BenQ PB7230 manual Troubleshooting, Common Problems & Solutions

Page 37

Troubleshooting

Common Problems & Solutions

NO POWER

Try these solutions:

•Make sure the power cord is inserted snugged into the AC adapter socket.

•Make sure the power cord is inserted snugged into the power outlet.

•Toggle the power switch to the position “”.

•Wait 90 seconds after the projector is turned off before turning the projector back on.

NO PICTURE

Try these solutions:

•Check for the proper input source.

•Ensure all cables are connected properly.

•Adjust the brightness and contrast.

•Remove the lens cap.

TRAPEZOID IMAGE ON THE SCREEN

Try these solutions:

•Reposition the unit to improve its angle on the screen.

•Use the Keystone correction key on the control panel of the projector or the remote control unit.

POOR COLOR

Try these solutions:

•Select the correct video system.

•Adjust brightness, contrast, or saturation.

BLURRED IMAGE

Try these solutions:

•Press Auto on the control panel of the projector or the remote control unit to get better picture quality.

•Adjust the focus.

•Reposition the unit to improve its projection angle.

•Ensure the distance between the unit and screen is within the adjustment range of the lens.

REMOTE CONTROL DOES NOT WORK

Try these solutions:

•Replace the batteries with new ones.

•Make sure there is no obstacle between the remote control and the projector.

•Stand within 6 meters (19.5 feet) of the projector.

•Make sure nothing is blocking the front and rear receivers.

Troubleshooting 33

Page 36 Page 38
Image 37
Page 36 Page 38
Contents PB7210/ PB7230/ PB7110 Digital Projector User’s Manual WelcomeCopyright Table of Contents Troubleshooting Refer servicing to qualified service personnel Important Safety InstructionsSafety Instructions Do not block the ventilation holes Introduction Projector FeaturesShipping Contents Projector Description Ventilation grill Front adjuster Rear adjusterYou Projector at a Glance External Control Panel Adjuster Ratio Return FreezeInstalling or Replacing Batteries Remote Control Effective RangePB7210/ PB7230 XGA screen size chart 43 aspect ratio InstallationScreen Size PB7110 Svga screen size chart 43 aspect ratio PB7210/ PB7230 XGA screen size chart 169 aspect ratioPB7110 Svga screen size chart 169 aspect ratio Connecting to Various EquipmentHdtv Equipment VGA cable Connecting to Various EquipmentAV equipment Video device or VCR Video cable Audio cable Installation Start Up OperationSource Selection Digital Keystone CorrectionBlank Auto AdjustmentMenu System Display Menu Image Menu Source Menu VolumeMirror MuteControl Menu SetupLanguage Reset Preset ModeLamp Hour PIP Source PIP MenuPIP Size PIP PositionShutdown Use and Replacement of the Lamp MaintenanceLamp Replacement Lamp InformationMaintenance LED Indicator Status & Illustration Resetting Lamp HoursTemp Information For assistance Normal operationDown again. Please contact your dealer for assistance Down again. Please contact your dealer for assistanceAccessories included in the standard package Service InformationOptional Accessories not included in the standard package Ordering Parts or Getting InformationCommon Problems & Solutions TroubleshootingStatus Messages Projector Specifications SpecificationsTechnical Specifications Horizontal Vertical Pixel Resolution Frequency Mode KHz MHz Timing ChartSignal Format Horizontal Frequency Supported timing for PC inputSupported timing for Video and S-Video inputs Video mode Horizontal VerticalFrequency Hz MHz Dimensions Limited Warranty WarrantyFCC Statement Safety RegulationsEEC Statement MIC Statement

PB7230 specifications

The BenQ PB7230 is a versatile and highly regarded projector that caters to both business and home entertainment needs. With its comprehensive array of features, it stands out in a crowded market for projectors designed for presentations and casual viewing.

One of the stand-out characteristics of the BenQ PB7230 is its impressive brightness level. With a specification of 3,000 ANSI lumens, it excels in delivering vivid images even in well-lit environments. This makes it an ideal choice for conference rooms and classrooms, where ambient light can often diminish the quality of visuals. Coupled with a contrast ratio of 2000:1, it ensures deep blacks and vibrant colors, which enhances the overall image quality.

Resolution is another critical aspect where the PB7230 shines. It supports a native XGA resolution of 1024 x 768 pixels, which is adequate for a variety of content types, whether it be text-heavy presentations or graphic-rich videos. Additionally, it is capable of scaling up to higher resolutions, making it adaptable to different input sources.

The PB7230 features BenQ's proprietary SmartEco technology, which allows for energy-efficient operation by dynamically adjusting lamp brightness according to the content being displayed. This not only extends the lifespan of the lamp to an impressive 4,500 hours but also reduces power consumption, making it an environmentally friendly choice for users who are conscious of their carbon footprint.

Connectivity options are abundant with the BenQ PB7230. It comes equipped with multiple ports, including HDMI, VGA, and USB, allowing users to connect a wide range of devices such as laptops, streaming devices, and DVD players. In addition, its built-in 2-watt speaker provides adequate sound quality for smaller settings, though external audio solutions can easily be integrated for larger venues.

Portability is another factor that enhances the appeal of the PB7230. Weighing around 2.5 kg, it is lightweight and easy to transport, making it suitable for professionals who need to present on the go. The easy setup process further adds to its user-friendly design, allowing for quick adjustments to focus and zoom features.

In summary, the BenQ PB7230 is a robust and adaptable projector that combines high brightness, energy efficiency, and solid connectivity features. Its blend of technologies and characteristics makes it an excellent investment for anyone looking to enhance their visual experience, be it in a business setting or at home.
Top Page Image Contents