Epson Powerlite 7250 Users Guide

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7
Technical Specifications 
GeneralType of display Poly-silicon Thin Film Transistor (TFT)
Size of liquid crystal
panels    Diagonal: 1.3 inches (33.6 mm) 
Lens F=2.0–2.3, f=55–72 mm
Resolution PowerLite 5350: SVGA, 800 × 600 pixels
PowerLite 7250/7350: XGA, 1024 × 768
pixels
Color reproduction 24 bit, 16.7 million colors
Brightness (typical) PowerLite 5350: 1500 lumens (ANSI)
PowerLite 7250: 1300 lumens (ANSI)
PowerLite 7350: 1600 lumens (ANSI) 

7    Technical Specifications
            154
Image size Wide angle: 23 to 300 inches (at 3.9 to 40.6 
feet distance) 
Tele angle: 23 to 230 inches (at 5.1 to 54 
feet distance)
Projection distance 3.18 to 54.8 feet (1.18 to 16.7 meters)
Projection methods Front, rear, upside-down (ceiling mount)
Internal speaker system 3 
× 3 W stereo output
2 
× 3 W 8 (ohm) speakers
Optical aspect ratio 4:3 (horizontal : vertical)
Zoom ratio 1:1.3
Tilt angle 0° to 12°
Supported video 
interface standards NTSC, PAL,...

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Remote 
Control
Range 32.8 feet (10 meters)
Batteries Alkaline AA (2)
Mouse 
Compatibility
Supports PS/2, USB, serial, ADB
Remote 
IR Receiver
Supports EPSON Remote IR Receiver,
10-foot cable (typical for rear screen 
projection)
MechanicalHeight 5.1 inches (129 mm)
Width 11.8 inches (300 mm)
Depth 15.8 inches (400 mm)
Weight 13.8 lb (6.2 kg)
ElectricalRated frequency 50/60 Hz
Power supply 100 to 120 VAC, 2.4 A
200 to 240 VAC, 1.2 A
Power consumption Operating: 200 W
Standby: 8.4 W...

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            156
Humidity Operating: 20 to 80% RH, 
non-condensing
Storage: 10 to 90% RH, 
non-condensing
SafetyUnited States FCC Part 15J Class B
UL1950 Rev. 3
Canada DOC SOR/88-475
CSA C22.2 No. 950 Rev. 3
Supported Monitor Displays
The following table lists the display formats supported by the 
projector:
Mode Resolution Frequency 
H(KHz)/V(Hz)Dot 
(MHz)
VGACGA
VGAEGA640 x 400
640 x 35031.46 / 70
31.46 / 7025.175
25.175
NEC400 640 x 400 24.83 / 56.65 21.053
VGA60
VGA72...

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SVGA56
SVGA60
SVGA72
SVGA75
SVGA85800 x 600
800 x 600
800 x 600
800 x 600
800 x 60035.156 / 56.25
37.879 / 60.317
48.077 / 72.188
46.875 / 75
53.674 / 85.06136
40
50
49.5
56.25
XGA43i
XGA60
XGA70
XGA75
XGA851024 x 768
1024 x 768
1024 x 768
1024 x 768
1024 x 76835.522 / 86.958
48.363 / 60.004
56.476 / 70.069
60.023 / 75.029
68.677 / 84.99744.9
65
75
78.75
94.5
SXGA1_70
SXGA1_75
SXGA1_851152 x 864
1152 x 864
1152 x 86463.851 / 70.012
67.5 / 75
77.094 / 84.00294.5
108
121.5
SXGA2_60
SXGA2_75...

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UXGA48i
UXGA60
UXGA65
UXGA70
UXGA751600 x 1200
1600 x 1200
1600 x 1200
1600 x 1200
1600 x 120062.5 / 96.080
75 / 60
81.25 / 65
87.5 / 70
93.75 / 75135
162
175.5
189
202.5
MACLC13
MACII13
MAC16
MAC19-60
MAC19
MAC21640 x 480
640 x 480
832 x 624
1024 x 768
1024 x 768
1152 x 87034.975 / 66.62
35 / 66.67
49.725 / 74.55
48.193 / 59.28
60.241 / 74.93
68.682 / 75.06231.33
30.24
57.28
64
80
100
HDTV480P
(ANSI/SMPTE)720 x 483 31.469 / 59.940 27
HDTV480P
(ATSC)704 x...

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Note: The frequencies of some computers may not allow the 
image to be displayed correctly.
HDTV1080I
(ANSI/SMPTE)1920 x 1080 33.716 / 59.940 74.176
NTSC (SXGA)
NTSC (XGA)1366 x 438
1024 x 43815.734 / 60
15.734 / 6028.486
2.890
PAL (SXGA)
PAL (XGA)1366 x 512
1024 x 51215.625 / 50
15.625 / 5028.846
21.154
SECAM 
(SXGA)
SECAM (XGA)1366 x 512
1024 x 51215.625 / 50
15.625 / 5028.846
21.154 Mode Resolution Frequency 
H(KHz)/V(Hz)Dot 
(MHz) 

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 Computer 1 and 2 and Computer Out connector pin assignments
The Computer 1, 2, and Computer Out connectors are female video 
RGB, 15-pin micro-D-style connectors. Here are the pin assignments:
Input pin Computer Out
connector signalsComputer 1 and 2 
connector signals
1 Red out / red video Red video
2 Green out / green video Green video
3 Blue out / blue video Blue video
4 Reserved Monitor (ID bit 2)
5 GND GND
6 GND Red video GND
7 GND Green video GND
8 GND...

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Glossary
Brightness. The balance of light and dark shades in an image.
Component video. The recording and transmission of video using 
separate red, green, blue and synchronization signals. 
Composite video. A type of video signal that encodes picture, 
luminance, and synchronization information so it can be carried in one 
signal.
Contrast. A measure of the tonal differences between the highlights 
and shadows of an image. In a high-contrast image, light areas are very 
bright and dark areas are...

   Glossary
            162
PAL (Phase Alternation by Line). A 625-line video broadcast format 
used in Western Europe, India, China, Australia, New Zealand, and 
parts of Africa.
Point. A measurement of drawn or printed objects. One point equals 
1/72 inch.
Resolution. A measure of the amount of detail contained in an image. 
Resolution can be measured in dots per inch or in pixels. Image 
sharpness and clarity improve as resolution increases.
RGB. A type of color scheme that defines color as...