BenQ SP840 Troubleshooting, The projector does not turn on, No picture, Blurred image, English

Page 62
Troubleshooting

English

Troubleshooting

 The projector does not turn on. The projector does not turn on.

Cause

Remedy

 

 

There is no power from the power

Plug the power cord into the AC inlet on the

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.

 

 

Cause 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 signal device.

 

 

 

The input signal has not been

Select the correct input signal with the

SOURCE key on the projector or remote

correctly selected.

control.

 

 

 

Remedy 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.

 

 

 No picture Remote control does not work

Cause

Remedy

 

 

The battery is out of power.

Replace the battery with new one.

There is an obstacle between the

Remove the obstacle.

remote control and the projector.

 

 

 

You are too far away from the

Stand within 7 meters (23 feet) of the

projector.

projector.

 

 

The password is incorrect

 

Cause

Remedy

 

 

You do not remember the password.

Please see "Entering the password recall

procedure" on page 28 for details.

 

 

 

62 Troubleshooting

Image 62
Contents SP840 Digital Projector User Manual WelcomeWarranty and Copyright Table of contentsImportant safety EnglishImportant safety instructions Safety InstructionsSafety Instructions Continued 4 Important safety instructions12. Do not place this projector in any of the following environments Ceiling mounting the projector 6 Important safety instructionsProjector features IntroductionOptional accessories Shipping contentsStandard accessories Projector exterior view Front/upper sideSee Using the menus on page 26 for details Controls and functionsProjector Remote control See Switching input signal on page 29 for details Operating the LASER pointerSee Auto-adjusting the image on page 30 for details Remote control effective range Replacing the remote control batteryPositioning your projector Choosing a locationObtaining a preferred projected image size Positioning your projectorHow to determine the recommended screen size for a given distance 16 Positioning your projectordiagonal SP840 projection dimensions169 screen InchesConnections Connecting a computer or monitorConnecting a computer To connect the projector to a notebook or desktop computerConnecting a monitor To connect the projector to a monitorBest video quality Connecting Video source devicesConnecting Audio Better video qualityConnecting HDMI source devices To connect the projector to an HDMI source deviceTo connect the projector to an Audio source device Connecting Component Video source devicesTo connect the projector to a Component Video source device S-Video Cable AV device Audio Cable Connecting S-Video source devicesTo connect the projector to an S-Video source device 24 Connections Connecting Composite Video source devicesTo connect the projector to a composite Video source device Operation Starting up the projectorSecuring the projector Using the menusUsing a security cable lock remote control to turn the OSD menu onIf you forget the password Utilizing the password functionSetting a password Disabling the password function Entering the password recall procedureChanging the password password next time the projector is startedSwitching input signal Changing Color SpaceAuto-adjusting the image Adjusting the projected imageAdjusting the projection angle Fine-tuning the image size and clarityKeystone function Correcting keystoneUsing Auto Keystone 32 Operation Magnifying and searching for detailsSelecting the aspect ratio 5. Real About the aspect ratio4. Letter Box Selecting a picture mode Setting the User 1/User 2/User 3 modeOptimizing the image Adjusting Contrast Fine-tuning the image quality in user modesAdjusting Brightness Adjusting ColorSelecting a Color Temperature Adjusting Clarity ControlSelecting a Color Temperature UserFine Tuning Selecting a Gamma Selection3D Color Management Adjusting Brilliant ColorSelecting a White Peaking 1. Go to the PICTURE Advanced menu and highlight 3D Color Management Selecting Color Space ConversionSelecting a Video Format 2. Press MODE/ENTER and the 3D Color Management page displaysSelecting a 3D Comb Filter Remote paging operationsSelecting a Film Mode Hiding the image Setting the Sleep TimerLocking control keys Operating in a high altitude environment Adjusting the soundFreezing the image INPUT SOUCERAdjusting the Bass level Adjusting the sound levelAdjusting the Treble level Turning off the Power on/off Ring ToneIf you are in a DHCP environment Configuring the Lan Control SettingsControlling the projector through a Lan environment Controlling the projector remotely through a web browser If you are in a non-DHCP environmentii. To switch input source, click on your desired signal Personalizing the projector menu display Shutting down the projectorMain menu Menu operationMenu system Sub-menuDisable/30 min/1 hr/2 hr/3 hr/4 hr/8 VolumePower on/off MuteEquivalent Lamp Hour Description of each menu for details 52 Operation Menu positionMenu display time Mute value DESCRIPTION default setting/valuedefault setting Cleaning the projector case MaintenanceCleaning the lens Care of the projectorLamp information Setting Lamp mode as EconomicSetting Auto Power Off Getting to know the lamp hourStatus Timing of replacing the lampSee Setting Lamp mode as Economic on page MessageReplacing the lamp 58 Maintenance4. Loosen the screws that secure the lamp Resetting the lamp timer SETUP Advanced Lamp SettingsPower events IndicatorsPower LightThe password is incorrect TroubleshootingRemote control does not work The projector does not turn onSpecifications Projector specifications132.4 DimensionsCeiling Mount Installation 254325Timing chart Supported timing for COMPUTER inputSupported timing for Component-YPbPr input EnglishSupported timing for Video and S-Video inputs Supported timing for HDMI HDCP input68 Specifications Copyright Warranty and Copyright informationLimited warranty DisclaimerEEC statement Regulation statementsFCC statement WEEE directiveAccessibility Requirements for Rehabilitation Act of 1973, Section Regulation statements
Related manuals
Manual 71 pages 62.24 Kb