Mitsubishi Electronics HC910 Troubleshooting, EN-32, No image appears on the screen, Problem

Page 32
Troubleshooting

Troubleshooting

Before asking for repair of the projector, check the following. If the symptom persists, stop using the projector, be sure to unplug the power plug, and then contact your dealer.

No image appears on the screen.

Problem

Solution

 

 

 

 

 

 

 

 

 

 

Power can not be

• Check whether the indicators are on or off and how they are lightning.

turned on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER

STATUS

 

Solution

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Connect the power cord to the projector.

 

Off

Off

•

Plug the power cord into a wall outlet.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

If any objects are blocking the air inlet or outlet grille, remove them and carry

 

 

 

 

 

 

 

 

 

 

 

 

 

out the following.

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Unplug the power cord from the wall outlet.

 

 

 

 

 

Off

 

2. Make sure that the projector has cooled off.

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Plug the power cord into the wall outlet.

 

 

 

 

 

 

 

 

 

 

 

 

 

4. Press the POWER button.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

If any objects are blocking the air inlet or outlet grille, remove them.

 

 

 

 

 

 

 

 

 

 

 

 

•

Don't expose the air outlet grilles to hot air emitted from a heating appliance.

 

Steady red

Blinking

 

 

 

 

 

 

 

 

 

orange

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

After the STATUS indicator stops blinking, press the POWER button.

 

 

 

 

 

Blinking

 

• If you unplug the power cord while the fan is rotating, the lamp may not turn on about one minute when

 

 

 

 

 

 

you plug the power cord next time.

 

 

 

 

 

green

 

• The lamp can't turn on again for one minute after it goes out.

 

 

 

 

 

 

 

 

 

 

 

 

•

Press the POWER button several times.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Replace the lamp. (The lamp is at the end of its life.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Steady red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Attach the lamp cover on the bottom.

 

 

 

 

 

 

 

 

 

 

Off

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

•

Unplug the power cord from the wall outlet and contact your dealer.

 

 

 

 

 

 

red / green

Steady

 

 

 

 

 

 

 

 

 

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No image appears on

• Check that the lens cap is removed.

the screen.

• It may take about one minute for the lamp to light up.

•The lamp fails to light up on rare occasions. In such a case, wait for a few minutes and then try again.

•If the projector was turned off before the lamp was cooled down sufficiently last time, the fan may start rotating and the POWER button may not work after the power cord is plugged. After the fan stops rotating, press the POWER button to turn back on the POWER indicator.

•Check that the intake vent is clean.

•Check that the lamp cover is closed. (See Page 31.)

•Check that the cables connected to the external devices are not broken.

•When an extension cable is being used, replace it with the supplied cable for check. When images are displayed correctly, add an RGB signal amplifier to the extension cable.

Projected images

• This problem may occur when the intake vent and/or exhaust vents are blocked. (In

suddenly disappear.

such a case, the STATUS indicator brinks orange.)

 

￿ Remove the objects blocking the intake vent and/or exhaust vents and then carry

 

 

out the following procedure.

 

1.

Wait for the intake fan and/or exhaust fan to stop. (Wait until the STATUS

 

 

indicator goes out.)

 

2.

Unplug the power cord from the wall outlet.

 

3.

Wait about 10 minutes.

 

4.

Plug the power cord into the wall outlet.

 

5.

Press the POWER button.

 

• When the STATUS indicator is steady red, it is indicating that the lamp should be

 

replaced. Replace the lamp in this case.

EN-32

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Contents MODEL HC910HC910 User ManualSHOCK, DO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNELWhen using the projector in Europe COMPLIANCE NOTICE CAUTION TO REDUCE THE RISK OF ELECTRICTrademark, Registered trademark ContentsDeclaration of Conformity Important safeguards EN-4Do not look into the lens when it is operating. It may hurt your eyes Do not look into the air outlet grille when projector is operatingPlace of installation Unplug immediately if there is something wrong with your projectorChecking accessories Inserting the batteries into the remote controlPreparing your projector Power supply partsOverview Control areaTerminal panel 5 Remote control sensor Front 6 Air inlet grille 7 Air outlet grilleRemote control Using the picture quality adjusting buttonsPreparating your projector Continue Bottom sideUsing the remote control Operational range of the remote controlReception angle Front of projectorSetting up your projector Setting up the screenBasic setup Adjusting the projection angleEN-11 When the aspect ratio of the screen isScreen size and projection distance A. Connecting the projector to video equipment Viewing video imagesBasic home theater system connection PreparationConnecting to a video player, etc Connecting to a DVD playerWhen a TV tuner or VCR is connected EN-13Viewing video images continued B. Plugging in the power cordConnecting to video equipment having a DVI-D terminal C. Projecting images EN-15When projected images are distorted to a trapezoid To stop projectingIRIS button With the INSTALLATION menuSetting the aspect ratio How to change the settingsWith the remote control With the FEATURE menuA. Connecting the projector to a computer B. Plugging the power cordViewing computer images For analog connectionC. Projecting images EN-19When connecting to a notebook computer Viewing computer images continuedAUTO POSITION button Example of the setting procedure for external outputHow to set the menus Menu operationAvailable settings in the menus Menu operation continued2. INSTALLATION menu 1. IMAGE menu3. FEATURE menu 4. SIGNAL menuEN-23 AUTOAdjusting projected images To adjust the brightness CONTRAST and BRIGHTNESSTo adjust the color COLOR and TINT To sharpen or soften the projected image SHARPNESSTo adjust the tone of white COLOR TEMP To adjust the tone of white To customize the color temperatureAbout color temperature AV MEMORYAdjusting projected images continued How to adjust the image supplied from the computer using the menuSimple method to adjust the image position To adjust the horizontal positionAdvanced features Password functionTo enable the password function To cancel the password functionTo view images projected on the translucent screen from behind Asking for installationDimension Drawings unit mm Using filter InstallationCleaning Cleaning the filterEN-30 Replacing the lampInterval of lamp replacement Maintenance Cleaning of the projector and the ventilation slotsCleaning of the lens To replace the lampTroubleshooting ProblemSolution EN-32No image appears on the screen. Continued Images are not displayed correctlyOthers Troubleshooting continuedKensington Lock Abnormal condition IndicatorsNormal condition Replacement part Option / Not included in the box SpecificationsEN-37 ConnectorsSpecification of RGB signals in each computer mode of the projector MITSUBISHI Projector Contact Information MITSUBISHI ELECTRIC CORPORATION871D420A70 Printed in Japan
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