How to fix a BenQ LK935 Projector that won't turn on?
If your BenQ Projector isn't turning on, here's what you can check: * Ensure the power cord is securely plugged into both the projector's AC power jack and a functioning power outlet. If the outlet has a switch, make sure it's on. * If the projector was recently turned off, wait for the cooling process to complete before attempting to turn it on again.
What to do if BenQ Projector remote control doesn't work?
If your BenQ Projector's remote control isn't working, try the following: * Replace the batteries with new ones. * Ensure there are no obstacles between the remote control and the projector. * Make sure you are within 8 meters (26 feet) of the projector.
What to do if my BenQ LK935 has no picture?
If your BenQ Projector isn't displaying a picture, there are a few things to check: * Ensure that the video source is turned on and properly connected. * Verify that the projector is correctly connected to the input signal device. * Make sure the correct input signal is selected using the SOURCE key.
Why is my BenQ LK935 Projector image blurred and how to fix it?
If you're experiencing a blurred image with your BenQ Projector, consider these potential causes and solutions: * The projection lens may not be correctly focused. Adjust the focus using the focus ring. * The projector and screen might not be properly aligned. Adjust the projection angle, direction, and height of the projector as needed.
General| Color gamut | 92 % |
|---|---|
| Number of colors | 1.07 billion colors |
| Native aspect ratio | 16:9 |
| Vertical scan range | 15 - 135 Hz |
| Projection technology | DLP |
| 3D vertical scan range | 23 - 240 Hz |
| Contrast ratio (typical) | 3000000:1 |
| Screen size compatibility | 150 - 200 \ |
| Projector native resolution | 2160p (3840x2160) |
| Keystone correction, horizontal | -30 - 30 ° |
| AC (power) in | Yes |
| HDMI connector type | Full-size |
| Serial interface type | RS-232 |
| USB 2.0 ports quantity | 1 |
| RMS rated power | 10 W |
| Light source type | Laser |
| Service life of light source | 20000 h |
| Service life of light source (economic mode) | 30000 h |
| Offset | 0 % |
| Throw ratio | 1.36 - 2.18 |
| Focal length range | 8.6 - 9.4 mm |
| Vertical lens shift range | -60 - 60 % |
| Horizontal lens shift range | -23 - 23 % |
| Analog signal format system | - |
| Supported graphics resolutions | 640 x 480 (VGA), 3840 x 2160 |
| Image lag time | 33.4 ms |
| HDCP version | 2.2 |
| Operating temperature (T-T) | 0 - 40 °C |
| Product type | Standard throw projector |
| Product color | White |
| Market positioning | Business |
| Cord length | 1.8 m |
| Power source | AC |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Power consumption (max) | 520 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 405 W |
| Security updates end date | 31/12/2026 |
Weight and Dimensions| Depth | 351 mm |
|---|---|
| Width | 416 mm |
| Height | 166 mm |
| Weight | 7000 g |
Details BenQ's warranty against defects in material and workmanship under normal usage.
Covers copyright notices, rights reserved, and disclaimers from BenQ Corporation.
Lists standard and optional accessories included with the projector.
Explains the functions of buttons on the projector and its remote control.
Discusses factors for selecting an installation location for optimal performance.
Adjusts projection angle, fine-tunes image size, clarity, and corrects keystone distortion.
Details on connecting various signal sources and devices to the projector.
Step-by-step guide for powering on and initiating the projector.
Instructions for setting, changing, and recovering the projector password.
How to manually select and switch between different input signal sources.
Setup and usage of wired LAN for projector control via network.
Overview of the basic On-Screen Display (OSD) menu and its functions.
Details on Picture Mode, User Management, Brightness, Contrast, and Sharpness settings.
Explains settings for Mute, Volume, Audio Output, and Audio Output Format.
Outlines options within the Display menu, including Aspect Ratio and 3D settings.
Details the Installation menu, covering projector position, keystone, and trigger settings.
Provides an overview of the System menu categories like Language, Security, and Network.
Instructions for cleaning the lens and case, and proper storage procedures.
Addresses common problems like no power, no picture, blurred image, and remote control issues.
Lists optical, electrical, mechanical, input/output, and environmental specifications.
Details supported video timings for HDMI (HDCP) and PC inputs.
Explains RS232 pin assignments and commands for projector control.
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