Mitsubishi Electronics XL650U Troubleshooting, EN-40, Images are not displayed correctly

Page 40

Troubleshooting (continued)

No image appears on the screen. (continued)

Problem	Solution
The screen for entering	• PASSWORD FUNCTION in the FEATURE menu has been set to DISPLAY INPUT to
the password appears.	enable the password lock.
	Enter the password or contact the person in charge of management of the projec-
	tor. (See page 31.)

“NO SIGNAL” is	• Turn on the power of the connected device, or check whether there is something
displayed.	wrong with the connected device.
	• Check whether the external device output signals. (Check this especially when the
	external device is a notebook computer.)
	• Check that the cable connected to the external device isn’t defective.
	• Check that the projector is connected to the external device using the correct
	terminals.
	• Check that the connected device is correctly selected as the input source.
	• When an extension cord is being used, replace it with the supplied cable and check
	whether images are projected correctly. If images are projected correctly, use an RGB
	signal ampliﬁer along with the extension cord.

Images are not displayed correctly.
Problem	Solution
Projected images are	• Check that the cable connected to the external device isn’t intermittent.
shaking.	• Connect the cable’s plug with the external device’s connector ﬁrmly.
Projected images are	• Press the AUTO POSITION button.
displaced.	• Some computers output out-of-spec signals on rare occasion. Adjust the SIGNAL
	menu. (See page 29.)
Projected images are	• Adjust the projector and the screen so that they are perpendicular to each other. (See
distorted.	page 10.)
Projected images are	• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 27.)
dark.	• Replace the lamp. (See page 36.)
Projected images are	• Adjust the focus. (See pages 15 and 19.)
blurred.	• Clean the lens.
	• Press the or button on the remote control to eliminate ﬂicker.
	• Adjust TRACKING and FINE SYNC. in the SIGNAL menu. (See page 29.)
	• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 27.)
	• Adjust the projector and the screen so that they are perpendicular to each other. (See
	page 10.)
Afterimages persist on	• This phenomenon is improved by keeping projecting an evenly bright image. (Such
the screen.	"image burn-in" phenomenon where afterimages persist on the screen may occur if a
	stationary image is kept displayed on the screen for a long time.)
Red, blue, and	• This phenomenon is unique to LCD projector and isn’t a product malfunction.
green dots appear in	(A small number of pixels always stay on or off, which are not malfunctions. More than
projected images.	99.99% of the pixels are effective.)
Black dots appear in
projected images.
Fine streaks are seen	• This is due to interference with the screen surface and is not a malfunction. Replace
on projected images.	the screen or displace the focus a little.
	• Vertical or horizontal streak noise may appear on the projected image, depending on
	the type of the DVD player or game console you use. In such a case, you can reduce
	such streak noise by enabling the LPF.
Projected images	• Connect the plugs of the cables to external devices securely.
become wavy.	• Keep the projector away from devices that emit interfering radio waves.
	• When the keystone adjustment is carried out, the image may not be displayed
	correctly depending on the type of input signal. This isn’t a product malfunction. In
	this case, readjust the keystone so that the amount of keystone correction is as small
	as possible.
Hue is not appropriate.	• Check that the cables connected to the external devices are not broken.

Tint in projected	• Check that COMPUTER INPUT in the SIGNAL menu is correctly set. (See page 26.)
images is incorrect.	• Check that the cable connected to the external device isn’t broken.
Different color tint.	• When comparing images projected by two projectors, tints in the displayed images
	may be different because of variation between their optical components. This is not a
	malfunction.
	• When comparing the image projected by this projector with those displayed on the
	television or PC monitor, tints in the displayed images may be different because of
	difference in the range of color reproducibility. This is not a malfunction.

EN-40

Image 40

Contents XL650 XL550 When using the projector in Europe EN-2Contents Important safeguards EN-4Do not keep using the damaged projector Do not look into the lens when it is operatingDo not unplug the power cord during op- eration Place of installationInserting the batteries into the remote control Checking accessoriesPreparing your projector Overview Control areaTerminal board EN-7Remote control Preparating your projectorBottom side EN-8Using the remote control Operational range of the remote controlReception angle EN-9Setting up your projector Setting up the screenBasic setup Adjusting the projection angleWall screen EN-11Front projection, ceiling mounting Rear projectionSetting up your projector When the aspect ratio of the screen isScreen size and projection distance EN-12Viewing computer images Connecting the projector to a computerEN-13 Plugging the power cord Viewing computer imagesEN-14 About DDCProjecting images EN-15When connecting to a notebook computer To stop projectingAV mute Auto Position buttonConnecting the projector to video equipment Connecting to a video player, etcWhen a TV tuner or VCR is connected Viewing video imagesPlugging in the power cord Connecting To video equipment having a DVI-D terminalViewing video images Projector + DVD player or Hdtv decoderProjecting images EN-19Volume from the speaker EN-20Setting the aspect ratio How to change the settingsWhen projected images are distorted to a trapezoid EN-21Menu operation EN-22Available settings in the menus How to set the menusEN-23 EN-24 EN-25 Menu operation EN-26Adjusting projected images To adjust the brightness Contrast and BrightnessTo adjust the color Color and Tint To sharpen or soften the projected image SharpnessAdjusting projected images To adjust the tone of white Color TempAbout color temperature Color EnhancerEN-29 To adjust the vertical positionLPF Progressive ﬁlter Advanced features Setting of the image displayed during startup or mutingEN-30 XL650UPassword function To enable the password functionTo cancel the password function EN-31Advanced features EN-32Expand Picture in Picture PinPEN-33 Mouse remote controlOperation Supervising and controlling by computer EN-34Major functions ConnectionIndicators Normal conditionAbnormal condition EN-35Replacing the lamp Interval of lamp replacementEN-36 Reset of the lamp operation time When removing the lamp from the ceiling-mounted projectorTo replace the lamp EN-37Maintenance Cleaning of the air-ﬁlterCleaning of the projector and the ventilation slots Cleaning of the lensNo image appears on the screen Problem Solution TroubleshootingEN-39 Troubleshooting Problem SolutionEN-40 Images are not displayed correctlyImages are not displayed correctly Problem Solution Others Problem SolutionEN-41 Kensington LockSpeciﬁcations Replacement part Option/Not included in the boxEN-42 EN-43 XGA85EN-44 ConnectorsCOMPUTER/COMPONENT Video IN-1/IN-2 DVI-D Hdcp Mitsubishi Projector Contact Information