Optoma Technology 1080p DLP manual Troubleshooting, Image Problems, No image appears on-screen

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Appendices

Troubleshooting

If you experience a problem with your projector, please refer to the following information. If a problem persists, please contact your local reseller or service center. (See page 47 for details)

Image Problems

No image appears on-screen

Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.

Ensure the pins of connectors are not crooked or broken.

Check if the projection lamp has been securely installed. Please refer to the “Replacing the lamp” section.

Make sure you have removed the lens cap and the projector is switched on.

Partial, scrolling or incorrectly displayed image

Press “Re-Sync” on the control panel.

If you are using a PC:

For Windows 95, 98, 2000, XP:

Note

(*)The resolution: HDMI’s 1920 x 1080 i/p and component’s 1920 x 1080 i is recommended for this projector.

1.From the “My Computer” icon, open the “Control Panel” folder, and double click the “Display” icon.

2.Select the “Settings” tab.

3.Verify that your display resolution setting is lower than UXGA (1600 x 1200). (*)

4.Click on the “Advanced Properties” button.

If the projector is still not projecting the whole image, you will also need to change the monitor display you are using. Refer to the following steps.

5.Verify the resolution setting is lower than or equal to UXGA (1600 x 1200) resolution. (*)

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Contents Table of contents Safety Information Important Safety InstructionClass B emissions limits Precautions Do not Eye Safety Warnings Usage NoticeProduct Features IntroductionPackage Overview EnglishProduct Overview Main UnitControl Panel EnglishConnection Ports Remote Control Installation Connecting the ProjectorPowering On/Off the Projector Powering On the ProjectorPowering Off the Projector Adjusting the Projected Image Adjusting the Projector’s HeightAdjusting the Projector’s Zoom / Focus Adjusting Projection Image SizeControl Panel & Remote Control Brightness ContrastImage AI Gamma169 NativeLetter-Box YPbPrHow to operate On-screen Display MenusSetup Menu TreeImage ModeTint Noise Reduction GammaDegamma Edge EnhanceColor Temp Display FormatOverscan Edge MaskImage Shift Keystone Language Input SourceSource Lock Auto Power Off SignalHigh Altitude Reset Menu Location ProjectionImage AI Test Pattern Background12V Trigger Brite Mode Lamp ResetLamp Hour Lamp ReminderTroubleshooting Image ProblemsNo image appears on-screen Partial, scrolling or incorrectly displayed imageUnstable or flickering image Image has vertical flickering barIntermission Problems Projector Status Indication Lamp burns out or makes a popping soundLED states Message RemindersRemote Control Problems If the remote control does not workLamp Replacing Procedure Replacing the lampMode Resolution Frequency AAnalog Digital Compatibility ModesRS232 Commands and Protocol Function List RS232 Pin AssignmentsRS232 Protocol Function List Comand Header Blank Address Code Command Terminator Et/ g et Ceiling Mount Installation Optoma Global Offices USAChina Regulation & safety notices Remarque à l’intention des utilisateurs cana- diens