TH690ST - Video projector BENQ - Free user manual and instructions
Find the device manual for free TH690ST BENQ in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Short Throw Video Projector |
| Brand | BenQ |
| Model | TH690ST |
| Resolution | 1920 x 1080 (Full HD) |
| Brightness | 2300 ANSI Lumens |
| Contrast Ratio | 10,000:1 (FOFO) |
| Throw Ratio | 0.69 - 0.83 (short throw) |
| Lamp Life | Up to 15,000 hours (SmartEco mode) |
| Keystone Correction | Vertical ± 30 degrees |
| Input Lag | 16.7 ms (1080p 60Hz) |
| Dimensions (W x H x D) | 312 x 104 x 225 mm |
| Weight | 2.78 kg |
| Power Consumption | Normal: 295W, Standby: <0.5W |
| Input Ports | 2x HDMI, 1x USB-A (power), 1x Audio Out |
| Speaker | Built-in 5W chamber speaker |
| Lamp Type | Osram P-VIP (replaceable) |
| Filter Maintenance | Air filter cleaning recommended every 500 hours |
| Safety Features | Auto shut-off, Kensington lock slot |
| Spare Parts | Lamp module, filter kit available via BenQ service |
| Repairability | User-replaceable lamp and filter; professional service for other parts |
| Environmental Conditions | Operating temperature: 0°C - 40°C |
| What's in the Box | Projector, remote control, batteries, power cord, quick start guide |
Frequently Asked Questions - TH690ST BENQ
What is the native resolution of the BenQ TH690ST?
The BenQ TH690ST has a native resolution of 1920 x 1080 (Full HD). It supports 4K input via HDMI, but the internal resolution is 1080p.
How do I clean the air filter on the TH690ST?
Turn off the projector and unplug it. Open the filter cover on the bottom, remove the filter, and gently clean it with a soft brush or vacuum. Reinstall and close the cover. It is recommended every 500 hours of use.
Can I use the TH690ST for gaming?
Yes, it offers a low input lag of 16.7 ms at 1080p 60Hz, making it suitable for casual and competitive gaming. It also has a gaming preset mode.
What is the throw distance for a 100-inch screen?
With a throw ratio of 0.69-0.83, you can achieve a 100-inch image from a distance of approximately 1.5 to 1.8 meters (lens to screen).
How do I replace the lamp in the TH690ST?
Turn off the projector and wait for it to cool. Remove the lamp cover on the bottom, unscrew the lamp module, and replace it with a new BenQ 5J.J9505.001 lamp. Do not touch the glass.
Does the TH690ST support 3D?
No, the BenQ TH690ST does not support 3D projection. It is designed primarily for 2D gaming and home entertainment.
What should I do if the projector overheats?
Ensure the air vents are not blocked and the air filter is clean. The projector will automatically turn off if internal temperatures exceed safe limits. Place it in a well-ventilated area with clearance of 30 cm on all sides.
Can I adjust the image size without moving the projector?
The TH690ST has a fixed zoom (optical zoom 1.2x) so you need to physically move the projector to adjust image size. Keystone correction is available for vertical alignment only.
What is the warranty period for the BenQ TH690ST?
BenQ offers a standard 2-year limited warranty for projectors, and an additional 1-year or 2000-hour lamp warranty (whichever comes first). Check regional terms.
How do I connect external speakers to the TH690ST?
Use the Audio Out (3.5mm) port on the back of the projector to connect powered speakers or an audio system. The built-in speaker is 5W.
User questions about TH690ST BENQ
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Video projector in PDF format for free! Find your manual TH690ST - BENQ and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. TH690ST by BENQ.