3M Multimedia Projector Mp8640 Operators Manual

							© 3M 1997 3Mª Multimedia Projector MP8640
5.3 Connection to the Control Signal Terminal
ADB mouse
ADB port
D-sub 15pin (Female)
PS/2 mouse
PS/2 port
D-sub 15pin (Female)
a. Mouse emulation
(1) While the projector and computer are turned OFF, connect the projector and the mouse terminal of
computer using an appropriate cable.  (PS/2, Serial or ADB)
(2) Turn ON the projector.
(3) Turn ON the computer.
(4) Select the correct mouse driver for the application.  See computers User Manual for this procedure.
Note: In some Notebook computers which have internal pointing device, mouse emulation will not work unless
the internal pointing device is disabled.  In this case, disable the internal pointing device in BIOS setting.
Check the computers manual for procedure to follow to disable internal pointing device in BIOS setting.
Caution: Turn off the power to both the projector and computer before connecting.
Connect the computer to the control terminal of the projector using the appropriate cable.
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							3Mª Multimedia Projector MP8640© 3M 1997
Serial  mouse
5.3 Connection to the Control Signal Terminal  (continued)
b. RS 232 Control Cable  (not included with basic packout)
  This cable is used to directly control the projector without using the Remote Control or Operators Panel.
D-sub 15pin (Female)
D-sub 15pin (Female)
Serial Mouse cable
RS-232 cable
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(male)
(male) 
						

							© 3M 1997 3Mª Multimedia Projector MP8640
Section 6: Maintenance
6.1 Cleaning the Air Filter
Note:Clean the air filter about every 50 hours.
a) Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.
b) Remove the air filter from the bottom of projector.  Unscrew two retaining screws and pull down and
out on the handle to free air cleaner door.  Carefully lift up and out on filter door.
ON indicator
LAMP indicator
TEMP indicator
Indicator status
Lights orange
Blinks green
Lights green
Blinks orange
Lights red
Blinks red
Lights red
Blinks redMeaning
Standby mode
During warming up
During operation
During cooling down
Lamp cannot light
Air filter open
Temperature inside too high
Cooling fan not operatingRemedy
normal
normal
normal
normal
Cool projector by power off for 20 minutes.
Ensure filter is closed.
Let projector cool 20 minutes.  Check air flow and filter.
call your dealer
6.2 Message Table
a) On Screen Display.  The following messages are displayed on the screen:
NO SIGNAL IS DETECTED: The projector is not detecting a signal.
SYNC IS OUT OF RANGE:The horizontal frequency of the input signal exceeds the range
of the projector, or it cannot be displayed.
CHANGE THE LAMP:Change when the lamp message appears on the screen.  See
Section 6.3 for more information.
b) Indicator Display.  The ON indicator, LAMP indicator and TEMP indicator will light or blink in the
following cases:
*When the LAMP indicator lights or blinks, turn the power off.  If the problem persists, contact your dealer.
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c) Clean the air filter using a vacuum cleaner.   If dirt is still present, wipe the air filter with a cloth
moistened with water and wipe with a dry lint-free cloth.
d) After filter dries completely, re-install the air filter.
Note: If air flow is restricted due to dust accumulation on filter, the projector may shut down due to over heating.
Remove the air filter 
						

							3Mª Multimedia Projector MP8640© 3M 1997
6.3 Lamp
The following symptoms may indicate a lamp in need of replacement:
¥ A dark picture.
¥ LAMP indicator lights up red.
¥ CHANGE THE LAMP message appears on the screen.
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Replacing the Lamp
 Warning: Always turn off and unplug projector when
changing lamp.
 Warning: Lamp and adjacent metal parts become
extremely hot and can cause severe burns to your
fingers.  Allow the projector to cool for at least 30
minutes before replacing the lamp.
6.3.1Remove lamp access door:  The lamp access door is located
on the bottom of the machine on the right side.  Use a flathead
screwdriver to unscrew the cover retaining screws and gently
open the cover and set it aside. .
6.3.2Retaining screws:  Use a standard screwdriver to unscrew
the lamp module retaining screws.
Note:  There are three lamp module screws that must be
loosened.  These screws are self-containing screws that
cannot be removed from the lamp module.
Display Lamp Operation Hours
If there is a need to determine the lamp operation hours,  follow these steps:
a) While the projector is running, press and hold the timer button on the remote control for 3 seconds.
b) The operating time of the lamp will be displayed.  If the operating hours are greater than 1,900 the
CHANGE THE LAMP message will appear.  If the hours are greater than 1,980 the following
message will appear, POWER WILL SHUT OFF IN 
20 HOURS  The number of hours left until
shut down will decrease until 
0 hour is reached, then power will be turned off.
Note:After 2000 hours, the projector will only run for 10 minute intervals when restarted until the lamp is
replaced and the lamp timer is reset.
c) To reset the timer, press the reset button and select 
0 (or CANCEL).  The CHANGE THE LAMP
message will not come up if the timer is reset. 
						

							© 3M 1997 3Mª Multimedia Projector MP8640
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 blinksred.
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.
¥ 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 will not ignite.
¥ Temperature inside projector is 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.
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.
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Picture is displayed
with no sound
6.4 When You Think Something Is Wrong
Check the following table before asking for service.  If a solution cannot be found, consult dealer. 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. 
						

							3Mª Multimedia Projector MP8640© 3M 1997
Product name
Model Name
Display system
Panel size
Drive system
Number of pixels
Lens
Lamp
Speaker
Power supply
Power consumption
Usable temperature range
Dimensions
Weight
video signal input
terminal
RGB input/output
signal terminal
Control terminal
Section 7: Technical Specifications
7.1 Specifications
Note:All specifications are subject to change without notice.
Multimedia projector
MP8640
3 beam poly-silicon LCD
1.3 inches (33 mm)
TFT active matrix
480,000 pixels (V600 ´ H800) per panel.     1.44 million pixels total with 3 panels.
F/Number:  F/2.3 Ð F/3.0                 Focal Length:  F = 48.1 Ð 72.1 mm  (1.9 Ð 2.8)
Metal halide lamp 260W
2W and 2W (stereo)
AC100 ~ 120V, 5A / AC220 ~ 240V, 2.2A (Universal)
370W
32° ~ 95°F  (0° ~ 35°C)
16.3 (W) ´ 5.9 (H) ´ 12.0 (D) 414 mm (W) x 150 mm (H) x 305 mm (D)
18 lbs. (8.1 kg)
S VIDEO : Mini DIN4-pin terminal
VIDEO : RCA Jack terminal
AUDIO : RCA Jack terminal
RGB signal : D-sub 15pin (Female)
AUDIO : Stereo mini jack
D-sub 15pin (Male) Liquid crystal
panel
Input/Output
terminal
7.2 Accessories
¥ Metal halide lamp module, 260 W
¥ Power cord (US)
¥ Power cord (UK)
¥ Power cord (Germany)
¥ VGA cable
¥ MAC adapter
¥ S-video cable
¥ 3-conductor video/audio cable
¥ Serial mouse cable
¥ PS/2 mouse cable
¥ ADB mouse cable
¥ RS 232 control cable
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Part Number
78-6969-8425-7
26-1011-8852-7
78-8118-3304-1
78-8118-3303-3
26-1011-3421-6
78-1011-3308-2
26-1011-3419-0
78-8118-3306-6
78-8118-3315-7
78-8118-3313-2
78-8118-3314-0
78-8118-3312-4 (not included with basic packout) 
						

							© 3M 1997 3Mª Multimedia Projector MP8640
7.3 Dimension Diagram
27 
						

							3Mª Multimedia Projector MP8640© 3M 199728 3M Austin Center
Building A145-5N-01
6801 River Place Blvd.
Austin, TX 78726-90003M Canada
P.O. Box 5757
London, Ontario
N6A 4T13M Mexico, S.A. de C.V.
Apartado Postal 14-139
Mexico, D.F.  07000
Mexico3M Europe
Boulevard de lOise
95006 Cerge Pontoise Cedex
FranceLitho in USA
© 3M 1997  78-6970-7912-3
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