Mitsubishi Electronics HC3900 Troubleshooting, No image appears on the screen Problem Solution

Page 40

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 grill, re move them and carry out the

 

 

 

 

 

 

 

 

following.

 

 

 

 

Off

1.

Unplug the power cord from the wall outlet.

 

 

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

Blinking

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

 

Steady red

orange

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

Blinking

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.

 

 

 

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

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

 

Blinking

Steady

 

 

 

or

 

red/green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

Set SCART INPUT in the FEATURE menu to OFF. (See page 28.)

Check that the lamp cover is closed. (See page 37.)

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.

Check the operation manual of the video device for its connection.

Power turns off.

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

 

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.)

 

. Unplug the power cord from the wall outlet.

 

. Wait at least 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.

 

• Check that AUTO POWER OFF has been set to OFF.

 

• If the lamp has deteriorated, it may go out after a while it illuminates.

EN-40

Image 40
Contents HC3900 When using the projector in Europe Risk of Electric Shock Do not OpenContents Important safeguards Important safeguards Inserting the batteries into the remote control Removing the batteries from the remote controlPreparing your projector What’s included in the boxPreparing your projector OverviewControl panel Terminal panelUsing the picture quality adjusting buttons Remote controlBottom side Operational range of the remote control Using the remote controlReception angle Setting up your projector Setting up the screenWhen the aspect ratio of the screen is Screen size and projection distanceWhen the aspect ratio of the screen is 2.351 CinemaScope Setting up your projectorWhen the aspect ratio of the image is When fine streaks are seen on projected images When projected images are distorted to a trapezoidWith the Installation menu See page 26 for menu setting To cancel the menuInstallation Front projection, ceiling mountingRear projection Trigger terminalConnecting the projector to video equipment Viewing video imagesBasic home theater system connection PreparationConnecting to a video player, etc Connecting to a DVD player or Hdtv decoderWhen a TV tuner or VCR is connected Viewing video imagesConnecting to video equipment having a Hdmi terminal Connection for video equipment having an Hdmi terminalPlugging in the power cord Projecting images To stop projecting Setting the aspect ratio ZOOM1 ZOOM2 Stretch ANAMORPHIC1 ANAMORPHIC2With the remote control How to change the settingsWith the Feature menu See page 26 for menu setting Connecting the projector to a computer Plugging the power cordViewing computer images About DDCViewing computer images ComputerWhen connecting to a notebook computer Setting of the resolutionExample of the setting procedure for external output Auto Position buttonKeystone Lamp Mode Menu operationHow to set the menus Available settings in the menusSetting Function Menu operationInstallation menu Feature menu Signal menu User menuTo store the settings To enable the stored image quality settingsAV memory Information menuAdjusting projected images To adjust the brightness Contrast and BrightnessTo adjust the color Color and Tint How to Use BrilliantColorTMAdjusting projected images To adjust the tone of white Color TempAbout color temperature To enable the stored color temperatureHow to Use Color Management To adjust the ratio of change in brightness Gamma ModeBlue Magenta RED HighTo adjust the vertical position To enable the stored gamma modeLPF Progressive filter Advanced features Password functionTo enable the password function To cancel the password functionInterval of lamp replacement Replacing the lampReplacing the lamp When the projector is mounted to the ceilingTo replace the lamp Reset of the lamp operation time Cleaning of the projector and the ventilation slots MaintenanceCleaning of the lens Troubleshooting No image appears on the screen Problem SolutionTroubleshooting Images are not displayed correctly Problem SolutionOthers Problem Solution EN-43 Indicators Status Condition Possible SolutionNormal condition Abnormal conditionSpecifications Dimension drawings unit mmSpecifications Connectors Replacement part option/not included in the boxComputer IN/COMPONENT Video VLT-HC3800LPMitsubishi Electric Corporation