Dukane Imagepro 8784 Projector Users Manual

							
6

Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
In Orange
Turned
off
Turned
offThe projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green
Turned
off
Turned
offThe projector is warming up.Please wait.
Lighting
In Green
Turned
off
Turned
offThe projector is in an on state.Ordinary operations may be performed.
Blinking
In Orange
Turned
off
Turned
offThe projector is cooling down.Please wait.
Blinking
In Red
(discre-
tionary)
(discre-
tionary)
The projector is cooling down. A certain error 
has been detected.Please wait until the POWER indicator finishes 
blinking, and then perform the proper measure using 
the item descriptions below.
Blinking
In Red
or
Lighting
In Red
Lighting
In Red
Turned
off
The lamp does not light, and there is a possibility 
that interior portion has become heated.Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, 
please change the lamp referring to the section “Lamp”.
Blinking
In Red
or
Lighting
In Red
Blinking
In Red
Turned
off
The lamp cover has not been properly fixed. Please turn the power off, 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 cover. After performing 
any needed maintenance, turn the power on again. 
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
Blinking
In Red
or
Lighting
In Red
Turned
off
Blinking
In Red
The cooling fan is not operating.Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
(continued on next page) 
						

							
6

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Blinking
In Red
or
Lighting
In Red
Turned
off
Lighting
In Red
There is a possibility that the interior portion 
has become heated.Please turn the power off, and allow the projector to cool down at least 
20 minutes. After the projector has sufficiently cooled down, please make 
confirmation of the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air filter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, please set 
FAN SPEED of the SERVICE item in the OPTION menu to HIGH.
Lighting
In Green
Simultaneous
blinking in Red
It is time to clean the air filter.Please immediately turn the power off, and clean or change 
the air filter referring to the section “Air Filter”. After cleaning or 
changing the air filter, please be sure to reset the filter timer. 
After the remedy, reset the power to ON.
Lighting
In Green
Alternative
blinking in Red
There is a possibility that the interior portion 
has become overcooled.Please use the unit within the usage temperature 
parameters (5°C to 35°C).  
After the treatment, reset the power to ON.
Blinking in 
Green for 
approx. 3 
seconds
Turned
off
Turned
off
At least 1 “Power ON” schedule is saved to the 
projector.(Please refer to the User’s Manual-Network Functions: 
Schedule Settings for more information.)
NOTE  • When the interior portion has become overheated, for safety purposes, 
the projector is automatically shut down, and the indicator lamps may also be 
turned off. In such a case, disconnect the power cord, and wait 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.
Shutting the projector down
Only when the projector can not be turned off by usual 
procedure (14), please push the shutdown switch 
using a pin or similar, and disconnect the power plug 
from the power outlet. Before turning it on again, wait 
at least 10 minutes to make the projector cool down 
enough.
Resetting all settings
When it is hard to correct some wrong settings, the FACTORY RESET function of the 
SERVICE item in the OPTION menu (42) can reset all settings(except LANGUAGE, 
FILTER TIME, LAMP TIME, FILTER MESSAGE, MIU and etc.) to the factory default.
COMPUTER INUSB
Shutdown switch 
						

							
63

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 defectReferencepage
Power does not come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.
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.
55
Neither soundsnor pictures areoutputted.
The signal cables are not correctly connected.
Correctly connect the connection cables.8
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
Sound does not come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.8
The MUTE function is working.
Restore the sound pressing the MUTE or VOLUME button on the remote control. 5
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function or the remote control. 5
The AUDIO setting is not correct.
Correctly set the AUDIO in the SETUP menu.33
No pictures are displayed.
The lens cover is attached.
Remove the lens cover.
 4
The signal cables are not correctly connected.
Correctly connect the connection cables.8
(continued on next page) 
						

							
64

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReferencepage
No pictures are displayed.(continued)
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function or the remote control.
23, 24
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.
9
The BLANK screen is displayed.
Press the BLANK button on the remote control. 0
Video screendisplay freezes.
The FREEZE function is working.
Press the FREEZE button to restore the screen to normal. 0
Colors have afaded- outappearance, orColor 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.
23, 25, 
 9
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, SMPTE240, REC709 or REC601.   9
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.
23, 24
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP 
menu.
23, 33
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.
55
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.
17, 28
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.59
Troubleshooting
NOTE  • 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. 
						

							
65
Specifications
Specifications
ItemSpecification
Product nameLiquid crystal projector
Liquid
Crystal
Panel
Panel size1.6 cm (0.63 type)
Drive systemTFT active matrix
Pixels786,432 pixels (1024 horizontal x 768 vertical)
LensZoom lens F=1.8 ~ 1.9  f = 16.4~ 19.7 mm
Lamp160W UHB 
           
Speaker1 W x1
Power supplyAC100-120V/2.8A, AC220-240V/1.4A
 
Power consumption 50 W 
Temperature range5 ~ 35°C (Operating)
Size
274 (W) x 65 (H) x 205 (D) mm 
* Not including protruding parts. Please refer to the following 
figure.
Weight (mass)1.8 kg
Ports
Optional parts
Lamp:  456-8770
 
 
Air filter: MU03602
* Please consult your dealer.
Computer input portCOMPUTER IN 
 
...............D-sub 15 pin mini x1Video input portS-VIDEO   .................S-video x1VIDEO  .......................video x1
Audio input/output portAUDIO IN   .........Stereo mini x1AUDIO OUT   .....Stereo mini x1 
OthersUSB STORAGE   ......USB-A x1SD card  ..........SD card slot x1 USB  .........................USB-B x1LAN  ...........................RJ45 x1
[unité: mm]
74
05
6579