reacting tochanges in temperature. This will not affectperformance.• Leave some space between the display and theconnected components.• Replace both batteries with new ones.• Set IR REMOTE OFF on OPTION3 menu.• Set an ID number with the ID SELECT button, or setthe ID number to ALL.• Plug the monitor’s power cord into a power outlet.• Press the power button on the monitor to turn on thepower.• Replace both batteries with new ones.• Set IR REMOTE ON.• Set an ID number with the ID SELECT button, or setthe ID number to ALL.• Point the remote control at the monitor’s remotecontrol sensor when pressing buttons, or remove theobstacle.• Eliminate the light by closing curtains, pointing thelight in a different direction, etc.• Replace both batteries with new ones.• Unplug the remote cable from the monitor.• Set the Control Lock to OFF.• Plug the monitor’s power cord into a power outlet.• Increase the volume.• Press the remote control’s MUTE button.• Connect the speakers properly.• Set AUDIO INPUT on the AUDIO menu correctly.• Adjust picture control as needed.Try another location for the monitor.Be sure all connections are secure.• Adjust picture controls as needed.Check pin assignments and connections.• Adjust the tint and color (under PICTURE).• Turn on the computer’s power.• Connect source to the monitor.• Operate the computer (move the mouse, etc.).• Set LOOP OUT OFF.• Adjust the IMAGE ADJUST properly.• Press the WIDE button on the remote control andadjust properly.• Set to the proper resolution.• Check the input signal.• Promptly switch off the power of the main unit andwait until the internal temperature drops. See*1.• Prompty switch off the power of the main unit. See*2.SymptomThe unit emits a crackling sound.Picture is disturbed.Sound is noisy.Remote control operates erroneously.The remote control does not work.Monitor’s power does not turn on when theremote control’s power button is pressed.Monitor does not operate when the remotecontrol’s buttons are pressed.The front panel buttons of the main unit donot function.No sound or picture is produced.Picture appears but no sound is produced.Poor picture with VIDEO signal input.Poor picture with RGB signal input.Tint is poor or colors are weak.Nothing appears on screen.Part of picture is cut off or picture is notcentered.Image is too large or too small.Picture is unstable.POWER/STANDBY indicator is lighted in red.POWER/STANDBY indicator is blinking inred.POWER/STANDBY indicator is blinking ingreen and red, or green.Checks• Are the image and sound normal?• Is a connected component set directly in front or atthe side of the display?• Are the remote control’s batteries worn out?• Is IR REMOTE set to ON?• Has an ID number been set for the main unit?• Is the monitor’s power cord plugged into a poweroutlet?• Are all the monitor’s indicators off?• Are the remote control’s batteries worn out?• Is IR REMOTE set to OFF?• Has an ID number been set for the main unit?• Is the remote control pointed at the monitor, or isthere an obstacle between the remote control andthe monitor?• Is direct sunlight or strong artificial light shining onthe monitor’s remote control sensor?• Are the remote control’s batteries worn out?• The remote cable is plugged into the REMOTE INterminal (Wired).• The front panel buttons do not function duringControl Lock.• Is the monitor’s power cord plugged into a poweroutlet?• Is the volume set at the minimum?• Is the mute mode set?• Are the speakers properly connected?• Is AUDIO INPUT set correctly?• Improper control setting.Local interference.Cable interconnections.Input impedance is not correct level.• Improper control setting.Incorrect 15 PIN connector pin connections.• Are the tint and colors properly adjusted?• Is the computer’s power turned on?• Is a source connected?• Is the power management function in the standbyor off mode?• Is LOOP OUT set to ON?• Is the position adjustment appropriate?• Is the screen size adjustment appropriate?• Is the computer’s resolution setting appropriate?• Horizontal and / or vertical sync signal is notpresent when the Intelligent Power Managercontrol is on.• The temperature inside the main unit has becometoo high and has activated the protector.——————