BenQ PB7220 User Manual - Page 32

Troubleshooting

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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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Troubleshooting
28
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.