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© 3M 1997 3M
Multimedia Projector MP8630
Symptom
No picture and sound
Color is weak and tint is
incorrect
Picture is dark
Picture is not clear
LAMP indicator lights
red
TEMP indicator lights
red
LAMP indicator blinks
red
Cause
The Main power is not turned on.
The power cord is disconnected.
The setting of the input source is not
correct.
•RGB/Video/Audio wiring to projector is
not correct.
RGB/Video wiring to projector is not correct.
The brightness is set fully to dark side.
Audio wiring to projector is not correct.
The volume is set to minimum.
The unit is muted.
• The color and tint have been adjusted
incorrectly.
The brightness and contrast has been
adjusted incorrectly.
The lamp needs to be replaced.
• Projector is out of focus.
• Lamp is too hot.
• Inside the projector too hot.
• Air filter door on bottom of case is open.
Solution
Turn the MAIN POWER switch on.
Insert the power cord into an AC socket.
Set the correct input using the input select button
of the projector or the remote control.
Connect the cable correctly.
Connect the cable correctly.
Press the MENU button and increase
BRIGHTNESS.
Connect the cable correctly.
Press the VOL button and increase VOLUME.
Press the MUTE button.
• Adjust the color and tint correctly.
Adjust the brightness and contrast correctly.
Replace the lamp with a new one.
• Adjust the focus.
• Turn off power and let cool for 20 minutes, then restart.
• If problem persists call your dealer.
• Do not block the ventilation holes.
• Clean air filter
• Ensure air filter door is closed.
Sound is heard with
no picture
Power cannot be turned
on
25
Picture is displayed
with no sound
6.4 When You Think Something Is Wrong
Check the following again before asking for service. If a solution cannot be found, consult dealer.
6.3.4. Insert lamp module: Carefully insert the new lamp module.
Ensure that it is fully seated.
Tighten the lamp module retaining screws to secure the lamp
module in place.
Insert the hinge tabs on the left side of the lamp access door, then
close and tighten the retaining screws to secure the door
25


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