Mitsubishi Electronics XD480U user manual Troubleshooting, Images arent projected correctly

Page 28

Troubleshooting (continued)

Images aren't projected correctly.

Problem

Cause and 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 dis-

• Press the AUTO POSITION button.

placed.

• Some computers output out-of-spec signals on rare occasion. Adjust the SIGNAL menu. (See page

 

 

20.)

 

 

Projected images are dis-

• Adjust the projector and the screen so that they are perpendicular to each other. (See page 13.)

torted.

 

 

 

 

Projected images are dark.

• Adjust BRIGHTNESS in the IMAGE menu. (See page 19.)

 

• Replace the lamp. (See page 26.)

 

 

Projected images are

• Adjust the focus. (See page 14.)

blurred.

Clean the lens.

 

• Press the ￿ or ￿ button on the remote control to eliminate flicker.

 

• Adjust BRIGHTNESS and CONTRAST in the IMAGE menu. (See page 19.)

 

• Adjust the projector and the screen so that they are perpendicular to each other. (See page 13.)

 

 

White dots are seen on

• This symptom is normal for a DLP projector and is not a malfunction. (A very small number of pixels

projected images.

 

may stay lit or out, but such sympton is not a malfunction. Pixels of 99.99% or more are effective.)

Black dots are seen on

 

 

projected images.

 

 

 

 

Rainbow blur appears in

• Such blur appears based the principle of the DLP system. It isn't a failure.

projected images.

 

 

 

 

Fine streak pattern ap-

• It occurs because of interference with the screen and isn't a product malfunction. Change the screen

pears in projected images.

 

or readjust the focus of the projector.

 

 

Projected images (and/or

• Connect the cable's plug with the external device's connector firmly.

audio) appear wavy and

• Keep the projector away from equipment generating interfering radio waves.

distorted.

• When the keystone adjustment is carried out, the image may not be displayed correctly because of

 

 

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.

 

 

Tint in projected images is

• Check that COMPUTER INPUT in the SIGNAL menu is correctly set. (See page 18.)

incorrect.

• Check that the cable connected to the external device isn't broken.

 

 

Only the motion areas in

• This is caused by the computer being used. Contact the manufacturer of your computer.

the images supplied from

 

 

the computer aren't dis-

 

 

played.

 

 

 

 

 

Projected images are ob-

Match the output resolution of your computer with the resolution of the projector. For the method to

scured.

 

change the output resolution of the computer, contact the manufacturer of your computer. (See page

 

 

33.)

 

• Some images and texts appear obscured during the keystone adjustment. In such cases, use the

 

 

projector without applying the keystone adjustment. (See page 13.)

 

 

 

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Image 28
Contents XD480 XD450 XD400 When using the projector in Europe Risk of Electric Shock Do not OpenContents Important safeguards Do not keep using the damaged projector Do not look into the lens when the projector is oper- atingPlace of installation Never remove the cabinet Do not modify the projectorControl panel OverviewTerminal board Bottom side Remote control Adjustment foot Front Lamp cover Adjustment feet RearHow to disable the Laser button How to enable the Laser buttonRemote control Battery installationOperation range of the remote control Reception angle verticalInstallation Layout of the projectorRear projection Front projectionBasic connections Projector + AV deviceProjector + DVD player or Hdtv decoder VCR, etcCOMPUTER/COMPONENT Video DVI-D Hdcp IN-2 Basic connections Projector + ComputerFor Macintosh About DDCAdjustment of the projection angle After using the projectorPreparation Preparation for projectionPower-on Basic operationPower-off Volume from the speakerAnamorphic mode Auto Position buttonMenu operation Basic operationProjector is in the stand-by mode when the lamp is Off. Use the remote control to turn on the lampStand-by mode when there is no signal input from SourceSignal User No need to adjust in normal use Menu operationImage adjustment Image adjustmentColor temperature About color temperatureAdjustment of the image from the computer Image adjustmentSimple adjustment method Advanced features ExpandPicture in Picture PinP StillAdvanced features Setting of the image displayed during startup or mutingHow to install Installation other devices remote commandsHow to use the installed functions Mouse remote control Projector + computer with USB connectorOperation USBPassword function To cancel the password functionTo enable the password function FunctionLamp replacement Interval of lamp replacementProblem Cause and solution TroubleshootingImages arent projected on the screen Troubleshooting Images arent projected correctlyCleaning of the lens Cleaning of the projector and the ventilation slotsOthers Indicators ConditionSpecifications Kensington LockSpecifications CD-ROMCGA70 Mitsubishi Electric Corporation