3M Multimedia Projector Mp8770 Operators Manual

							3M™ Multimedia Projector MP8770© 3M 2000
ENGLISH
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MP8770
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MP8770PORTABLE PROJECTOR
EPS-132A
Power
1
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3
5.1 Cleaning the Air Filter
✔ Note
Clean the air filter about every 50 hours, if air is restricted due to dust accumulation on filter, the projector may
shut down due to overheating.
1. Turn off the MAIN POWER switch of the projector and pull out power cord (1). Let cool for 20 minutes.
2. Push tab (2) and remove the air filter cover (3) from the front of projector.
3. Lift retainer wire (4) and carefully remove foam air filter (5).
4. Vacuum (6) dust and dirt from filter.
5. Re-install air filter and replace air filter door.
Section 5: Maintenance
Figure 5.1  Remove Air Filter 
						

							© 3M 2000 3M™ Multimedia Projector MP8770
ENGLISH
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6.1 Lamp
The following symptoms may indicate a lamp in need of replacement:
•LAMP indicator lights up red.
•"CHANGE THE LAMP" message appears on the screen.
✔ Note
This lamp contains mercury. Consult your local hazardous waste regulations and dispose of this lamp in a
proper manner.
6.2 Display Lamp Operation Hours
To determine the lamp operation hours, follow these steps:
1. While the projector is running, press and hold the TIMER button on the remote control for 3 seconds.
2. The operating time of the lamp will be displayed.  The message "CHANGE THE LAMP, AFTER
REPLACING LAMP RESET THE LAMP TIMER" will appear after the lamp operating hours have reached
the end of the normal lamp life. The message "POWER WILL TURN OFF AFTER 
20 HOURS" will appear
when 20 or less lamp hours remain. The number of hours left until shut down will decrease until 
0 hour is
reached, then power will be turned off.
✔ Note
After normal lamp operating time has expired, the projector will only run for 10 minute intervals when restarted
until the lamp is replaced and the lamp timer is reset. The message CHANGE THE LAMP will blink at
projector start up to remind you to change the lamp.
6.3 Reset Lamp Hours
1. To display the total lamp hours, press and hold for 3 seconds, the RESET button on the projector or Timer
button on the remote control.
2. To reset the lamp timer, press the RESET button on the projector or MENU button on the remote while the
total lamp hours are displayed. Use the arrow button on the projector or the DISC PAD to select 0 (or
CANCEL).
Section 6: Lamp 
						

							3M™ Multimedia Projector MP8770© 3M 2000
ENGLISH
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✔ Note
For maximum lamp life, do not apply shock, handle or scratch the lamp glass when it is hot. Also, do not use an
old or previously used lamp as a replacement lamp.
1.Remove lamp access door: The lamp access door is located on the bottom of the machine.Use a screwdriver to unscrew
the cover retaining screw (1) and gently remove the cover (2) and set it aside.
2.Retaining screws:  Use a screwdriver to unscrew the lamp module retaining screws. (3)
✔ Note
All lamp module screws must be loosened.  These screws are self-containing screws that cannot be removed
from the lamp module or access door.
3.Remove lamp module:  Carefully slide the lamp module out (4) using steady pressure.
4.Insert lamp module:  Carefully insert (4) the new lamp module. Ensure that it is fully seated. Tighten the
lamp module retaining screws (3) to secure the lamp module in place.
Insert the hinge tabs on the bottom of the lamp access door, then close and tighten the retaining screw
(1) to secure the door.
✔ Note
Reset the lamp operation hours. See section 6.3 for details.
To reduce the risk of severe burns, allow the projector to cool for at least 30 minutes before replacing the
lamp.
To reduce the risk of cuts to fingers and damage to internal components, use caution when removing lamp
glass that has failed and shattered into sharp pieces.
  Caution
1
2
33
4
EPS-98A
  WARNING
To reduce the risk of electrical shock, always turn off projector and disconnect power cord before changing
lamp.
6.4 Replacing the Lamp
To reduce the risk of cuts to fingers from sharp metal fittings and/or decreasing image quality by touching the
lens, do not insert hand into the empty lamp compartment when the lamp has been removed.
  Caution
Figure 6.1  Lamp Module 
						

							© 3M 2000 3M™ Multimedia Projector MP8770
ENGLISH
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Power cannot be turned
on.
No picture and sound.
Sound is heard with no
picture.
Picture is displayed with
no sound.
Color is weak and tint  is
incorrect.
Picture is dark.
Picture is not clear.
LAMP indicator lights
red.
LAMP indicator blinks
red.
TEMP indicator blinks
red.
Section 7: Troubleshooting
•The Main power is not turned on.
•The power cord is disconnected.
•60 seconds have not elapsed since
the power was turned off.
•The setting of the input source is
not  correct.
•RGB/Video/Audio wiring to
projector is not correct.
•RGB/Video/Audio wiring to
projector is not correct.
•The brightness is set fully to dark.
•Lens cap is on.
•Audio wiring to projector is not
correct.
•The volume is set to minimum.
•The unit is muted.
•PinP is on and audio is switched to
VIDEO mode.
•The color and tint have been
adjusted incorrectly.
•The brightness and contrast has
not been adjusted correctly.
•The lamp needs to be replaced.
•Projector is out of focus.
•Lamp will not ignite.
• Temperature inside projector is too
hot.
•Lamp access door on bottom of
case is open.
• The lamp operating hours have
reached maximum operating hours.
• Cooling fan not operating.
Cause
Symptom
•Turn the MAIN POWER switch on.
•Insert the power cord into an AC socket.
•Wait 60 seconds before turning on power.
•Set the correct input using the input select button of
the projector or the remote control.
•Connect the cable to correct input/output source.
•Connect the cable to correct input/output source.
•Press the MENU button and increase BRIGHTNESS.
•Remove lens cap.
•Connect the cable to correct input/output source.
•Press the VOL button to increase Volume.
•Press the MUTE button.
•Press VOLUME and move DISC PAD to switch to
audio input.
• Adjust the color and tint correctly.
•Adjust the brightness and contrast correctly.
•Replace the lamp with a new one.
• Adjust the focus and H PHASE.
• Turn off power and let cool for 20 minutes, then
restart.
• If problem persists call your dealer.
• Clear blocked ventilation holes.
• Clean air filter.
• Ensure lamp access door is closed.
• Replace the lamp.
• Contact your dealer.
Solution
7.1 Symptom/Solution Table 
						

							3M™ Multimedia Projector MP8770© 3M 2000
ENGLISH
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NO INPUT IS
DETECTED.
SYNC is out of Range.
CHANGE THE  LAMP.
CALL A  MAINTENANCE
PERSON.
CHANGE THE  LAMP.
CALL A MAINTENANCE
PERSON.
THE POWER WILL
TURN OFF AFTER *hr.
CHANGE THE  LAMP.
(Blinking message)The projector is not detecting a signal.
The horizontal frequency of input signal
exceeds projector capability.
Nearing end of normal lamp operation
time.
Remaining lamp operation time = 20
hours or less.
*Indicates number of hours until power
turns off automatically.
Normal lamp operating time has
expired. Safety feature shuts projector
down after 10 minutes.Check cable connections to input device. Input device
not connected to this input mode, switch to next mode.
Switch projector to correct resolution.
See Appendix A.5
Change the projector lamp and reset the lamp
operation hours to zero.
Change the projection lamp and reset the lamp
operation hours to zero.
Change the projector lamp and reset the lamp
operation  hours to zero.
7.2 Message/Solution Table
Error Message
DisplaysCause Solution 
						

							© 3M 2000 3M™ Multimedia Projector MP8770
ENGLISH
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Section 8: Accessories
8.1 Service Information
For product information, product assistance, service information, or to order accessories, please call:
In U.S. or Canada:  1-800-328-1371
In other locations, contact your local 3M Sales office.
AccessoriesPart Number
Ultra-high performance lamp module, 190 W. . . . . . . . . . . . . . . . . . . . . 
78-6969-8919-9
Power cord (US). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
DY-0205-1356-9
Power cord (UK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
DY-0205-1355-1
Power cord (Eu). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
DY-0205-1354-4
VGA cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-3401-5
MAC adapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-3308-2
S-video cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-3238-1
3-conductor video/audio cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-3234-0
Serial mouse cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8107-3
PS/2 mouse cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8105-7
ADB mouse cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8016-5
Stereo mini jack cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8104-0
Remote Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8246-9
Not Included with Basic PacketPart Number
Ceiling mount. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-6969-8748-2
Adjustable height suspension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-6969-8312-7
Shipping case. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-6969-8584-1
Soft carry case. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-6969-8585-8
RS-232 control cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-3312-4
USB mouse cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
78-8118-8186-7
Document Camera - 120 VAC 60 Hz (optional). . . . . . . . . . . . . . . . . . . 
78-6969-8578-3
Document Camera - 220 VAC 50 Hz (optional). . . . . . . . . . . . . . . . . . . 
78-6969-8724-3
How to Order
Please order these parts through your dealer, or contact 3M Customer Service at the following number:
In U.S. or Canada: 1-800-328-1371
In other locations, contact your 3M Sales office.
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The contents of this manual are subject to revision without prior notice.
3M assumes no responsibility for the infringement of special rights of a third party or other rights that may arise out of the
information contained in this manual.
Reproduction of this manual in any form without prior permission is strictly prohibited.
3M will replace the manual if any pages are missing or collated incorrectly. 
						

							© 3M 2000  3M™ Multimedia Projector MP8755
TECHNICAL
A-1
Product name
Model Name
Display system
Panel size
Drive system
Number of pixels
Lens
Lamp
Speaker (stereo)
Power supply
Power consumption
Operating temperature range
Dimensions
Weight
video signal input
terminal
RGB input/output
signal terminal
Control terminal
USB terminal
Appendix:   T echnical Information
Table of Contents
A.1   Technical Speci fications
A.2   Dimensions
A.3   Projecto r-to-Sc reen Distance
A.4   Connection to the  V ideo Signal  T erminal
A.5   Connection to the RGB Signal  T er minal
A.6   Indicator Status
A.7   Connection to the Cont rol Signal  T erminal
A.1    Technical Specifications
✔  Note
All specifications are subject to change without notice.
Multimedia projector
MP8755
3 LCD panels, RGB shutter system.
33 mm (1.3 in.)
TFT active matrix
786,432 pixels (H1024  × V768) per panel.     2.3 million total pixels with 3 panels.
F/Number:  F/1.7 – F/2.3                 Focal Length:  F = 49 – 6\
4 mm  (
2 in. – 2.5 in.)
Ultra-high brightness lamp 190W, UHB
2 x 1.2 watt
AC100  ∼ 120V, 3.7A / AC220  ∼ 240V, 1.5A (Universal)
320W
32 ° ∼  95 °F  (0 ° ~ 35 °C)
11.5 in. (W) x 5 in. (H) x 13.8 in. (D)                (D) Does \
not include lens.
289 mm (W) x 124 mm (H) x 345 mm (D)
5.9 kg (13 lbs.)
S VIDEO : Mini DIN 4pin terminal
VIDEO : RCA Jack terminal
AUDIO : RCA Jack terminal
RGB signal : D-sub 15pin (Female)
AUDIO : Stereo mini jack
D-sub 15pin (Male)
B TYPE
Liquid crystal
panel
Input/Output
terminal 
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-2
A.2    Dimensions
289 mm
(11.5 in.)
345 mm
(13.8 in.)
124 mm
(5 in.)
68 mm
(2.7 in.)
31 mm
(1.2 in.)
EPS-99A
OI
12AUDIO
OUT AUDIO IN
12RGB IN
VIDEO INS-VIDEO IN
MONORAUDIO IN
MD05551MD05401
CONTROL RGB OUT
USB
MOUSE
R
+ZOOMMUTEINPUT
STANDBY ONRESETLAMP POWER TEMP
MENU
+FOCUS
3MP8755
PORTABLE PROJECTOR
3MP8755 
						

							© 3M 2000 3M™ Multimedia Projector MP8755
TECHNICAL
A-3
✔ Note
These sizes are ± 1%.  This is due to variations in the manufacture of the lens.  If you are close to one of the
endpoints you should verify with your unit that the image is the proper size at the proper distance.
A.3     Projector-to-Screen Distance
Example of the Multimedia projector and screen installation.  Determine picture size and projection distance as
shown below.
Screen Size Distance to Screen
Width Height Diagonal Minimum Maximum
81 cm 61 cm 102 cm 140 cm 186 cm
(32 in.) (24 in.) (40 in.) (4.6 ft) (6.1 ft)
122 cm 91 cm 152 cm 216 cm 290 cm
(48 in.) (36 in.) (60 in.) (7.1 ft) (9.5 ft)
163 cm 122 cm 203 cm 290 cm 384 cm
(64 in.) (48 in.) (80 in.) (9.5 ft) (12.6 ft)
203 cm 152 cm 254 cm 366 cm 485 cm
(80 in.) (60 in.) (100 in.) (12.0 ft) (15.9 ft)
244 cm 183 cm 305 cm 448 cm 588 cm
(96 in.) (72 in.) (120 in.) (14.7 ft) (19.3 ft)
305 cm 229 cm 381 cm 558 cm 716 cm
(120 in.) (90 in) (150 in.) (18.3 ft) (23.5 ft)
406 cm 305 cm 508 cm 741 cm 981 cm
(160 in.) (120 in.) (200 in.) (24.3 ft) (32.2ft) 
						

							3M™ Multimedia Projector MP8755
                                         © 3M 2000
TECHNICAL
A-4
A.5 Connection to the RGB Signal Terminal
Video signal
Horizontal sync signal
Vertical sync signal
Composite sync signal
Audio signalInput
OutputAnalog 0.7Vp-p 75 Ω termination (Positive polarity)
TTL level (Positive/negative polarity)
TTL level (Positive/negative polarity)
TTL level
200mVrms, 20k Ω below (MAX 3.0Vp-p)
0 ∼ 200mVrms, 1k Ω
a) Input signal / Output signal
1
2
3
4
5
6
7
8Video signal (Red)
Video signal (Green)
Video signal (Blue)
No Connection
No Connection
Ground (for R)
Ground (for G)
Ground (for B)
9
10
11
12
13
14
15No Connection
Ground
No Connection
SDA (DDC 1/2B)
Horizontal/Composite sync signal
Vertical sync signal
SCL (DDC 1/2B)
b) Signal input terminal / output terminal
A.4 Connection to the Video Signal Terminal
a) Input signal
S-VIDEO signal
VIDEO signal
AUDIO signalInput
Output
Luminance signal 1.0Vp-p, 75 Ω termination
Chrominance signal 0.286Vp-p (burst signal), 75 Ω termination
1.0Vp-p, 75Ω termination
200mVrms, 20 kΩ below (MAX 3.0Vp-p)
0~200mVrms, 1k Ω
b) Signal input terminalChrominance signal
Ground
S VIDEO input (Mini DIN 4pin)Luminance signal
Ground
✔ Note
    Video input signal terminals have priority in the following order:
1.  S-VIDEO input terminal
2.  RCA jack (composite) input terminal
    Audio sound from input devices is output to the RGB/Video out jack.