Epson Projector Emp 7200 User Manual

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6
Troubleshooting
This chapter describes the problems indicated by the status 
lights and provides information on what to do if you 
experience problems with the projector. It is divided into the 
following sections:
• General problems with the projector. Refer to this section if 
the projector is not working and to find out what the 
warning lights are indicating.
• Problems with the screen...

Troubleshooting
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Problems with the Projector
If you have problems with the projector, 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 
warning lights at the top of the projector. These lights alert 
you to problems with projector operation. 
See the following pages for information on what to do when 
you see these warning lights or encounter other specific 
problems with the projector.
qThe...

Problems with the Projector
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83
qThe temperature indicator is red.
The projector is overheating, which turns the lamp off 
automatically. Let the projector cool for a few minutes, 
then turn it back on. Make sure nothing is blocking the 
ventilation vents.
The air filter may be clogged. Clean it as described in 
Chapter 5 and then let the projector cool for a while.
If the projector continues to overheat after you clean the air 
filter, the problem may be caused by damage to the cooling...

Troubleshooting
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Problems with the Image or Sound
qAn image does not appear on the screen.
Check that the power light is on and the lens cover is off. 
Also make sure the cables are installed correctly, as 
described in Chapter 1.
The correct image source may not be selected. Press the 
Source button on the remote control or the control panel 
to choose another image source. 
qOnly part of the computer image is displayed.
If the computer’s output resolution setting is higher than 
1024 x...

Problems with the Image or Sound
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85
qA blank screen is displayed.
The computer signal cannot be interpreted by the 
projector. Verify the display format (see page 89, 90). 
When you see a blank screen, you cannot access the 
projector menus.
qThe image or parts of the image are blurred or not in 
focus.
Adjust the Brightness and Contrast settings on the Video 
main menu. If you’re viewing a computer image, also try 
adjusting the Comp Tracking and Comp Sync buttons on 
the projector’s...

Troubleshooting
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7
Technical Specifications 
General
Type of display Poly-silicon TFT
Size of liquid crystal panels 1.3 inches (33.1 mm)
Resolution EMP-7300/7200:1024 (horizontal) x 768 
(vertical) pixels
EMP-5300: 800 (horizontal) x 600 
(vertical) pixels
Image size 23 - 300 inches (0.6 - 7 meters)
Projection distance 5.03 - 54.08 feet (1.59 - 16.7 meters)
Remote control range 32.8 feet (10 meters)
Internal...

Technical Specifications
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88Width 11.8 inches (300 mm)
Maximum dimension
Depth 15.8 inches (400 mm)
Maximum dimension
Weight 13.8 lb (6.2 kg)
Electrical
Voltage 100 - 120 VAC and 200 - 240 VAC ± 10%
Rated frequency 50/60 Hz
Power supply 100 - 120 VAC, 2.4 A, 50/60 Hz 
200 - 240 VAC, 1.2 A, 50/60 Hz
Environmental
Temperature
Operation: 41 - 104˚ F (5 - 40˚ C),
non-condensing
Storage: 14 - 140˚ F (-10 - 60˚ C),
non-condensing
Humidity Operation: 20 - 80% RH, 
non-condensing
Storage: 10 - 90%...

Supported Monitor Displays
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89
Supported Monitor Displays
The projector displays images at a resolution of 1024 ´ 768 
pixels. To display a higher resolution image, the projector 
compresses it to 1024 ´ 768. The following table lists the 
display formats supported by the projector:
Format Hor Pix
[Pixels]Ver Pix
 [Lines]H. Freq
[KHz]V. Freq
[Hz]
PC98 PC98 640 400 24.8 56.42
PC/AT VGA60 640 480 31.5 59.94
DOS/V VESA72­480 37.9 72.81
VESA75­­37.5 75.00
VESA85­­43.3 85.01
VGAEGA­350 31.5...

Technical Specifications
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90
* The projector uses a patent-pending technology to resize the image to 1024 ´ 
768.
¨Note: The frequencies of some computers may not allow the 
image to be displayed correctly.
¨
Note: This projector is compatible with DDC-capable graphic 
sub-systems and boards only. 
MAC1960­­48.2 59.28
MAC21 1,152 870 68.7 75.06
Format Hor Pix
[Pixels]Ver Pix
 [Lines]Subcarrier
 freguency
Video NTSC 640 480 3.58 MHz
NTSC 4.43­­4.43 MHz
PAL 768 576­
PAL N­­3.58 MHz
PAL M 640...