Vidikron 90 manual 5Maintenance and Troubleshooting, Lamp Replacement Troubleshooting Tips

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5Maintenance and Troubleshooting

The lamp should be replaced when it reaches the end of its life (typically 2000 hours), or sooner if a noticeable degradation in brightness occurs. Contact your Vidikron dealer to obtain a replacement lamp.

1.Turn off the projector and unplug the power cord. Allow the projector to cool down for approximately 45 minutes prior to removing the lamp assembly for replacement.

2.Loosen the four rear Lamp Cover screws and remove the cover.

3.Remove the two lamp assembly mounting screws.

4.Grasp the lamp assembly handle and pull gently, removing the lamp module from the projector housing.

5.Install the new lamp module.

6.Replace the lamp cover and re-tighten all screws.

7.Reset the Lamp Hour counter. To do this, select Service from the Main Menu, then Display Device, then Installation. Use the cursor buttons to highlight Reset under “Lamp Hours” and press ENTER.

Table 5-1provides some general guidelines for troubleshooting problems you may encounter with the Vision 90. If you encounter an issue not described here, please contact Vidikron Technical Support.

Table 5-1. Troubleshooting Chart

Symptom	Possible Cause(s)	Solution

The projector does not turn on	• The Vision 90 is not	• Ensure that the Vision 90 is
after initial installation. The	plugged in or the AC outlet	plugged in and that the AC
power LED lights red after you	is not active.	outlet is active.
press the power button.

The projector is on, but there is	• Incorrect source selection.	• Select the correct source.
no video image on-screen.	• Source component is not	• Turn on the source.
	turned on.

A projected image from a DVD	• DVD player is set to	• Turn off progressive scan
is split or otherwise scrambled.	progressive scan mode.	on the DVD player.
		• Connect the DVD player to
		the HD/RGB 1 or HD/RGB 2
		input.

Image is too bright and/or	• Contrast is set too high.	• Lower the contrast setting.
lacks definition in the bright
areas of the image.

Image appears “washed out”	• Brightness is set too high.	• Lower the brightness
and/or dark areas appear too		setting.
bright.

5.1

Lamp Replacement

5.2

Troubleshooting Tips

Vidikron Vision Model 90 Owner’s Operating Manual

5-1

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Contents DLP Projector Page For Projectors, Video Processors and Controllers TWO Year Limited WarrantyEffective Warranty Date Vidikron Safety Precautions 1Table of Contents Specifications Maintenance and TroubleshootingOperation Serial Communications1List of Figures List of Figures About This Manual 1IntroductionIf you need Turn to Using This ManualKey Features and Benefits Description, Features and BenefitsOptional Accessories Vision 90 at a Glance 2Controls and FunctionsHD1 / HD2 Analog BNC connectors Component Video RCA connectorsVision 90 Rear Panel Video 1 / S-VIDEO Volt 800 mA Trigger OutputsVision 90 Remote Control Functions Vision 90 Remote ControlOn / OFF Memory Preset Buttons ISF NT NightCursor Keys CustComp Component VideoHD 1 4 / HD 2 DVI 1 6 / DVI 2Remote Control 3InstallationInstallation Overview Quick SetupStep Procedure For Details Refer to Projector Installation Options Installation ConsiderationsInstallation Type Advantages ConsiderationsFlat vs. Curved Screens Estimating Throw Distance Ambient LightVertical and Horizontal Vision 90 Lens OptionsPosition Throw Ratio Throw Distance RangeVertical Lens Shift ShiftVertical and Horizontal Lens Shift Limits Adjusting the ProjectionAngle Lens OptionFolded Optics DVI Connections See Figure Connections to the VisionDigital DTV RGB Connections Digital DTV RGB Connections See FigureAnalog RGB Connections Analog Computer RGB Connections See Figure10. Composite, S-Video and Component Video Connections Composite/S-Video/Component Video Connections See FigureConnection Connecting 12-Volt TriggerComponents Adjusting the Picture Orientation Turning on the Power4Operation Using the On-Screen Menus Lens AdjustmentsFocus Zoom Shift Service ISF PresetsInput Source Aspect RatioInput Source Main MenuAspect Ratio Input Source Composite Video Component SDDescription Aspect Ratio SettingsPicture Perform the adjustments in the order listed herePicture Brightness Contrast Color Tint Sharpness Typical Gray Bar Pattern for Adjusting Contrast Gray Yellow Cyan Green Magenta Red Blue Input Position Left/Right Up/Down Width Height Overscan Input PositionInformation ISF PresetsCalibration Should be used by ISF-certified technicians onlyOperation Service Code sent by the remote to match as described below Operation Lamp Replacement Troubleshooting Tips 5Maintenance and TroubleshootingTroubleshooting Chart Symptom Possible Causes SolutionMaintenance and Troubleshooting Serial Commands Serial Command SyntaxRS-232 Connection and Port Configuration Command Parameter Value Description Min/max Stored?Serial Communications CUSTOM1 YES Command Parameter Value Description Min/max Vision 90 Specifications 7SpecificationsIndustry-Standard Specifications Home Theater Calibration SpecificationsPower Requirements DimensionsSpecifications are subject to change without notice Limited WarrantyRegulatory Approvals Vision 90 Dimensions Vision 90 DimensionsPage RUMA-011150