7. Appendix

￿Troubleshooting Check List

Before contacting your dealer or service personnel, check the following list to be sure repairs are needed, you may also refer to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem more efficiently.

* Print the following pages.

Frequency of occurrence always sometimes (How often?_____________________) other (__________________)

Power

No power (POWER indicator does not light green) See also “WARN- ING Indicator (WARNING)”.

Power cord's plug is fully inserted into the wall outlet.

Main power switch is pressed to the ON position.

Lamp cover is installed correctly .

Lamp counter (lamp operation hours) was cleared after lamp replacement.

No power even though you press and hold the POWER button for a minimum of 1 second.

Shut down during operation.

Power cord's plug is fully inserted into the wall outlet.

Lamp cover is installed correctly .

Power Management is turned off (only models with the Power Management function).

Off timer is turned off (only models with the Off timer func- tion).

Video and Audio

No image is displayed from your PC or video equipment to the projector.

Still no image even though you connect the projector to the PC first, then start the PC.

Enabling your notebook PC’s signal output to the projector.

A combination of function keys will enable/disable the ex- ternal display. Usually, the combination of the “Fn” key along with one of the 12 function keys turns the external display on or off.

No image (blue background, logo, no display).

Still no image even though you press the AUTO PC button.

Still no image even though you carry out “Reset” in the projector’s menu.

Signal cable's plug is fully inserted into the input connector

A message appears on the screen.

( _____________________________________________ )

The source connected to the projector is active and available.

Still no image even though you adjust the brightness and/or the contrast.

Input source's resolution and frequency are supported by the projector.

Image is too dark.

Remains unchanged even though you adjust the brightness and/or the contrast.

Image is distorted.

Image appears to be trapezoidal (unchanged even though you carry out the “Keystone adjustment”).

Parts of the image are lost.

Still unchanged even though you press the AUTO PC button.

Still unchanged even though you carry out “Reset” in the projector’s menu.

Image is shifted in the vertical or horizontal direction.

Horizontal and vertical positions are correctly adjusted on a computer signal.

Input source's resolution and frequency are supported by the projector.

Some pixels are lost.

Image is flickering.

Still unchanged even though you press the AUTO PC button.

Still unchanged even though you carry out “Reset” in the projector’s menu.

Image shows flickering or color drift on a computer signal.

Image appears blurry or out of focus.

Still unchanged even though you checked the signal’s resolu- tion on PC and changed it to projector’s native resolution.

Still unchanged even though you adjusted the focus.

No sound.

Audio cable is correctly connected to the audio input of the projector.

Still unchanged even though you adjusted the volume level.

AUDIO OUT is connected to your audio equipment (only mod- els with the AUDIO OUT connector).

Other

Remote control does not work.

No obstacles between the sensor of the projector and the re- mote control.

Projector is placed near a fluorescent light that can disturb the infrared remote controls.

One or more remote sensors are enabled (only models with the Remote Sensor Selection function).

Batteries are new and are not reversed in installation.

If present on the remote control, projector selector switch is not used.

Buttons on the projector cabinet do not work ( only models with the Key lock function).

Key lock is not turned on or is disabled in the menu.

Still unchanged even though you press and hold the BACK but- ton for a minimum of 10 seconds.

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Canon LV-X6, LV-7250 manual Troubleshooting Check List, Power, Video and Audio, Other

LV-X6, LV-7250 specifications

The Canon LV-7250 and LV-X6 are advanced projector models renowned for their quality, versatility, and ease of use. Designed primarily for educational and corporate environments, these projectors combine high-performance features with user-friendly technology, making them ideal for presentations, lectures, and business meetings.

Starting with the Canon LV-7250, this model boasts a bright 2600 ANSI lumens lamp, ensuring clear and vivid images even in well-lit environments. Its native XGA resolution (1024 x 768) guarantees sharp text and detailed graphics, crucial for presentations and visual displays. The projector supports a variety of input options, including HDMI and standard VGA, making connectivity to various devices seamless. Additionally, the LV-7250 includes a 1.2x optical zoom and keystone correction features, allowing for flexible setup and easy alignment of images.

The Canon LV-X6, on the other hand, elevates the projection experience with its enhanced brightness of 3000 ANSI lumens and native SVGA resolution (800 x 600). This model is specifically designed for larger venues, where higher luminosity is essential. The LV-X6 features multiple connectivity options, including HDMI, USB, and composite video, accommodating different presentation formats and devices.

Both models incorporate advanced DLP technology, offering high contrast ratios that enhance the clarity and depth of projected images. They also ensure long-lasting performance with an extended lamp life of up to 6000 hours in Eco mode, reducing the need for frequent replacements and enhancing cost-effectiveness.

In terms of portability, both projectors are lightweight and compact, making them easy to transport between locations. They come equipped with built-in speakers, providing clear audio playback without the need for external sound systems, although connections for separate audio systems are available for enhanced sound quality.

The user-friendly interface and remote control availability further simplify operation, allowing users to navigate menus swiftly and access features easily. A robust cooling system ensures efficient thermal management, keeping the projectors operational for extended periods without overheating.

Overall, the Canon LV-7250 and LV-X6 models epitomize reliability, performance, and practicality, making them excellent choices for anyone seeking high-quality projection solutions in professional settings.