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20 3M
Multimedia Projector MP8760 3M IPC 2000
ENGLISH
Section 7: Troubleshooting
7-1. Troubleshooting Problems and Solutions
Problem Probable Cause Possible Solution
Projector will not turn
on.
Power cable is
disconnected or not
plugged in.
Main power switch is
not on.
The ?inner fuses? are
open?
Plug the power cable into an AC outlet.
Turn the main power switch to the ON postion.
Send the unit to be repaired.
Image is disturbed or
unstable.
Wrong Sync setting.
Wrong Tracking
value.
Set to factory default setting. (See below!)
Change Sync setting in the Picture menu for optimum
performance
For vertical interference stripes, change the Tracking in the
Picture menu for optimum performance.
No computer image
projected. Message
Looking for signal
... displays.
Loose cable.
No power to
computer.
Wrong synchro-
nization mode.
Check and secure cable connections.
Turn on computer.
Adjust synchronization mode of the projector to the synchro-
nization mode of the computer via Advanced Setup menu.
No video image
projected.
Loose cable.
No signal from video
source.
Check and secure cable connections.
Check video picture on TV.
No video images are
projected or the
video image ?does
something? and
turns off.
The video source is
sending a video
signal and the
projector cannot
automatically select
the video standard in
use.
In the submenu Video Standard? in the Advanced Setup
menu, manually change the video standard from Automatic to
the type of standard in use.
Mouse does not
work.
Loose cable.
Wrong connection.
Wrong power up
sequence.
Check and secure cable connections.
For PS/2 and ADB (Apple) mouse a special adapter is
necessary. Only use adapters from the original manufacturer
(Section 8-2).
The mouse emulation operates correctly only if the correct
power up sequence has been used (refer to section 3-5.) To
verify that the projector is programmed for the desired mouse
emulation mode, go to the Screen Parameters? In the
Advanced Setup/Test submenu. Check that the parameter
MTPE presents the desired mouse mode. This is not a
selection, but a ???? that shows the type of mouse emulation
with which the projector is programmed to communicate.
The lamp turns off,
the Standby button
and LED lights up
and stays green as
the fan cools the
unit, and the unit
goes into Standby
Mode.
The air intake or
exhaust vents are
blocked.
The air filter is dirty.
Clear all obstructions from the air intake and exhaust vents.
Clean or replace the filter.
The lamp turns off,
the unit goes into
Standby Mode, and
the fan ????s more
rapidly.
The air intake or
exhaust vents are
blocked.
The air filter is dirty.
Clear all obstructions from the air intake and exhaust vents.
Clean or replace the filter.
Note: It is necessary to turn the projector off and on with the main power switch before restarting the projector.
The lamp turns off,
the Standby button
blinks red for a few
seconds, and the
unit goes into
Standby Mode.
The air intake or
exhaust vents are
blocked.
The air filter is dirty.
Clear all obstructions from the air intake and exhaust vents.
Clean or replace the filter.
25


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