How to fix Optoma EX631 Projector that fails to light up?
If your Optoma Projector fails to light up, you can try the following: check the LED indicator and follow the indicative actions, replace the Lamp Module, replace the Mainboard, replace the Ballast, or replace the Power board.
Why does my Optoma EX631 say 'No Signal' from my computer?
If your Optoma Projector displays 'No Signal' from your computer, ensure the source is turned on, replace the cable, or replace the mainboard.
What to do if Optoma EX631 Projector shows 'No Signal' for video?
If your Optoma Projector shows 'No Signal' for video, first turn on the source. If that doesn't work, replace the cable, or replace the mainboard.
How to troubleshoot abnormal image on Optoma Projector?
To troubleshoot an abnormal image on your Optoma Projector, power it on again and reset the OSD. You can also adjust the input signal, replace the Mainboard, or replace the Optical Engine.
Why is the color abnormal on my Optoma EX631 Projector?
If the color is abnormal on your Optoma Projector, try adjusting the input signal or adjusting the Color Wheel Index. If the issue persists, consider replacing the Mainboard or replacing the Optical Engine.
What to do if my Optoma EX631 Projector has no power?
If your Optoma Projector has no power, try these steps: replug the power cord, check the connector, replace the power cord, or replace the safety switch.
How to fix Optoma Projector remote control failure?
To fix a remote control failure with your Optoma Projector, try replacing the battery, replacing the remote control, replacing the IR, or replacing the Mainboard.
What to do if Optoma EX631 fan fails after turning on?
If the fan fails after turning on your Optoma Projector, try reconnecting the fan connection, replacing the fan, or replacing the button.
How to restore sound on Optoma EX631 Projector with no volume?
If there is no volume on your Optoma Projector, you can try replacing the button, replacing the speaker, or replacing the mainboard.
General| Matrix size | 0.55 \ |
|---|---|
| Number of colors | 1.073 billion colors |
| Projection distance | 1.2 - 10 m |
| Vertical scan range | 24 - 120 Hz |
| Horizontal scan range | 15.3 - 91.1 kHz |
| Projection technology | DLP |
| Contrast ratio (typical) | 10000:1 |
| Screen size compatibility | 27.21 - 249.81 \ |
| Projector native resolution | XGA (1024x768) |
| Keystone correction, vertical | -40 - 40 ° |
| RS-232 ports | 1 |
| Maximum digital resolution | 1600 x 1200 pixels |
| Offset | 115 % |
| Throw ratio | 1.97 - 2.17:1 |
| Zoom capability | Yes |
| Focal length range | 21.95 - 24.18 mm |
| Aperture range (F-F) | 2.51 - 2.69 |
| Service life of light source | 3500 h |
| Service life of light source (economic mode) | 5000 h |
| Full HD | No |
| Supported video modes | 1080i, 1080p, 480i, 480p, 576i, 576p, 720p |
| Analog signal format system | NTSC, PAL, SECAM |
| Supported graphics resolutions | 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1600 x 1200 (UXGA), 640 x 480 (VGA), 800 x 600 (SVGA) |
| RMS rated power | 10 W |
| Audio (L/R) in | 0 |
| Serial interface type | RS-232 |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| VGA (D-Sub) ports quantity | 3 |
| Wi-Fi | - |
| Noise level | - dB |
| Noise level (economic mode) | 29 dB |
| On Screen Display (OSD) languages | ARA, CZE, DAN, DEU, DUT, ENG, ESP, FIN, FRE, GRE, HUN, ITA, NOR, POL, POR, RUS, SWE, TUR |
| Placement | Ceiling |
| Product type | Standard throw projector |
| Product color | Black |
| Cable lock slot type | Kensington |
| Power source | AC |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 285 W |
| Operating altitude | 0 - 3000 m |
| Operating temperature (T-T) | 5 - 40 °C |
| Operating relative humidity (H-H) | 0 - 85 % |
| Cables included | AC, VGA |
| Sustainability certificates | RoHS |
Weight and Dimensions| Depth | 230 mm |
|---|---|
| Width | 280 mm |
| Height | 77 mm |
| Weight | 2200 g |
General safety precautions for operating and servicing the projector.
Notes regarding component replacement and safety significance.
Warnings specifically for service personnel regarding lamp and high voltage.
Detailed technical specifications for the EX631/EW631 projectors.
Diagram illustrating the internal components and connections of the projector.
Lists the necessary tools and software for firmware upgrading.
Step-by-step guide for installing the firmware update utility.
Instructions for installing the necessary USB driver for projector communication.
Detailed procedure for updating the projector's firmware via USB.
Lists essential tools for disassembling the projector.
Critical warnings and precautions to observe during disassembly.
Provides guidance on identifying and resolving common projector issues.
Steps to verify the functionality of each I/O port after repair.
Tests for buttons, foot adjusters, and focus ring operation.
Procedures to check projected image quality using test patterns.
Testing audio, video signals, and image resolution.
Procedures for brightness measurement and safety equipment testing.
Identifies connectors and their functions on the main board.
Identifies connectors and their functions on the backside of the main board.
Identifies connectors and their functions on the ballast and power boards.
Introduction to FRUs and precautions for handling static-sensitive components.
Exploded view of projector components labeled as FRUs.
Lists FRU part numbers for main boards, power, and ballast modules.
Lists FRU part numbers for case, cover, and bracket assemblies.
Lists FRU part numbers for optical engines and lamps.
Lists FRU part numbers for fans and speakers.
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