BenQ Comprehensive Projector Troubleshooting for Your Manual

Page 58

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

correctly selected.

key on the projector or remote 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 28 for details.

 

58 Troubleshooting

Image 58
Contents Welcome Table of contents Troubleshooting MaintenanceMagnifying and searching for details Specifications Regulation statementsFuture reference Projector lamp is on Important safety instructionsRefer servicing to qualified service personnel Do not look straight at the projectorSafety Instructions Allow at least 50 cm clearance from walls Bedding or any other soft surfaceResulting in damage to the projector Ceiling mounting the projector Introduction Projector featuresIntroduction Shipping contents Rear side Projector exterior viewFront/upper side Under viewControls and functions ProjectorAuto Lamp indicator lightMODE/enter Timer Setup Remote controlTimer On FreezePull out the battery holder Remote control effective rangeReplacing the remote control battery Approx.15Positioning your projector Choosing a locationObtaining a preferred projected image size Page 1219 Maximum zoom Minimum zoomScreen Center of lens Projection distance 1500Connection Connecting a computer or monitorConnecting a computer To connect the projector to a laptop or desktop computerConnecting a monitor Best video quality Connecting Video source devicesConnecting Audio Better video qualityConnecting a Component Video source device To connect the projector to a Component Video source deviceTo connect the projector to an S-Video source device Connecting an S-Video source deviceDevice Audio cables Video cable Connecting a composite Video source device To connect the projector to an composite Video source deviceStart up OperationOperation If you forget the password Utilizing the power-on lock functionSetting a password Buttons Up , Right, DownDisabling the power-on lock function Entering the password recall procedureChanging the password Enter the old passwordGo to Source Quick Auto Search menu Switching input signalSource search by detecting your selected Signal first Iii. The projector will start automaticAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityCorrecting keystone For exampleSelecting the aspect ratio Go to the Picture Picture Mode menu Selecting a picture modeSetting the User 1/User 2 mode Optimizing the imageAdjusting brightness Using Wall ColorFine-tuning the image quality in user modes Adjusting contrastAbout color temperatures 3D Color ManagementSetting the presentation timer Other adjustmentsHow to use the Timer On button? Button is a multi-functional keyFreezing the image Hiding the imageLocking control keys Key Lock, and select On by pressing LeftOperating in a high altitude environment Utilizing FAQ functionInstallation and Information FAQ-Features and Service menus Up orPersonalizing the projector menu display Shutting down the projectorPC source Dynamic Menu operationMenu system Video source DynamicLanguage BasicAdvanced Menu display time Sec/10 sec/15 sec/20 sec/25Information Source Following example describes the adjustment of Keystone Using the menusUse Left/ Right to select the Display menu Display menu Picture menu System setup Basic menu Source menuSystem setup Advanced menu Lamp Reset AllMenu SecurityInformation menu Maintenance Care of the projectorLamp information Calculation of lamp hourReplacing the lamp Remove the lamp cover from the projector Tighten the screw that secures the lampTemperature information Restart the projectorPowering up IndicatorsStand-by mode IllustrationLight Status & Description Power Temp Lamp Thermal events Troubleshooting Specifications Projector specificationsDimensions Mm W x 106.3 mm H x 251 mm D 239 64.5 Unit mm SpecificationsSupported timing for Component-YPbPrinput Timing chartSupported timing for PC input Supported timing for Video and S-Video inputsCopyright Warranty and Copyright informationLimited warranty DisclaimerEEC statement Regulation statementsFCC statement Weee directive