PB7230 - Video projector BENQ - Free user manual and instructions
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| Product Type | Video Projector |
| Brand | BenQ |
| Model | PB7230 |
| Display Technology | DLP |
| Resolution | XGA (1024 x 768) |
| Brightness | 2500 ANSI Lumens |
| Contrast Ratio | 2000:1 |
| Lamp Type | 200W UHP |
| Lamp Life | 3000 hours (Normal), 4000 hours (Eco) |
| Dimensions (W x D x H) | 30.5 x 22.5 x 9.5 cm |
| Weight | 2.9 kg |
| Power Consumption | 285W (Normal), <1W (Standby) |
| Inputs | VGA, S-Video, Composite Video, Audio In |
| Outputs | VGA Monitor Out, Audio Out |
| Keystone Correction | Vertical ±20° |
| Zoom Ratio | 1.2x Manual |
| Noise Level | 33 dB (Normal), 28 dB (Eco) |
| Cleaning Instructions | Clean lens with soft cloth; clean air filter monthly. |
| Spare Parts Availability | Replacement lamps available; filter kits sold separately. |
| Repairability | Lamp and filter user-replaceable; other repairs by qualified technician. |
Frequently Asked Questions - PB7230 BENQ
How do I replace the lamp on the BenQ PB7230?
Turn off the projector and unplug it. Wait for the lamp to cool. Remove the lamp cover on the bottom, unscrew the lamp module, disconnect the cable, and pull it out. Insert the new lamp, reconnect the cable, screw it in, and replace the cover. Reset the lamp timer via the OSD menu.
What should I do if the projector doesn't turn on?
Check the power cable connection and ensure the outlet works. Verify the power switch is on. If the LED indicator flashes, refer to the manual for error codes. A common issue is the lamp reaching end of life; replace if needed.
How can I clean the air filter?
Turn off the projector and unplug it. Locate the filter cover (usually on the side or bottom). Remove the filter and gently vacuum or wash with mild soap and water. Let it dry completely before reinstalling. Clean every 100 hours of use.
What video inputs does the PB7230 support?
The projector has VGA (D-Sub), S-Video, and Composite Video (RCA) inputs. It also has an audio input for the built-in speaker. For digital signals, you may need an adapter.
How do I adjust the keystone correction?
Press the 'Keystone' button on the remote or keypad. Use the arrow keys to adjust vertical keystone from -20° to +20°. For best image quality, keep keystone correction minimal.
Why is the image blurry?
Adjust the focus ring on the lens. Ensure the projector is at the correct distance from the screen (refer to throw ratio). Clean the lens with a soft, dry cloth. Check that the input resolution matches the projector's native resolution (1024x768).
Can I connect a laptop via HDMI?
The PB7230 does not have an HDMI port. Use a VGA cable from your laptop to the projector. If your laptop only has HDMI, use a passive HDMI-to-VGA adapter with an audio breakout if needed.
What is the recommended screen size?
Screen size depends on distance. With a 1.2x zoom, you can achieve a 60-100 inch diagonal from about 2 to 4 meters. For optimal brightness and contrast, aim for 80-100 inches in a dark room.
How do I reset the lamp timer?
After replacing the lamp, access the OSD menu: press 'Menu', go to 'System Setup' > 'Lamp Settings'. Select 'Reset Lamp Timer' and confirm. This clears the accumulated hours and prevents false warnings.
The image shows strange colors. What's wrong?
Check the input cable connections; reseat if loose. Verify the color settings in the OSD menu (Color Temperature, Picture Mode). If using a VGA cable, ensure it is fully inserted. The projector may need a factory reset via the menu.
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USER MANUAL PB7230 BENQ
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Product information
Brand : BENQ
Model : PB7230
Category : Video projector