BenQ MP723 user manual Troubleshooting, Projector does not turn on, No picture, Blurred image

Page 60

Troubleshooting

The projector does not turn on.

Cause

Remedy

 

 

 

Plug the power cord into the AC inlet on the

There is no power from the power

projector, and plug the power cord into the

cable.

power outlet. If the power outlet has a switch,

 

make sure that it is switched on.

 

 

Attempting to turn the projector on

Wait until the cooling down process has

again during the cooling process.

completed.

 

 

No picture

Cause

Remedy

 

 

The video source is not turned on or

Turn the video source on and check that the

connected correctly.

signal cable is connected correctly.

 

 

The projector is not correctly

Check the connection.

connected to the input source device.

 

 

 

The input signal has not been

Select the correct input signal with the

SOURCE key on the projector or remote

correctly selected.

control.

 

 

 

The lens cover is still closed.

Open the lens cover.

Blurred image

Cause

Remedy

 

 

The projection lens is not correctly

Adjust the focus of the lens using the focus

focused.

ring.

 

 

The projector and the screen are not

Adjust the projection angle and direction as

aligned properly.

well as the height of the unit if necessary.

 

 

The lens cover is still closed.

Open the lens cover.

Remote control does not work

Cause

Remedy

 

 

The batteries are out of power.

Replace the batteries with new ones.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

 

 

You are too far away from the

Stand within 8 meters (26 feet) of the

projector.

projector.

 

 

The password is incorrect

Cause

Remedy

 

 

You do not remember the password.

Please see "Entering the password recall pro-

cedure" on page 30 for details.

 

60 Troubleshooting

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Contents Welcome Table of contents Important safety instructions Refer servicing to qualified service personnelFuture reference Projector lamp is on Do not look straight at the projectorSafety Instructions Bedding or any other soft surface Allow at least 50 cm clearance from wallsResulting in damage to the projector Ceiling mounting the projector Projector features IntroductionIntroduction Shipping contents Projector exterior view Front/upper side Rear/lower sideLamp cover Controls and functions ProjectorRemote control CaptureIndicator light 22. D. Zoom + Operating the Laser pointerRemote control effective range Replacing the remote control batteriesApprox.15 Set Rear Ceiling in the System Setup Basic Positioning your projectorChoosing a location Front TableObtaining a preferred projected image size Page Maximum zoom Minimum zoom Screen Center of lens Projection distance1219 1500Connecting a computer or monitor Connecting a computerConnection Iii Connecting a monitor With a VGA cable With a VGA to DVI-A cableConnecting Video source devices Connecting AudioBest video quality Better video qualityConnecting a DVI source device Connecting a Component Video source device To connect the projector to a Component Video source deviceConnecting an S-Video source device To connect the projector to an S-Video source deviceDevice Connecting a composite Video source device To connect the projector to a composite Video source deviceProjection lamp Press I I Power on the projector or remote OperationStarting up the projector OperationUsing the menus Use / to highlight the System Setup Basic menuUsing a security cable lock Utilizing the password functionSecuring the projector Removing the control keypad on the projectorSetting a password If you forget the passwordTo the Security Settings Respectively represent 4 digitsEntering the password recall procedure Changing the passwordDisabling the password function Enter a new passwordSwitching input signal Changing Color SpaceAdjusting the projected image Adjusting the projection angleAuto-adjusting the image Fine-tuning the image size and clarityOn the projector or remote Control Correcting keystoneSelecting the aspect ratio About the aspect ratioUsing Wall Color Selecting a picture modePC/DVI-A/DVI-D Signal Input Optimizing the imageFine-tuning the image quality in user modes Setting the User 1/User 2 modeAdjusting Brightness Adjusting ContrastAdjusting Color Adjusting TintAdjusting Sharpness Adjusting Brilliant ColorEvery adjustment made will reflect to 3D Color ManagementSetting the presentation timer You want the timer to show up on the screen byTo cancel the timer, perform the following steps How to use the Timer ON/SHOW button?Remote paging operations Button is a multi-functional keyHiding the image Freezing the imageUtilizing FAQ function Go to the System Setup Basic Panel Key LockLocking control keys Setup Advanced High Altitude Mode, select On Operating in a high altitude environmentCreating your own startup screen To activate the High Altitude Mode, go to the SystemAdjusting the sound Adjusting the sound levelTurning off the Power on/off ring tone Personalizing the projector menu displayShutting down the projector Approximately 90 seconds to cool down the projectorMenu operation Menu systemBasic AdvancedDisplay menu Source menuPicture menu System Setup Basic menu System Setup Advanced menu Information menu Maintenance Care of the projectorSetting Lamp Mode as Economic Setting Auto Power OffLamp information Getting to know the lamp hourTiming of replacing the lamp Loosen the screw that secures the lamp Maintenance Replacing the lampTighten the screw that secures the lamp Resetting the lamp timer Restart the projectorIndicators Troubleshooting Remote control does not workProjector does not turn on No pictureSpecifications Projector specificationsDimensions Mm W x 131.30 mm H x 304.99 mm D 274.87 48.57 SpecificationsTiming chart Horizontal Vertical Pixel Resolution Frequency Mode KHz MHzSignal Format Horizontal Vertical Frequency Frequency kHz Supported timing for PC including DVI-D input15.73 Specifications Supported timing for Video and S-Video inputs15.73 15.63Warranty and Copyright information Limited warrantyCopyright DisclaimerRegulation statements FCC statementEEC statement Weee directive
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