Optoma Technology TW5563D, DX339, DW339, DS339 manual Troubleshooting, 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.

No image appears on-screen

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

Ensure all the pins of connectors are not bent 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.

Ensure that the “AV mute” feature is not turned on.

Partial, scrolling or incorrectly displayed image

Press “Re-SYNC” on the remote.

If you are using a PC:

For Windows 95, 98, 2000, XP, Windows 7:

1.Open the “My Computer” icon, the “Control Panel” folder, and then double click on the “Display” icon.

2.Select the “Settings” tab.

3.Verify that your display resolution setting is lower than or equal to UXGA (1600 × 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 × 1200).

6.Select the “Change” button under the “Monitor” tab.

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Contents Table of Contents Safety Information Usage NoticePrecautions Do not Eye Safety Warnings Product FeaturesPackage Overview DocumentationProduct Overview Main UnitControl Panel Input/Output Connections Remote Control Connecting the Projector Connect to Computer/NotebookConnect to Video Sources Lens Cap optional Powering the projector On / OffPowering On the Projector Powering off the projector Adjusting the Projected Image Adjusting the Projector’s HeightAdjusting the Projector’s Zoom / Focus Adjusting Projection Image SizeSVGA/XGA Control Panel & Remote Control Four DirectionalSelect Keys Standby Indicate the projector’s statusPC/Mouse Control PowerButton Zoom Eco+ Using the Help button User Controls User Controls How to operate On-screen Display MenusMenu Tree ImageOptions Contrast Display ModeBrightness Tint SharpnessColor Color Settings GammaBrilliantColor Color TempColor Space Input SourceDisplay FormatLBX Edge Mask ZoomImage Shift Keystone3D Mode 3D Sync. InvertLanguage ProjectionVolume Menu LocationScreen Type Projector IDPhase AutomaticFrequency PositionSecurity Security TimerChange Password User Controls Logo Closed CaptioningReset Source LockHigh Altitude Information HideDirect Power On Auto Power Off minSleep Timer min Power Mode StandbyBrightness Mode Lamp ResetLamp Hours Lamp ReminderPartial, scrolling or incorrectly displayed image TroubleshootingNo image appears on-screen Image is unstable or flickering Image has vertical flickering barImage is stretched when displaying 169 DVD title Image is out of focusImage is too small or too large Image has slanted sidesLED lighting message Projector stops responding to all controlsLamp burns out or makes a popping sound If the remote control does not work On Screen MessagesReplacing the lamp Lamp Replacement Procedure Compatibility Modes  Computer CompatibilitySvga XGA Wxga Mode Resolution Sync Hz Sync KHz  Video CompatibilityRS232 Commands and Protocol Function List RS232 Pin AssignmentsRS232 Protocol Function List Ascii Code HEX CodeFunctionDescriptionLBX Ascii Code HEX CodeFunctionProjector Return Description Read from projector telnet supported Wall Mount Installation Optoma Global Offices USABenelux BV Regulation & Safety Notices FCC noticeRemarque à l’intention des utilisateurs canadiens