Mitsubishi Electronics HC1500 Troubleshooting, No image appears on the screen Problem Solution

Page 34

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 enable the

the password appears.

 

password lock.

 

 

Enter the password or contact the person in charge of management of the

 

 

projector. (See page 30.)

 

 

“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 31.)

Projected images are

• Adjust the focus. (See pages 17 and 21.)

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.)

 

 

White dots are seen

• This symptom is normal for a DLPTM projector and is not a malfunction. (A very small

on projected images.

 

number of pixels may stay lit or out, but such symptom is not a malfunction. Pixels of

Black dots are seen on

 

99.99% or more are effective.)

projected images.

 

 

 

 

Rainbow effect is seen

• This is due to color breaking noise that occurs in a DLPTM system and is not a

on projected images.

 

malfunction.

 

 

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.

 

 

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-34

Image 34
Contents HC1500 Risk of Electric Shock Do not Open Contents Important safeguards Important safeguards Inserting the batteries into the remote control Checking accessoriesPreparing your projector Overview Preparing your projectorControl area Terminal panel Adjustment foot Front Lamp cover Adjustment feet Rear Remote controlUsing the picture quality adjusting buttons Bottom sideReception angle Using the remote controlOperational range of the remote control Front of projector Rear of projectorBasic setup Setting up your projectorSetting up the screen Adjusting the projection angleTo cancel the menu Setting up your projectorWith the Installation menu Trigger terminalWhen the aspect ratio of the image is When the aspect ratio of the screen isScreen size and projection distance Basic home theater system connection Connecting the projector to video equipmentViewing video images PreparationWhen a TV tuner or VCR is connected Connecting to a video player, etcConnecting to a DVD player or Hdtv decoder Viewing video imagesConnection for video equipment having an Hdmi terminal Connection for video equipment having a DVI-D terminalPlugging in the power cord Projecting images To stop projecting When projected images are distorted to a trapezoidFollowing cases With the remote control Setting the aspect ratioHow to change the settings With the Feature menuViewing computer images Connecting the projector to a computerPlugging the power cord For analog connectionViewing computer images Projecting imagesExample of the setting procedure for external output When connecting to a notebook computerAuto Position button Menu operation Menu operation How to set the menusAvailable settings in the menus Image menuInstallation menu Feature menuTo enable the stored image quality settings Signal menuTo store the settings AV memoryTo adjust the color Color and Tint Adjusting projected imagesTo adjust the brightness Contrast and Brightness To sharpen or soften the projected image SharpnessAbout color temperature Adjusting projected imagesTo adjust the tone of white Color Temp To adjust the ratio of change in brightness Gamma ModeTo adjust the vertical position LPFTo enable the password function Advanced featuresPassword function To cancel the password functionInterval of lamp replacement Replacing the lampReset of the lamp operation time Cleaning of the projector and the ventilation slotsCleaning of the lens Replacing the lampNo image appears on the screen Problem TroubleshootingSolution Problem Solution TroubleshootingNo image appears on the screen Problem Solution Images are not displayed correctlyImages are not displayed correctly Problem Solution Others Problem SolutionNormal condition IndicatorsPower Status Condition Possible Solution Abnormal conditionDimension drawings unit mm SpecificationsSpecifications ConnectorsReplacement part Option/not included in the box VLT-HC910LPMitsubishi Projector Contact Information