Dukane Imagepro 8755j Projector Users Manual

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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it 
according to the following table.
PhenomenonCases not involving a machine defectReference 
page
Power does not  come on.
The electrical power cord is not plugged in.
Correctly connect the power cord. 11
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet, 
and allow the projector to cool down at least 10 minutes, 
then turn the power on again.11, 14
Either there is no lamp and/or lamp cover, or either 
of these has not been properly fixed.
Please turn the power off and disconnect the power plug from 
the power outlet, and allow the projector to cool down at least 
45 minutes. After the projector has sufficiently cooled down, 
please make confirmation of the attachment state of the lamp 
and lamp cover, and then turn the power on again.53, 54
Neither sounds
nor pictures are outputted.
The signal cables are not correctly connected.
Correctly connect the connection cables. 9
Signal source does not correctly work.
Correctly set up the signal source device by referring to the 
manual of the source device.–
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
15, 16
The BLANK function for pictures and the MUTE 
function for sounds are working.
AV MUTE may be active. 
Refer to the item “Sound does not come out” and “No 
pictures are displayed” on the next page to turn off the 
MUTE and BLANK functions.15, 21, 
44
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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
Sound does not  come out.
The signal cables are not correctly connected.
Correctly connect the audio cables. 9
The MUTE function is working.
Restore the sound pressing 
MUTE or VOLUME +/- button 
on the remote control. 15
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote control.15
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO 
menu.36
No pictures are  displayed.
The lens cover is attached.
Remove the lens cover. 3
The signal cables are not correctly connected.
Correctly connect the connection cables.9
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu 
function.26
The computer cannot detect the projector as a plug 
and play monitor.
Make sure that the computer can detect a plug and play 
monitor using another plug and play monitor.10
The BLANK screen is displayed.
Press BLANK button on the remote control.
21
Video screen
display freezes. The FREEZE function is working.
Press FREEZE button to restore the screen to normal.
21
Colors have a faded- out
appearance, or Color tone is  poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR 
TEMP, COLOR, TINT and/or COLOR SPACE settings, 
using the menu functions. 27, 31
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240, REC709 or REC601. 
31
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PhenomenonCases not involving a machine defectReference 
page
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function. 26
The ECO MODE function is working.
Select NORMAL for the ECO MODE item in the SETUP 
menu.
34
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.53, 54
Pictures appear blurry.
Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE 
using the menu function. 18, 30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
57
RS-232C does  not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu. 35
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and it does not constitute or 
imply a machine defect. NOTE
Phenomena that may be easy to be mistaken for machine defects (continue\
d) 
						

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Specifications
Specifications
Specification
ItemSpecification
Product nameLiquid crystal projector
Liquid Crystal Panel 786,432 pixels (1024 horizontal x 768 vertical)
Lens Zoom lens,  f = 19 ~ 23 mm    (approximately)
Lamp 210W UHP
Speaker 16W
Power supply AC 100-120V/3.7A, AC220-240V/1.8A
Power consumption 330 W
Temperature range 5 ~ 35°C (Operating)
Size 317 (W) x 98 (H) x 288 (D) mm
* Not including protruding parts. Please refer to the following figure.
Weight (mass)
approx. 3.6kg
Ports Computer input port
  COMPUTER IN1 
 ................................D-sub 15 pin mini x1
  COMPUTER IN2  ................................D-sub 15 pin mini x1
Computer output port
 MONITOR OUT 
 ...................................D-sub 15 pin mini x1
Video input port
  Y, Cb/Pb, Cr/Pr (Component video) 
 ........................ RCA x3
  S-VIDEO ................................................... mini DIN 4 pin x1
  VIDEO ..................................................................... RCA x1
Audio input/output port
  AUDIO IN1
 .....................................................Stereo mini x1
  AUDIO IN2 .....................................................Stereo mini x1
  AUDIO IN3 (R, L) ..................................................... RCA x2
  AUDIO OUT (R, L) ................................................... RCA x2
Others
  USB
 ...................................................................... USB-B x1
  CONTROL .................................................... D-sub 9 pin x1
Optional parts Lamp: 456-8755J
Filter set: MU06481
* For more information, please consult your dealer. 
						

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Specifications
Specifications (continued)
[unit: mm]
317
288
98
11 3