Troubleshooting

PROBLEMS

SOLUTIONS

 

 

 

Plug the power cord into the AC inlet.

NO POWER

Plug the power cord into the power inlet.

 

Wait 2 minutes after turning off the projector before turning it back on.

 

 

 

Check that you have selected the proper input source to project.

NO PICTURE

Ensure that all cables are connected properly.

Adjust the brightness and contrast.

 

 

Remove the lens cap.

 

 

IMAGE ISN'T SQUARE ON

Reposition the unit to improve its angle to the screen.

SCREEN

Is the vertical offset properly corrected using the keystone function?

 

 

POOR COLOR

Select the correct video system.

Adjust the brightness, contrast, and saturation.

 

 

 

 

Adjust the focus.

IMAGE IS BLURRED

Reposition the unit to improve its angle to the screen.

Ensure that the distance between the unit and the screen is within the

 

 

adjustment range of the lens.

 

 

 

Replace the batteries with new ones.

REMOTE CONTROL

Make sure there are no obstacles between the remote control and the unit.

DOESN'T WORK

Operate remote control within 4 meters (13 feet) of the unit.

 

Make sure nothing blocks the receiver on the control pad.

 

 

 

Check the audio cable connection from audio input source.

NO SOUND

Adjust the audio source.

Press VOLUME (+) button.

 

 

Press MUTE button.

 

 

© 3M IPC 2001

3MPersonal Projector MP7630B/MP7730B

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3M MP7630B, MP7730B manual Troubleshooting, Problems Solutions