BenQ PB2220/ PB2120 User’s Guide
TROUBLESHOOTING
Common Problems & Solutions
PROBLEMS | TRY THESE SOLUTIONS | |
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| • Plug the power cord into the AC inlet. | |
NO POWER | • Plug the power cord into the power inlet. | |
• Wait two minutes after the projector is turned off before turning | ||
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| the projector back on. | |
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| • Check for the proper input source. | |
NO PICTURE | • Ensure all cables are connected properly. | |
• Adjust the brightness and contrast. | ||
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| • Remove the lens cap. | |
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TRAPEZOID | • Reposition the unit to improve its angle on the screen. | |
IMAGE ON | • Use the Keystone correction key on the control panel of the | |
THE SCREEN | projector or the remote control unit. | |
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POOR COLOR | • Select the correct video system. | |
• Adjust brightness, contrast, or saturation. | ||
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| • Press Auto on the control panel of the projector or the remote | |
| control unit to get better picture quality. | |
BLURRED | • Adjust the focus. | |
IMAGE | • Reposition the unit to improve its projection angle. | |
| • Ensure the distance between the unit and screen is within the | |
| adjustment range of the lens. | |
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REMOTE | • Replace the batteries with new ones. | |
• Make sure there is no obstacle between the remote control and | ||
CONTROL | ||
the unit. | ||
DOES NOT | ||
• Stand within 6 meters (19.5 feet) of the projector. | ||
WORK | ||
• Make sure nothing blocking the front and rear receivers. | ||
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24 Troubleshooting