6.3.3Remove lamp module: Grasp the lamp module with the one hand and the projector body opening with the other hand. Apply pressure to the projector body as you slide the lamp out.
6.3.4Insert 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.
6.4 When You Think Something Is Wrong
Check the following table before asking for service. If a solution cannot be found, consult dealer.
Symptom | Cause | Solution |
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Power cannot be turned | • The Main power is not turned on. | • Turn the MAIN POWER switch on. |
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on. | • The power cord is disconnected. | • Insert the power cord into an AC socket. |
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|
| ||
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|
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No picture and sound | • The setting of the input source is not | • Set the correct input using the input select button |
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| correct. | of the projector or the remote control. |
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| •RGB/Video/Audio wiring to projector is | • Connect the cable correctly. |
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| not correct. |
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|
|
|
|
|
Sound is heard with | • RGB/Video wiring to projector is not correct. | • Connect the cable correctly. |
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• Press the MENU button and increase |
| ||
no picture |
|
| |
| • The brightness is set fully to dark. | BRIGHTNESS. |
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|
|
|
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Picture is displayed | • Audio wiring to projector is not correct. | • Connect the cable correctly. |
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• The volume is set to minimum. |
| ||
• Press the VOL button and increase VOLUME. |
| ||
with no sound |
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| • The unit is muted. | • Press the MUTE button. |
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|
|
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Color is weak and tint is | • The color and tint have been adjusted | • Adjust the color and tint correctly. |
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incorrect | incorrectly. |
| |
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| ||
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|
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Picture is dark | • The brightness and contrast has been | • Adjust the brightness and contrast correctly. |
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| adjusted incorrectly. |
| |
|
|
| |
| • The lamp needs to be replaced. | • Replace the lamp with a new one. |
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|
|
| |
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|
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Picture is not clear | • Projector is out of focus. | • Adjust the focus. |
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LAMP indicator lights | • Lamp will not ignite. | • Turn off power and let cool for 20 minutes, then restart. |
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red. | • If problem persists call your dealer. |
| |
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TEMP indicator lights | • Temperature inside projector is too hot. | • Do not block the ventilation holes. |
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red. |
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| • Clean air filter |
| |
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|
| |
LAMP indicator blinks | • Air filter door on bottom of case is open. | • Ensure air filter door is closed. |
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red. |
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| |
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© 3M 1997 | 3M™ Multimedia Projector MP8640 |
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