3M Multimedia Projector Mp8780 Operators Manual

							3Mª Multimedia Projector MP8780© 3M 1999
ENGLISH
20
4 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.Loosen cover retaining screws:  The lamp access cover is located on the side of the projector. Use a
screwdriver to uncrew the retaining screws (1) on the left and right side of the cover.
2.Remove lamp cover:  Press the spring tabs on each side of the cover and gently remove the lamp
cover (3).
3.Loosen lamp retaining screws: Use a screwdriver to unscrew the lamp module retaining screws (4).
4.Remove lamp module:  Carefully slide the lamp module out (5) of the projector.
5.Insert lamp module:  Carefully insert the new lamp module (5). Ensure that it is fully seated. Tighten the
lamp module retaining screws (4) to secure the lamp module in place.
6.Insert lamp cover: Position the lamp cover and depress the spring tabs (2) on each side of the cover to
lock it in place.
7.Tighten retaining screw: Tighten the cover retaining screws (1) to the cover. After replacing the projection
lamp, always reset the lamp operation hours to zero.
To reduce the risk of severe burns, allow the projector to cool for at least 45 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
Figure 6.1 Lamp Module
To reduce the risk of cuts to fingers 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
EPS-124A
1
2
1
3
4
4
5
2
6.3 Replacing the Lamp
WARNING
To reduce the risk of electrical shock, always turn off projector and disconnect power cord before changing
lamp. 
						

							© 3M 1999 3Mª Multimedia Projector MP8780
ENGLISH
21
Section 7: Troubleshooting
Error Message Displays
NO SIGNAL IS
DETECTED.
INVALID.
CHANGE THE LAMP.
LIFE: 50 HS
CHANGE THE LAMP.
NO LIFE.Cause
The projector is not detecting a signal.
The horizontal frequency of input signal
exceeds projector capability.
Lamp operation time is greater than 950
hours.
Lamp operation time is greater than 1,000Solution
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.
7.2 Message/Solution Table
Symptom Cause Solution
Power cannot be ¥ The Main power is not turned on. ¥ Turn the MAIN POWER switch on.
turned on. ¥ The power cord is disconnected. ¥ Insert the power cord into an AC socket.
¥ 90 seconds have not elapsed since ¥ Wait 90 seconds before turning on power.
the power was turned off.
No picture and sound. ¥ The setting of the input source is not ¥ Set the correct input using the input select button of
correct. the projector or the remote control.
¥ RGB/Video/Audio wiring to projector is ¥ Connect the cable to correct input/output source.
not correct.
Sound is heard with no ¥ RGB/Video/Audio wiring to projector ¥ Connect the cable to correct input/output source.
picture.  is not correct.
¥ Lens cap is on. ¥ Remove lens cap.
Picture is displayed with ¥ Audio wiring to projector is not correct. ¥ Connect the cable to correct input/output source.
no sound. ¥ The volume is set to minimum. ¥ Press the VOL button to increase Volume.
¥ The unit is muted. ¥ Press the MUTE button.
Color is weak and tint is ¥ The color and tint have been adjusted ¥ Adjust the color and tint correctly.
incorrect. incorrectly.
Picture is dark. ¥ The brightness and contrast has not ¥ Adjust the brightness and contrast correctly.
been adjusted incorrectly.
¥ The lamp needs to be replaced. ¥ Replace the lamp with a new one.
Picture is not clear ¥ Projector is out of focus. ¥ Adjust the focus and PHASE.
LAMP indicator lights ¥ Lamp will not ignite.¥ Turn off power and let cool for 20 minutes, then restart.
red.¥ If problem persists call your dealer.
Cover indicator red. ¥ Air filter door on bottom of case¥ Ensure air filter door is closed.
is open.
TEMP indicator ¥ Temperature inside projector ¥ Clear blocked ventilation holes.
 red. is too hot. ¥ Clean air filter.
7.1 Symptom/Solution Table 
						

							3M
ENGLISH
Section 8: Accessories 
						

							© 3M 1999  3M
TECHNICAL
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
RGB input/output
Control terminal
Mouse  MD 9pin (serial/PS2/ADB)
 USB  4pin
Appendix:  Technical Information
Table of Contents
4  Note
All specifications a re subject to change without notice. 
						

							TECHNICAL
A-2© 3M 1999 3Mª Multimedia Projector MP8780
A.2    Dimensions
430 mm
(17.2 in.)495 mm
(19.8 in.)
LAMPTEMPFANCOVERCHANGE LAMPPOWER
RGB1
L
VIDEO1R
L R VIDEO2 SERIAL MOUSELR USB RGB2 RGB
OUT
PUT
IN
PUT
RGB3/VIDEO3R/Y(CV) G/U B/V
LR LRLR HS VS
OI
+
–+
–+
–
520 mm
(20.8 in.)
222 mm
(8.9 in.)
MP8780 
						

							© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-3
4 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 145 cm 226 cm
(32 in.) (24 in.) (40 in.) (4.7 ft) (7.4 ft)
130 cm 91 cm 152 cm 226 cm 347 cm
(48 in.) (36 in.) (60 in.) (7.4 ft) (11.4 ft)
180 cm 122 cm 203 cm 306 cm 468 cm
(64 in.) (48 in.) (80 in.) (10 ft) (15.3 ft)
230 cm 152 cm 254 cm 386 cm 588 cm
(80 in.) (60 in.) (100 in.) (12.7 ft) (19.3 ft)
280 cm 183 cm 305 cm 467 cm 709 cm
(96 in.) (72 in.) (120 in.) (15.3 ft) (23.3 ft)
354 cm 229 cm 381 cm 587 cm 890 cm
(120 in.) (90 in) (150 in.) (19.3 ft) (29.2 ft)
179 cm 305 cm 508 cm 788 cm 1193 cm
(160 in.) (120 in.) (200 in.) (25.8 ft) (39.1 ft)
728 cm 457 cm 762 cm 1190 cm 1197 cm
(287 in.) (180 in.) (300 in.) (39 ft) (58.9 ft)
The image can be shifted up or down without distortion (keystoning) by turning the Image Shift Control knob on
the top of the projector.
Image Shift Control
Normal
Shift Down
(Ceiling Mount) Shift Up
OI 
						

							TECHNICAL
A-4© 3M 1999 3Mª Multimedia Projector MP8780
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 W termination (Positive polarity)
TTL level (Positive/negative polarity)
TTL level (Positive/negative polarity)
TTL level (Negative polarity)
140mVrms, 46k W (MAX 7.0Vp-p)
0 ~ 140mVrms, 680 W
a) Input signal / Output signal
1
2
3
4
5
6
7
8Video signal (Red)
Video signal (Green)
Video signal (Blue)
No Connection
Ground
Ground (for R)
Ground (for G)
Ground (for B)
9
10
11
12
13
14
15No Connection
Ground
Ground
No Connection
Horizontal/Composite sync signal
Vertical sync signal
No Connection
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 W termination
Chrominance signal 0.286Vp-p (burst signal), 75 W termination
1.0Vp-p, 75 W termination
140mVrms, 46 k W (MAX 7.0Vp-p)
0-140mVrms, 680 W
b) Signal input terminalChrominance signal
Ground
S VIDEO input (Mini DIN 4pin)Luminance signal
Ground
4 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. 
						

							© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-5
c) Example of computer signal
Scan Frequency
Dot Clock
Mode No. H-Size Resolution H (kHz) V (Hz) (MHz) Computer
1 780 320x480i 15.7 59.9 12.270 NTSC(RGB) RGB-NTSC
2 940 384x576i 15.6 50.0 14.687 PAL(RGB) RGB-PAL
3 848 640x400 24.8 56.4 21.053 640X400 TEXT56
4 900 720x400 31.5 70.1 28.322 720X400 TEXT70
4 800 640x400 31.5 70.1 25.175 720X400 TEXT70
4 800 640x350 31.5 70.1 25.175 720X400 TEXT70
5 936 720x400 37.9 85.0 35.500 720X400 TEXT85
5 832 640x400 37.9 85.1 31.500 720X400 TEXT85
5 832 640x350 37.9 85.1 31.500 720X400 TEXT85
6 800 640x480 31.5 59.9 25.175 640X480 VGA60
7 896 640x480 35.0 66.6 31.334 MAC13 MAC13
8 832 640x480 37.9 72.8 31.500 640X480 VGA72
9 840 640x480 37.5 75.0 31.500 640X480 VGA75
10 832 640x480 43.3 85.0 36.000 640X480 VGA85
11 1024 800x600 35.2 56.3 36.000 800X600 SVGA56
12 1056 800x600 37.9 60.3 40.000 800X600 SVGA60
13 1040 800x600 48.1 72.2 50.000 800X600 SVGA72
14 1056 800x600 46.9 75.0 49.500 800X600 SVGA75
15 1048 800x600 53.7 85.1 56.250 800X600 SVGA85
16 1152 832x624 49.7 74.6 57.283 MAC16 MAC16
17 1344 1024x768 48.4 60.0 65.000 1024X768 XGA60
18 1328 1024x768 56.5 70.1 75.000 1024X768 XGA70
19 1312 1024x768 60.0 75.0 78.750 1024X768 XGA75
20 1376 1024x768 68.7 85.0 94.500 1024X768 XGA85
21 1312 1024x768 48.8 60.0 64.000 MAC19A MAC19A
22 1328 1024x768 60.2 74.9 80.000 MAC19B MAC19B
23 1264 1024x768i 35.5 87.0 44.900 1024X768I XGAi
24 1472 1152x864 54.1 60.1 79.648 1152X864
25 1472 1152x864 64.0 70.0 94.178 1152X864
26 1600 1152x864 67.5 75.0 108.000 1152X864
27 1568 1152x864 77.3 84.9 121.268 1152X864
28 1456 1152x870 68.6 75.0 99.931 MAC21 MAC21
29 1500 1152x900 61.8 66.0 92.707 1152X900 SUN
30 1800 1280x960 60.0 60.0 108.000 1280X960
31 1680 1280x960 75.0 75.0 126.000 1280X960
32 1728 1280x960 85.9 85.0 148.500 1280X960
33 1688 1280x1024 64.0 60.0 108.000 1280X1024 SXGA60
34 1688 1280x1024 80.0 75.0 135.000 1280X1024 SXGA75
35 1728 1280x1024 91.1 85.0 157.500 1280X1024 SXGA85
36 1688 1280x1024i 47.7 88.8 80.534 1280X1024I SXGAi
37 2160 1600x1200 75.0 60.0 162.000 1600X1200 UXGA60
38 2160 1600x1200 81.3 65.0 175.500 1600X1200 UXGA65
39 2200 1920x1080i 33.7 59.9 74.176 HDTV1080I HDTV1080
39 1100 960x1034i 33.5 59.0 36.851 HDTV1080I HDTV1034
40 1650 1280x720 45.0 59.9 74.176 HDTV720P HDTV720P
41 2200 1920x1080 67.4 59.9 148.352 HDTV1080P HDTV1080P 
						

							TECHNICAL
A-6© 3M 1999 3Mª Multimedia Projector MP8780
A.6    Indicator Status
The indicators lamps will light or flash to indicate the following operating conditions: Note 2: Some input sources may not be displayed properly because they are not compatible with the
projector. Note  1: MAC adapter is necessary to set the resolution mode.
Projector is compatible with 13 inch mode and 16 inch mode.
Set all dip switches OFF except those indicated below.
MAC 13 mode = switch 1 and 2 are ON
MAC 16 mode = switch 2 and 4 are ON
c) Example of computer signal (continued)
(Example of 16 inch mode)
POWER CHANGE
LAMP COVER FAN TEMP LAMP Meaning Remedy
Lights
Orange Off Off Off Off Off Standby mode Normal
Flashes
Green Off Off Off Off Off During warm up Normal
Lights Off Off Off Off Off During  operation Normal
Green Flash Off Off Off Off The lamp operating Replace lamp
RED hours have reached
950 hours or more
Lights Off Off Off Off The lamp operating Replace lamp
RED hours have reached
1000 hours or more
Lights Off Lights Off Off Off Bottom cover is open Attach the
Orange RED Bottom cover
Off Off Lightd Off Off Cooling fan not Contact your
RED operating dealer
Off Off Off Flashes Off Operating temperature Check the air filter.
RED is above normal range Remove any
Off Off Off Lights Off Operating temperature objects blocking
RED  is above normal range ventilation. Lower
and projector has the ambient
overheated temperature.
Contact your
dealer
Off Off Off Off Lights Lamp or internal power Change lamp.
RED failure Contact your
dealer
When the LAMP indicator lights or flashes, turn the power off.  If the problem persists, contact your dealer. 
						

							© 3M 1999 3Mª Multimedia Projector MP8780
TECHNICAL
A-7
A.7    Connection to the Control Signal Terminal
ADB mousePS/2 mouse
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.
4 Note
In some Notebook computers with an 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.
Computer Projector
1
2
3
4
5
6
Shield 15
691
2
3
4
5
6
7
8
9
Shield
3
Mini Din 6-pin (Male)
56
4
2 1
D-sub 9-pin (Male) 
Computer Projector
1
2
3
4
Shield
15
691
2
3
4
5
6
7
8
9
Shield
1
Mini Din 4-pin (Male)
34
2
D-sub 9-pin (Male)