Mitsubishi Electronics EX53U Troubleshooting, No image appears on the screen, Problem, Solution

Page 42
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

 

 

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

 

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

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

 

 

 

 

 

 

 

 

 

 

 

Power can not be turned on.

 

 

 

 

 

 

 

orange

 

 

 

Steady red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

minute when you plug the power cord next time.

 

 

 

 

 

 

 

 

 

The lamp can't turn on again for 1 minute after it goes out.

 

 

 

 

 

 

 

 

 

green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 top.

 

 

 

 

 

 

 

 

 

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking red

 

Steady

 

 

 

 

/ green

 

 

 

or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Cancel the AV mute by pressing the AV MUTE button.

 

• Check that the lens cap is removed.

 

• It may take about 1 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 rotat-

 

ing and the POWER button may not work after the power cord is plugged. After the fan stops rotating, press

No image appears on the screen.

the POWER button to turn back on the POWER indicator.

 

• Set SCART INPUT in the FEATURE menu to OFF. (See page 34.)

 

• Check that the intake vent is clean.

 

• Check that the lamp cover is closed. (See page 41.)

 

• 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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• This problem may occur when the intake vent and/or exhaust vents are blocked. (In such a case, the STATUS

 

indicator brinks orange.)

 

J Remove the objects blocking the intake vent and/or exhaust vents and then carry out the following proce-

 

 

dure.

 

 

 

 

 

 

 

 

 

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.

Power turns off.

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.

 

 

 

 

 

 

 

 

 

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

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• PASSWORD FUNCTION in the FEATURE menu has been set to DISPLAY INPUT to enable the password

The screen for entering the password appears.

lock.

 

 

 

 

 

 

 

 

J Enter the password or contact the person in charge of management of the projector.

 

 

(See page 38.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Turn on the power of the connected device, or check whether there is something wrong with the connected

 

device.

 

 

 

 

 

 

 

 

 

• Check whether the external device output signals. (Check this especially when the external device is a note-

 

book computer.)

 

 

"NO SIGNAL" is displayed.

• 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 pro-

 

jected correctly. If images are projected correctly, use an RGB signal amplifier along with the extension cord.

EN-42

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Contents This User Manual is important to you Please read it before using your projectorMODEL ENGLISHDO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDE When using the projector in Europe only for EX53E COMPLIANCE NOTICECAUTION TO REDUCE THE RISK OF ELECTRIC REFER SERVICING TO QUALIFIED SERVICE PERSONNELTrademark, Registered trademark ContentsDeclaration of Conformity Safety instructions for wirelessImportant safeguards Do not unplug the power cord during operation Do not keep using the damaged projectorDo not look into the lens when the projector is operating Do not look into the air outlet grilles when projector is operatingRegulatory statement R&TTE Model Name EX53UModel Name EX53E Terminal board OverviewControl panel Kensington LockRemote control Overview continuedBottom side Operation range of the remote control Remote controlBattery installation Reception angle verticalFront projection InstallationLayout of the projector Front projection, ceiling mountingBasic connections Projector + AV deviceBasic connections continued Projector + DVD player or HDTV decoderFor analog connection Projector + ComputerFor computer with Mini D-SUB or DVI-D For digital connectionUsing the adjustment feet rear Adjustment of the projection angleUsing the adjustment feet front After using the projectorBasic operation Power-onWhen fine streaks are seen on projected images 4 FOCUS 6 ZOOMSetting the aspect ratio Power-offVolume from the speaker How to change the settingsWhen connecting to a laptop computer Wall ScreenSafety instructions for wireless Security precautions for wireless About wireless LAN networkSecurity measures After-sales Service Software license agreement for wirelessInstalling software Precaution for Windows VistaB. Plugging the power code Projecting images wirelesslyA. Connecting the antenna C. Turning the power on and adjusting the focusG. Projecting images Projecting images wirelessly continuedF. Installing the connection software Running the connection softwareIf the wireless connection fails Pausing the projection How to use the connection softwarePausing or resuming the projection Displaying the administration screenHow to use the connection software continued Displaying the information about the projectorDisplaying the version information of the software Downloading the connection software How to use the administration screenConfiguring the projector Selecting the image to be projectedFor the setting items, ask your network administrator How to use the administration screen continuedChanging the network settings 1. Click Network SetupRestoring the default settings Changing the settings for the projectionChanging the password Glossary3. Click the OK button Uninstalling the connection software2. Click the Yes button EN-29How to use wired LAN connection For Ethernet connectionMenu operation Menus are not displayed when no signal is supplied to the projectorEN-31 Menu Options Menu operation continuedBasic operation 1. IMAGE menu2. INSTALLATION menu EN-333. FEATURE menu 4. SINGAL menu SIGNAL USER menu5. WIRELESS menu 6. INFORMATION menuTo adjust the brightness CONTRAST and BRIGHT- NESS Image adjustmentAdjusting projected images To adjust the color COLOR and TINTHow to adjust the image supplied from the computer using the menu Image adjustment continuedSimple method to adjust the image position To adjust the horizontal positionPassword function Advanced featuresProcedure To enable the password functionMagnify Advanced features continuedTo cancel the password function To use the MAGNIFY modeLamp replacement When the projector is mounted to the ceilingLamp replacement continued Interval of lamp replacementReset of the lamp operation time Problem TroubleshootingNo image appears on the screen SolutionTroubleshooting continued Images are not displayed correctlyThe projector cannot be connected wirelessly OthersCleaning of the lens MaintenanceCleaning of the projector and the ventilation slots To protect the surface of the projector from fading or deterioratingIndicators Normal conditionAbnormal condition Specifications EN-47Dimensional drawings unit mm Specifications continuedConnectors Replacement partSpecification of RGB signals in each computer mode of the projector 3 Supports a DVI-D terminalMITSUBISHI ELECTRIC CORPORATION Mitsubishi Projector Warranty, Sales Support and Service Information1 Zusho Baba, Nagaokakyo-City, Kyoto Japan
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