NEC PX-61XM1A 61MP1 - Page 61

Troubleshooting

Page 61 highlights

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 operates erroneously. The remote control does not work. • Are the remote control's batteries worn out? • Replace both batteries with new ones. Monitor's power does not turn on when the remote control's power button is pressed. • Is the monitor's power cord plugged into a power outlet? • Are all the monitor's indicators off? • Plug the monitor's power cord into a power outlet. • 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. Monitor does not operate when the • Is the remote control pointed at the remote control's buttons are pressed. monitor, or is there an obstacle between the remote control and the monitor? • Point the remote control at the monitor's remote control sensor when pressing buttons, or remove the obstacle. • Is direct sunlight or strong artificial light shining on the monitor's remote control sensor? • Eliminate the light by closing curtains, pointing the 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 terminal (Wired). • Unplung the remote cable from the monitor. • The front panel buttons of the main unit • The front panel buttons do not function do not function. during Control Lock. No sound or picture is produced. • Is the monitor's power cord plugged into a • Plug the monitor's power cord into a power power outlet? outlet. Picture appears but no sound is produced. • Is the volume set at the minimum? • Is the mute mode set? • Increase the volume. • 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 OPTION menu correctly. Poor picture with VIDEO signal input. • Improper control setting. Local interference. Cable interconnections. Input impedance is not correct level. • Adjust picture control as needed. Try another location for the monitor. Be sure all connections are secure. Poor picture with RGB signal input. • Improper control setting. Incorrect 15 PIN connector pin connections. • Adjust picture controls as needed. 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 • 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 "SCREEN" properly. not 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 orange or red. • Horizontal and / or vertical sync signal is • Check the input signal. not present when the Intelligent Power Manager control is on. POWER/STANDBY indicator is blinking in red. • The temperature inside the main unit has • Promptly switch off the power of the main become too high and has activated the unit and wait until the internal temperature protector. drops. See*1. POWER/STANDBY indicator is blinking in green and red, or green. ------ • Prompty switch off the power of the main unit. See *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 NEC dealer for service. *2 In the following case, power off the monitor immediately and contact your dealer or authorized NEC 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 or plasma display panel or, one or more fans have been damaged. 54

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54
Symptom
Picture is disturbed.
Sound is noisy.
Remote control operates erroneously.
The remote control does not work.
Monitor
s power does not turn on
when the remote control
s power
button is pressed.
Monitor does not operate when the
remote control
s buttons are pressed.
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
not centered.
Image is too large or too small.
Picture is unstable.
POWER/STANDBY indicator is
lighted in orange or red.
POWER/STANDBY indicator is
blinking in red.
POWER/STANDBY indicator is
blinking in green and red, or green.
Checks
Is a connected component set directly in
front or at the side of the display?
Are the remote control
s batteries worn
out?
Is the monitor
s power cord plugged into
a power outlet?
Are all the monitor
s indicators off?
Are the remote control
s batteries worn
out?
Is the remote control pointed at the
monitor, or is there an obstacle between
the remote control and the monitor?
Is direct sunlight or strong artificial light
shining on the monitor
s remote control
sensor?
Are the remote control
s batteries worn
out?
The remote cable is plugged into the
REMOTE IN terminal (Wired).
The front panel buttons of the main unit
do not function.
Is the monitor
s power cord plugged into a
power outlet?
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
standby or off mode?
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
not present when the Intelligent Power
Manager control is on.
The temperature inside the main unit has
become too high and has activated the
protector.
——————
Remedy
Leave some space between the display and
the connected components.
Replace both batteries with new ones.
Plug the monitor
s power cord into a power
outlet.
Press the power button on the monitor to
turn on the power.
Replace both batteries with new ones.
Point the remote control at the monitor
s
remote control sensor when pressing
buttons, or remove the obstacle.
Eliminate the light by closing curtains,
pointing the light in a different direction, etc.
Replace both batteries with new ones.
Unplung the remote cable from the monitor.
The front panel buttons do not function
during Control Lock.
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 OPTION 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.).
Adjust the
SCREEN
properly.
Press the
WIDE
button on the remote
control and adjust properly.
Set to the proper resolution.
Check the input signal.
Promptly switch off the power of the main
unit and wait until the internal temperature
drops. See*1.
Prompty switch off the power of the main
unit. See *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 NEC dealer for service.
*2 In the following case, power off the monitor immediately and contact your dealer or authorized NEC 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 or plasma
display panel or, one or more fans have been damaged.
If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting service.
Troubleshooting