Epson Powerlite 7600p Multimedia Projector Users Guide

							6
Solving Problems65
Solving Problems
This chapter helps you solve problems with your projector, and tells 
you how to contact technical support for problems you can’t solve 
yourself. This chapter explains the following:

Using the projector’s on-screen help system

What to do when the projector’s status lights flash

Solving problems with the image or sound 

Solving problems with the remote control

Contacting technical support
warning
Except as specifically explained 
in this User’s Guide
, do not 
attempt to service this product 
yourself.
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							66Solving Problems
Using On-Screen Help 
If you see a No Signal message or your audio isn’t working, you can 
get help by pressing the blue 
? Help button on top of the projector or 
under the cover on the remote control. The following choices are 
available:

Help for the image
Tells you what to do if you see a No Signal message

Help for the sound 
Tells you what to do when your audio isn’t working

Language selection
Lets you display the help information and projector menus in any 
of nine different languages
Follow these steps to get help:
1. Press the blue 
? Help button. You see the help menu.
2. Use the   up or   down arrow buttons on the control panel (or 
move the 
Enter button up or down on the remote control) to 
highlight one of the options. Then press the   or 
Enter button to 
select it.
3. Press the   or 
Enter button again to view the solutions. (Press 
Esc if you need to back up.)
4. Press the down arrow button on the control panel (or press down 
on the 
Enter button on the remote control) to display additional 
text.
5. To exit the Help system, press the blue
 ? Help button.
If none of the suggestions solves your problem, see additional 
solutions to problems in the following sections.
caution
Don’t hold the ? Help 
button for more than 
5 seconds, or the projector 
will enter the mode for 
resetting the lamp timer.
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							Solving Problems67
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the status lights on top of the 
projector and try the solutions recommended below. 
Computer
A/V mute
Resize Power
power light
lamp light
temperature light
Light Status Description
does not come on Make sure the power cord is securely connected both at the power 
outlet and the projector.
green The projector is operating normally.
flashing green The projector is warming up. Wait for the image to appear.
orange The projector is in sleep mode. You can unplug it to turn it off or press 
the Power button to turn it on.
flashing orange The lamp is cooling down. Don’t unplug the projector until the light 
stops flashing and remains orange. If you want to turn the projector 
back on, wait until the light stops flashing and press the Power 
button. 
flashing red Power is cut off because of an internal problem. Remove the power 
cord and contact EPSON for help; see page 75.
flashing orange The lamp is almost burned out. This is a good time to replace it. See 
page 60 for instructions.
flashing red The lamp is burned out. Replace it as described on page 60. If you 
have just replaced the lamp, make sure its cover is fastened securely.
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							68Solving Problems
Solving Problems with the Image or 
Sound
No image appears on the screen.

Check that the power light is green, not flashing, and the lens 
cover is off. 

The projector may be in sleep mode. If the power light is orange, 
press the 
Power button to turn the projector on.

If the power was switched off and then on again, the projector 
may still be cooling down. Wait until the power light stops 
flashing and remains orange; then press the 
Power button again.

Make sure the Brightness setting on the Video menu is correct. 
See page 45 for more information. Try selecting the 
Reset All 
setting to return all setup menus to their default values. 

Press the A/V Mute button to make sure the picture has not been 
turned off temporarily. 

The attached computer may be in sleep mode or displaying a 
black screen saver. Try pressing a key on the computer.
flashing orange The projector is getting too hot. Turn it off and let it cool. Make sure 
the temperature surrounding the projector does not exceed 104 
°F 
and there is plenty of space around and under the projector for 
ventilation. You should also check the air filter; if necessary, clean or 
replace it as described on page 59.
red The projector has overheated and turned itself off. Let it cool for a few 
minutes, then turn it back on. Make sure there is plenty of space 
around and under the projector for ventilation. If necessary, clean or 
replace the air filter as described on page 59. If the projector 
continues to overheat, the problem may be caused by damage to the 
cooling fan or internal circuits. Contact EPSON for help; see page 75.
flashing red There is a problem with the cooling fan or temperature sensor. Turn 
off the projector and unplug it. Contact EPSON for help; see page 75. Light Status Description
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							Solving Problems69
You see a blue screen with the message No Signal 
displayed.

Make sure the cables are connected correctly, as described in 
Chapter 1 or Appendix A.

Try restarting your computer.

If you’ve conne cte d more t han one  computer and/or video source, 
you may need to press the 
Computer or Video button (on the 
control panel) or the 
Comp1, Comp2/YCbCr, or Video button 
(on the remote control) to select the correct source. Allow a few 
seconds for the projector to sync up after pressing the button.

Make sure the Computer 1 selector switch on the projector’s 
interface panel is set to 
Analog (for standard computer video) or 
Digital (for a computer using DVI video). See page 12. 
If you’re using a PC laptop:

Hold down the Fn key and press the function key that lets you 
display on an external monitor. It’s often labelled with an icon 
such as   or it may be labelled 
CRT/LCD. Check your 
laptop’s manual or online help for details. On most systems, the 
 key lets you toggle between the LCD screen and the 
projector, or to display on both at the same time. Allow a few 
seconds for the projector to sync up after pressing it. 

Depending on your computer’s video card, you might need to use 
the Display utility in the Control Panel to make sure that both the 
LCD screen and external monitor port are enabled. See your 
computer’s documentation or online help for details.
If you’re using a PowerBook:
1. From the Apple menu, select 
Control Panels, then click 
Monitors and Sound.
2. Click the Arrange icon.
3. Drag one monitor icon on top of the other. This lets you 
display on the projector screen as well as the LCD screen.
4. If the Arrange option isn’t available, click the 
Monitor icon. 
5. Select one of the listed 
Simulscan resolutions. (It may take a 
moment for the projector to sync up.)
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							70Solving Problems
The message Not Supported is displayed.

If you’ve connected a second computer or you’re using 
component video, make sure the 
BNC option in the Setting menu 
is correct. See page 54.

Make sure your computer’s resolution doesn’t exceed UXGA 
(1600 
× 1200), and the frequency is supported by the projector 
(see page 97). If necessary, change your computer’s resolution 
setting as described below. 
Only part of the computer image is displayed.

Press the Resize button on the control panel or remote control.

Make sure the image Position setting is correct on the Video 
menu. See page 46 for more information.

If you’ve connected a second computer, make sure the BNC 
option in the Setting menu is set to 
RGB. See page 54.

Make sure your computer’s resolution setting is correct. Ideally, it 
should be 1024 
× 768 (for the PowerLite 7600p) or 800 × 600 
(for the PowerLite 5600p) to match the projector’s native 
resolution. If this option isn’t available, select one of the other 
compatible video formats listed on page 97. 

Windows:
Right-click the desktop, select 
Properties, click the Settings 
tab, and use the dialog box to select a different resolution. 

Macintosh:
On the Apple menu, choose 
Control Panels, then click 
Monitors and Sound. Select a different resolution. 

You also may need to modify existing presentation files if you 
created them for a different resolution. See your software 
documentation for specific information.
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							Solving Problems71
The image isn’t square, but trapezoid-shaped.

Make sure the projector isn’t placed off to one side of the screen, 
at an angle. Place the projector directly in front of the center of 
the screen, facing the screen squarely.

If you’ve tilted the projector upward by extending the legs, the 
image will be broader at the top. Hold down the 
+ or – side of the 
Keystone button on top of the projector until the image is 
square. 
The image contains static or noise.

If you’ve connected a second computer or you’re using 
component video, make sure the 
BNC option in the Setting menu 
is correct. See page 54.

If you’re using a computer cable longer than 6 feet, the image 
quality may be reduced.

Keep your computer and video cables separated from the power 
cord as much as possible to prevent interference.

The video signal may be split between the computer and the 
projector. If you notice a decline in the projected image quality 
when the image is displayed simultaneously on your laptop 
computer and the projector, turn off the laptop’s LCD display.
The image is blurry.

There may be dirt or smears on the lens. Clean the lens as 
described on page 58.

Adjust the focus using the focus ring.

Adjust the Sharpness setting in the Video menu (see page 46). If 
you’re projecting from a computer, you may also need to adjust 
the 
Tracking and Sync as described in the next section. If you 
don’t like the new settings, you can always select 
Reset to return 
to the factory default settings. 
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							72Solving Problems
You see vertical stripes or the image still looks blurry after 
trying the solutions in the previous section.

If you’re projecting from a computer and displaying an image that 
contains a lot of fine detail (such as the body of a letter), you may 
notice one or more vertical stripes or bands, or some of the 
characters may look heavy or blurred. Press 
Auto on the remote 
control or the   
Enter button on the control panel. This resets 
the projector’s tracking and sync settings.

If further adjustment is needed, you can fine-tune the Tracking 
and 
Sync settings manually using the buttons on the control 
panel (or using the Video menu as described on page 46): 
1. Fill the screen with an image containing fine detail when 
making these adjustments. For example, in Windows you can 
click 
Start, Settings, and Control Panel, then double-click 
Display; select a pattern to appear as your desktop 
background. If this option isn’t available, try projecting black 
text on a white background (such as a letter).
2. Press the 
Tracking – and Tracking + buttons to eliminate 
vertical stripes. 
(If you don’t see any changes on screen while pressing the 
buttons, select 
Reset All in the projector’s menu system as 
described on page 56; then repeat the tracking adjustment.)
3. Press the 
Sync – and Sync + buttons to increase the 
sharpness of the image. 
note
The tracking and sync settings 
match the projector’s internal 
clock to the computer’s display 
signal. If you use the projector 
with different computers, you 
can save the projector’s 
settings for each computer and 
recall them whenever needed 
using the Preset option. See 
page 47.
Tracking Tracking
Sync
Keystone
Volume
Esc Help
Menu
Tracking TrackingSync
Sync
Keystone
Volume
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							Solving Problems73
The colors of the image are not right.

The color balance may be incorrect. If you’re displaying a 
computer image, use the 
Gamma option in the projector’s Video 
menu to adjust the balance of red, green, and blue. If you’re 
displaying video, adjust the 
Color, Tint, and Gamma settings on 
the Video menu. Also try adjusting the 
Color Setting option in 
the Advanced menu.

Check your computer display settings to correct the color balance.
There is no sound.

Try turning up the volume. Hold down the Shift button and 
press the right side of the 
Volume button (control panel) or press 
the right side of the
 Volume button (remote control).

If you’re using a VCR or other video source, make sure the 
volume is not turned all the way down or muted. Also, make sure 
the cables are connected correctly, as described in Chapter 1.

If your presentation includes computer audio, make sure the 
volume control on your computer is not turned all the way down 
or muted. Make sure the audio cable is securely connected to both 
the projector and your computer’s   headphone jack or   
audio out jack. See page 14 (for laptops) or Appendix A (for other 
systems).

Make sure the Windows volume controls on your computer are 
not turned all the way down or set to Mute. You may be able to 
check this by right-clicking the sound icon on your Windows 
desktop. 

Make sure the A/V Mute button is not enabled.

The wrong source may be selected. Press the Computer or Video 
button on the control panel—or the 
Comp1, Comp2/YCbCr, or 
Video button on the remote control—to select the proper source. 
Allow a few seconds for the projector to sync up after pressing the 
button.
note
Because of the different 
technologies used, your 
projected image may not 
exactly match the colors on 
your laptop or computer 
monitor.
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							74Solving Problems
Solving Problems with the Remote 
Control
The projector doesn’t respond to remote control commands.

Make sure the remote control is turned on. 

Make sure you are within 30 feet of the projector, and within 
range of the projector’s front or back sensor (approximately 30° to 
left or right and 15° above or below).

The remote control batteries may not be installed correctly or may 
be low on power. To test the batteries, press the  light button. 
The other buttons on the remote should light up temporarily. If 
they don’t, you need to change the batteries as described on 
page 32.

Dim the room lights and turn off any fluorescent lights. Make 
sure the projector is not in direct sunlight. Strong lighting, 
especially fluorescent lights, may affect the projector’s infrared 
receivers.

Turn off any nearby equipment that emits infrared energy, such 
as a radiant room heater.
You can’t control the mouse pointer with the remote 
control.
Make sure the mouse cable is securely connected to both your 
computer’s mouse port or USB port and the projector’s mouse port. 
For details, see page 13 (for laptops) or Appendix A (for other 
systems).
Power
Freeze
A/V MuteE-ZoomR/C ON
OFF
3
15
24
Enter
Esc
on/off 
switch
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