Dukane Imagepro 8941a Liquid Crystal Projector Users Manual

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M M M M
A A A A
I I I I
N N N N
T T T T
E E E E
N N N N
A A A A
N N N N
C C C C
E E E E
       
( ( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Air Filters
Cleaning Air Filters
This projector uses 2 air filters.  These air filters should be
cleaned as described below at intervals of approximately
100 hours. 
1. Switch the projector power supply OFF, and remove the
power cord from the power outlet.
2. Remove the filter cover and the air...

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TROUBLESHOOTING TROUBLESHOOTING
OSD Message
The messages as described below may appear on the screen at power ON. Take the appropriate
measures when such messages appears.
Table 9. OSD Message
MessageContents
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIME.
(
*1)
The usage time of lamp will be reaching 2000 hr
shortly.	

It is recommended to replace the lamp soon.  Prepare a
new lamp as a replacement.  
CHANGE THE LAMP
AFTER REPLACING LAMP,
RESET THE LAMP TIME.
THE POWER...

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T T T T
R R R R
O O O O
U U U U
B B B B
L L L L
E E E E
S S S S
H H H H
O O O O
O O O O
T T T T
I I I I
N N N N
G G G G
       
( ( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Indicators Message
The POWER indicator, LAMP indicator, and TEMP indicator are lit and blank as follows. Take the
appropriate measures.
Table 10. Indicators Message
POWER
indicatorLAMP
indicatorTEMP
indicatorContents
Lights
orangeTurns offTurns offThe Standby...

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T T T T
R R R R
O O O O
U U U U
B B B B
L L L L
E E E E
S S S S
H H H H
O O O O
O O O O
T T T T
I I I I
N N N N
G G G G
       
( ( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Symptom
Before requesting repair, check in accordance with the following chart. If the situation cannot be
corrected, then contact your dealer.
Table 11. Symptom
SymptomPossible causeRemedyPage
The power is not
turned on.
The main power switch is not
turned on.Turn on the...

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SPECIFICATIONS SPECIFICATIONS
Table 12. Specifications
•
This specifications are subject to change without notice.NOTE
ItemSpecification
Product nameLiquid crystal projector
Liquid
crystal
panelPanel size3.3 cm (1.3 type)
Drive systemTFT active matrix
Pixels786,432 pixels (1024 horizontal x 768 vertical)
LensZoom lens F=1.7 ~ 2.3  f=49.0 ~ 64.0 mm
Lamp275 W UHB
Speaker1.2 W + 1.2W (Stereo)
Power supplyAC100 ~ 120V, 4.7A / AC220 ~ 240V, 2.0A
Power consumption440W
Temperature...

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WARRANTY AND AFTER-SERVICE WARRANTY AND AFTER-SERVICE
If a problem occurs with the equipment, first refer to the P.20 “TROUBLESHOOTING” section and
run through the suggested checks. If this does not resolve the problem contact your dealer or service
company. They will tell you what warranty condition is applied.
$198
 
 
 
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Pin NoSignalPin NoSignalPin NoSignal
1T.M.D.S. Data 2 -11T.M.D.S. Data 1 / 3 Shield21-
2T.M.D.S. Data 2 +12-22T.M.D.S. Clock Shield
3T.M.D.S. Data 2 / 4 Shield13-23T.M.D.S. Clock +
4-14+5V Power24T.M.D.S. Clock -
5-15Ground (+5V, Analog H/V Sync.)
6DDC Clock16Hot-Plug Sense
7DDC Data17T.M.D.S. Data 0 -
8Analog V. Sync.18T.M.D.S. Data 0 +
9T.M.D.S. Data 1 -19T.M.D.S. Data 0 / 5 Shield
10T.M.D.S. Data 1 +20-
Pin NoSignalPin NoSignalPin NoSignal
1Video input Red9-
15
RGB IN 1:  SCL(DDC)
2Video input...

TECHNICAL - 2
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Example of computer signal
Resolution 
H × ×
VfH (kHz)fV (Hz)RatingSignal modeDisplay
mode
720 ×40037.985.0VESATEXTZoom in
640 ×48031.559.9VESAVGA (60Hz)Zoom in
640 ×48035.066.7Mac13modeZoom in
640 ×48037.972.8VESAVGA (72Hz)Zoom in
640 ×48037.575.0VESAVGA (75Hz)Zoom in
640 ×48043.385.0VESAVGA (85Hz)Zoom in
800 ×60035.256.3VESASVGA...

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TECHNICAL
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Initial set signals
The following signals are used for the initial settings.
The signal timing of some computer models may be different. In such case, refer to adjust the
V.POSIT and H.POSIT of the menu.
DATA
HSYNCDATA
VSYNCDisplay interval c
Back porch b
Sync aFront porch d
Display interval c
Back porch b
Sync aFront porch...

TECHNICAL - 4
T T T T
E E E E
C C C C
H H H H
N N N N
I I I I
C C C C
A A A A
L L L L(
( ( (
c c c c
o o o o
n n n n
t t t t
i i i i
n n n n
u u u u
e e e e
d d d d
) ) ) )
Connection to the Mouse Control
1. PS/2, ADB or Serial Mouse
(1) Turn off the projector and computer, and connect the two units with the appropriate cable. For
PS/2 mouse control (for IBM and compatible), use the enclosed mouse cable. For others, consult
your dealer.
(2) Disconnect the USB cable from the projector if it is connected....