3M MP8610 manual Troubleshooting Problems

Section 8: Troubleshooting

8-1. Troubleshooting Problems

The MP8610 has been designed to be as simple and as trouble free to use as possible. If you run into problems when using the MP8610, consult the following chart.

Problem	Probable Cause		Possible Solution
Image is disturbed or	∙	Wrong Sync setting.	∙ Set to factory default setting (refer to Appendix C-2).
unstable.			∙ Change Sync setting in the Setup menu for optimum
	∙		performance (refer to Appendix C-1).
		Wrong Tracking	∙ For vertical interference stripes, change the Tracking in
		value.	the Setup menu for optimum performance (refer to
			Appendix C-1).
No computer image	∙	Loose cable.	∙ Check and secure cable connections.
projected. Message	∙	No power to computer.	∙ Turn on computer.
No input detected is	∙	Wrong synchronization	∙ Adjust synchronization mode of the projector to the
shown.		mode.	synchronization mode of the computer via Option menu.
No video image	∙	Loose cable.	∙ Check and secure cable connections.
projected.	∙	No signal from video	∙ Check video picture on TV.
		source.
Mouse does not work.	∙	Loose cable.	∙ Check and secure cable connections.
	∙	Wrong connection.	∙ For PS/2 and ADB (Apple) mouse a special adapter is
			necessary. Only use adapters from the original
			manufacturer (refer to section 3-5.).
	∙	Wrong power up	∙ The mouse emulation operates correctly only if the correct
		sequence.	power up sequence has been used (refer to section 3-5.)
Image off-center.	∙	Image position.	∙ Center image with the arrow keys of the control panel or
			the disc pad on the remote control.
Cannot get entire	∙	Wrong Tracking	∙ If vertical interference stripes occur, change the Tracking
image on the screen.		value.	value in the Setup menu for optimum performance.
	∙	Compatibility	∙ Refer to the documentation of your graphic card. The
		problem.	projector supports the resolutions that can be found under
			Pixel in the Setup menu (refer to Appendix C-2).
	∙		∙ Adjust the Pixel setting in the Setup menu to the
		Wrong Pixel setting.	resolution of the video mode output from the computer
			graphic card.
Washed out image.	∙	Wrong Contrast	∙ Change Contrast setting in the Setup menu. The bar
		setting.	should be in the middle position.
	∙	Wrong Brightness	∙ Lower Brightness setting in the Setup menu. An automatic
		setting.	adjustment can be performed by choosing Brightness and
			pressing Enter.
Humming noise.	∙	Signal sources are	∙ Locate the source of disturbance. Disconnect the sources
Slowly passing		connected to different	one after another from the projector. Connect all sources to
horizontal bars.		power sources.	a common power source.
	∙	VCR connected to	∙ Remove antenna connection from VCR. If the disturbance
		aerial system and to	disappears, use a by-pass filter (isolating transformer) to
		projector.	connect the antenna to the VCR.
	∙	Bad signal.	∙ Try different input source.
No power	∙	Power switch off.	∙ Turn on power switch to projector.
Power shuts off	∙	Projector overheated.	∙ Remove any objects blocking ventilation and allow
during presentation			projector to cool down. Power will return and projector
			will be in Standby mode.
© 3M 1998		3M™ Multimedia ProjectorMP8610		17