Dell Projector 7700 User Manual

							Troubleshooting Your Projector101
4
Troubleshooting Your Projector
If you experience problems with your projector, see the following troubleshooting 
tips. If the problem persists, contact Dell™ (see Contacting Dell™ on page 115).
Problem Possible Solution
No image appears on the 
screen
• Ensure that the lens cap is removed and the 
projector is turned on. 
• Ensure that you have chosen the correct 
input source on the INPUT SOURCE menu.
• Ensure the external graphics port is enabled. 
If you are using a Dell™ laptop computer, 
press   (Fn+F8). For other 
computers, see your respective 
documentation. If images are not displayed 
properly, please upgrade the video driver of 
your computer. For Dell computers, see 
support.dell.com.
• Ensure that all the cables are securely 
connected. See Connecting Your Projector 
on page 10.
• Ensure that the pins of the connectors are 
not bent or broken. 
• Ensure that the lamp is securely installed 
(see Changing the Lamp on page 106). 
•Use 
Test Pattern in the Projector Settings of 
the 
Advanced Settings menu. Ensure that 
the colors of the test pattern are correct. 
Fn
F8CRT/LCD 
						

							102Troubleshooting Your Projector
Partial, scrolling, or 
incorrectly displayed image1Press the Auto Adjust button on the remote 
control or the control panel.
2If you are using a Dell™ portable computer, 
set the resolution of the computer to Full 
HD (1920 x 1080): 
aRight-click the unused portion of your 
Microsoft® Win do ws® desktop, click 
Properties, and then select Settings tab.
bVerify that the setting is 1920 x 1080 pixels 
for the external monitor port.
cPress  (Fn+F8). 
If you experience difficulty in changing 
resolutions, or if your monitor freezes, restart 
all the equipment and the projector.
If you are not using a Dell™ portable 
computer, see your documentation. If images 
are not displayed properly, please upgrade the 
video driver of your computer. For a Dell 
computer, see support.dell.com.
The screen does not display 
your presentationIf you are using a portable computer, press 
 
(Fn+F8). 
Image is unstable or flickering Adjust the tracking in the OSD Display 
Settings of the 
Advanced Settings menu (in 
PC Mode only). 
Image has vertical flickering 
barAdjust the frequency in the OSD Display 
Settings of the 
Advanced Settings menu (in 
PC Mode only). 
Image color is incorrect
• If the display receives the wrong signal 
output from the graphics card, please set the 
signal type to 
RGB in the OSD Image 
Settings
 of the Advanced Settings tab.
•Use 
Test Pattern in the Projector Settings of 
the 
Advanced Settings menu. Ensure that 
the colors of the test pattern are correct. 
Problem (continued)Possible Solution (continued) 
						

							Troubleshooting Your Projector103
Image is out of focus1Adjust the focus ring on the projector lens.
2Ensure that the projection screen is within 
the required distance from the projector 
(3.28 ft [1.0 m] to 39.37 ft [12.0 m]).
The image is stretched when 
displaying a 16:9 DVDThe projector automatically detects the input 
signal format. It will maintain the aspect ratio 
of the projected image according to input 
signal format with an Original setting. 
If the image is still stretched, adjust the aspect 
ratio in the Display Settings of the 
Advanced 
Settings
 menu in the OSD.
Image is reversed Select 
Projector Settings of the Advanced 
Settings
 from the OSD and adjust the 
projector mode.
Lamp is burned out or makes 
a popping soundWhen the lamp reaches its end of life, it may 
burn out and may make a loud popping sound. 
If this occurs, the projector does not turn back 
on. To replace the lamp, see Changing the 
Lamp on page 106. 
LAMP light is solid amber If the LAMP light is solid amber, replace the 
lamp. 
LAMP light is blinking amber  If the LAMP light is blinking amber, the lamp 
module connection may be disrupted. Please 
check the lamp module and ensure that it is 
properly installed.
If the LAMP light and the Po w e r light are 
blinking amber, the lamp driver has failed and 
the projector will automatically shut down. 
If the LAMP and TEMP lights are blinking 
amber and the Po w e r light is solid blue, the 
color wheel has failed and the projector will 
automatically shut down.
To clear the protection mode, press and hold 
the POWER button for 10 seconds. Problem 
(continued)Possible Solution (continued) 
						

							104Troubleshooting Your Projector
TEMP light is solid amber  The projector has overheated. The display 
automatically shuts down. Turn the display on 
again after the projector cools down. If the 
problem persists, contact Dell™.
TEMP light is blinking amber If the projector fan fails, the projector will 
automatically shut down. Try to clear the 
projector mode by pressing and holding the 
Po w e r button for 10 seconds. Please wait for 
about 5 minutes and try to power up again. If 
the problem persists, contact Dell™.
The OSD does not appear on 
the screenTry to press the Menu button on the panel for 
15 seconds to unlock the OSD. Check the 
Menu Lock on page 49.
The remote control is not 
operating smoothly or works 
only within a limited rangeThe battery may be low. Check if the laser 
beam transmitted from the remote is too dim. 
If so, replace with two new AAA batteries. Problem 
(continued)Possible Solution (continued) 
						

							Troubleshooting Your Projector105
Guiding Signals
Projector Status DescriptionControl Buttons Indicator
Po w e rTEMP
(Amber)LAMP 
(Amber)
Standby mode Projector in Standby mode. Ready to power 
on.BLUE
FlashingOFF OFF
Wa r m i n g  u p  
modeProjector takes some time to warm up and 
power on.BLUE OFF OFF
Lamp on Projector in Normal mode, ready to display 
an image.
 Note: The OSD menu is not accessed.BLUE OFF OFF
Cooling mode Projector is cooling to shutdown. BLUE OFF OFF
Cooling before 
Pow e r Savi ng 
modeThe projector takes 60 seconds to cool 
down before entering Power Saving mode. AMBER OFF OFF
Projector 
overheatedAir vents might be blocked or ambient 
temperature may be above 35 ºC. The 
projector automatically shuts down. Ensure 
that the air vents are not blocked and that 
the ambient temperature is within 
operational range. If the problem persists, 
contact Dell.OFF AMBER OFF
Lamp driver 
overheatedThe lamp driver is overheated. The air 
vents may be blocked. The projector 
automatically shuts down. Turn the display 
on again after the projector cools down. If 
the problem persists, contact Dell.AMBER AMBER OFF
Fan breakdown One of the fans has failed. The projector 
automatically shuts down. If the problem 
persists, contact Dell.ÒFFAMBER
FlashingOFF
Lamp driver 
breakdownThe lamp driver has failed. The projector 
automatically shuts down. Unplug the 
power cord after three minutes and then 
turn the display on again. If this problem 
persists, contact Dell.AMBER
FlashingOFFAMBER
Flashing
Color Wheel 
breakdownColor wheel cannot start. The projector has 
failed and the projector automatically shuts 
down. Unplug the power cord after three 
minutes and then turn on the projector. If 
this problem persists, contact Dell.BLUEAMBER
FlashingAMBER
Flashing
Lamp failure Lamp is defective. Replace the lamp. OFF OFF AMBER
Faul t - DC  s upp ly  
(+12V)Power supply has been interrupted. The 
projector automatically shuts down. 
Unplug the power cord after three minutes 
and then turn on the projector. If this 
problem persists, contact Dell.AMBER
FlashingAMBER AMBER
Lamp module 
connection failedLamp module connection may be 
disrupted. Check the lamp module and 
ensure that it is properly installed. If the 
problem persists, contact Dell.OFF OFFAMBER
Flashing 
						

							106Troubleshooting Your Projector
Changing the Lamp
 CAUTION: Before you begin any of the procedures in this section, follow the 
Safety Instructions as described on page 8.
Replace the lamp when the message Lamp is approaching the end of its useful 
life in the operation. Replacement suggested! www.dell.com/lamps appears 
on the screen. If this problem persists after replacing the lamp, contact Dell™. For 
more information, see Contacting Dell™on page 115.
 
CAUTION: Use an original lamp to ensure safe and optimal working condition 
of your projector.
 
CAUTION: The lamp becomes very hot when in use. Do not attempt to replace 
the lamp until the projector has been allowed to cool down for at least 30 minutes.
 CAUTION: Do not touch the bulb or the lamp glass at any time. Projector lamps 
are very fragile and may shatter if touched. The shattered glass pieces are 
sharp and can cause injury.
 
CAUTION: If the lamp shatters, remove all broken pieces from the projector 
and dispose or recycle according to state, local, or federal law. For more 
information see www.dell.com/hg.
1Turn off the projector and disconnect the power cord. 
2Let the projector cool for at least 30 minutes.
3Loosen the two screws that secure the 
lamp cover, and remove the cover. 
4Loosen the two screws that secure the 
lamp. 
5Pull the lamp up by its metal handle.
 NOTE: Dell™ may require lamps 
replaced under warranty to be returned 
to Dell™. Otherwise, contact your local 
waste disposal agency for the address 
of the nearest deposit site.
6Replace with the new lamp.
7Tighten the two screws that secure the 
lamp.
8Replace the lamp cover and tighten the two screws.
9Reset the lamp usage time by selecting Yes for Lamp Hour Reset in the OSD 
Power Settings of the Advanced Settings menu (see Power Settings of the  
						

							Troubleshooting Your Projector107
Advanced Setting menu on page 51). When a new lamp module has been 
changed, the projector will automatically detect and reset the lamp hours.
 CAUTION: Lamp Disposal (for the US only)
 LAMP(S) INSIDE THIS PRODUCT CONTAIN MERCURY AND MUST BE 
RECYCLED OR DISPOSED OF ACCORDING TO LOCAL, STATE, OR FEDERAL 
LAWS. FOR MORE INFORMATION, GO TO WWW.DELL.COM/HG OR CONTACT 
THE ELECTRONIC INDUSTRIES ALLIANCE AT WWW.EIAE.ORG. FOR 
LAMP-SPECIFIC DISPOSAL INFORMATION, CHECK WWW.LAMPRECYCLE.ORG. 
						

							108Specifications
5
Specifications
Light Valve 0.95 1080p DMD, DarkChip2™
Brightness 5000 ANSI Lumens (Max.)
Contrast Ratio 2500:1 (Natural)
10000:1 (Dynamic)
20000:1 (Static)
Uniformity 85% Typical (Japan Standard - JBMA)
Number of Pixels 1920 x 1080 (1080p)
Aspect Ratio 16:9
Displayable Color 1.07 billion colors (with Dithering)
Color Wheel Speed 2X
Projection Lens F-Stop: F/ 2.6~2.9
Focal length, f=39.12~46.94 mm
1.2X manual Zoom Lens
Throw ratio =1.85~2.22 wide and tele
Offset ratio: 115 ± 5%
Projection Screen Size 20.3~292.9 inches (diagonal)
Projection Distance 3.28~39.37 ft (1 m ~ 12 m)
Video Compatibility Composite Video / S-Video: NTSC (J, M, 4.43), PAL 
(B, D, G, H, I, M, N, Nc, 60), SECAM (B, D, G, K, 
K1, L)
HDMI, and Component Video input (via VGA and 
YPbPr RCA): 1080i/p, 720p, 576i/p, 480i/p
Power Supply Universal AC 100-240 50-60 Hz with PFC input 
						

							Specifications109
Power Consumption Normal mode: 525 W ± 10% @ 110 Vac
Eco mode: 430 W ± 10% @ 110 Vac
Power saving mode: 
						

							110Specifications
S-Video input: One standard 4-pin min-DIN 
S-Video connector for Y/C signal.
Composite Video input: One Yellow RCA jack for 
CVBS signal.
HDMI input: Two HDMI connector for supporting 
HDMI 1.3. HDCP compliant.
Analog Audio input: One 3.5 mm stereo mini phone 
jack (Blue).
Variable audio output: One 3.5 mm stereo mini 
phone jack (Green).
USB (type A) port: One USB connector for 
Photo/PtG viewer (JPG/PPT format).
USB (type B) port: One mini USB slave for remote 
support and One USB connector for supporting 
USB Display.
RS232 port: One 9-pin D-sub for RS232 
communication. 
RJ45 port: One RJ45 connector for control of 
projector through network and LAN Display.
12 V output: One 12 V DC / 200 mA max. relay 
output for driving automatic screen.
Wireless Dongle Wireless Standard: IEEE802.11b/g/n
Wireless: One WiFi USB  (ty pe A) connector for 
supporting wireless dongle (USB interface, 
Optional).
OS environment: Windows 7/Vista/XP/2000, MAC 
OS X
Support: Presentation slides and projector control.
Allow connection up to 30 users at the same time.
4-to-1 split screen. Allow four presentation slides to 
be projected on screen.
Conference Control mode.
Supports Audio Projection (need to install extra 
driver)
Supports Video Streaming (up to 720p)