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BenQ PB7200/ PB7220/ PB7100 User's Manual
TROUBLESHOOTING
Common Problems & Solutions
NO POWER
Try these solutions:
•
Make sure the power cord is inserted snuged into the AC adapter socket.
•
Make sure the power cord is inserted snuged into the power outlet.
•
Toggle the power switch to the position "1".
•
Wait two minutes after the projector is turned off before turning the projector
back on.
NO PICTURE
Try these solutions:
•
Check for the proper input source.
•
Ensure all cables are connected properly.
•
Adjust the brightness and contrast.
•
Remove the lens cap.
TRAPEZOID IMAGE ON THE SCREEN
Try these solutions:
•
Reposition the unit to improve its angle on the screen.
•
Use the Keystone correction key on the control panel of the projector or the
remote control unit.
POOR COLOR
Try these solutions:
•
Select the correct video system.
•
Adjust brightness, contrast, or saturation.
BLURRED IMAGE
Try these solutions:
•
Press Auto on the control panel of the projector or the remote control unit to
get better picture quality.
•
Adjust the focus.
•
Reposition the unit to improve its projection angle.
•
Ensure the distance between the unit and screen is within the adjustment range of
the lens.
28
Troubleshooting
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