Epson Projector Powerlite 50c User Manual

56Solving Problems
The image vibrates, flickers, or has vertical lines.

Adjust the Tracking and Sync settings on the Video menu (or 
through the projector’s Help system). It is best to project a full 
screen containing black text on a white background (such as a 
letter) when you adjust these settings. Hold down the button to 
change the setting until your image looks correct. See page 39 for 
instructions on using the Video menu.

Your video signal mode may not be able to be detected 
automatically....

Solving Problems57
There is no sound.

Press the right side of the Volume button on the remote control 
to turn up the sound.

Press the A/VMute button on the remote control to make sure 
this feature is not enabled.

Make sure the right source is selected. Press the Source button on 
top of the projector to select the right source.

Make sure the volume on your computer or video source is not 
turned all the way down or muted. See your Windows or 
Macintosh online help for instructions. Also, make sure...

58Solving Problems
Where To Get Help
EPSON provides technical assistance through electronic support 
services and automated telephone services 24 hours a day, as listed in 
the following table:
To use the EPSON PrivateLine Support service, call (800) 637-7661 
and enter the PIN on the EPSON PrivateLine Support card included 
in your Owner’s Kit. This is the fastest way to speak to a live 
representative, and it’s free. This service is available 6
AM to 6PM, 
Pacific Time, Monday through Friday, for the...

6
Technical Specifications59
Technical Specifications
General
Type of display Poly-silicon Thin Film Transistor (TFT)
Size of liquid
crystal panels Diagonal: 0.7 inch (17.8 mm)
Lens F=1.5, f=26.3 mm
Focus adjustment Manual
Zoom ratio Digital 1.0 to 1.2, lens at maximum size, 
100% to 83% (smallest)
Resolution 800 × 600 pixels (EPSON PowerLite 50c)
1024 × 768 pixels (EPSON PowerLite 70c)
Color reproduction 24 bit, 16.7 million colors
Brightness (ANSI) 1000 lumens (EPSON PowerLite 50c)
700 lumens (EPSON...

60Technical Specifications
Projection Lamp
Ty p e U H E  ( U l t r a  H i g h  E f f i c i e n c y )
Power consumption 150 W
Lamp life About 1500 hours 
Part number ELPLP13
Remote Control
Range 32.8 feet (10 meters)
Batteries Alkaline AA (2)
Mouse Compatibility
Supports PS/2, USB, and ADB
Dimensions
Height 3.9 inches (99 mm)
Width 11.9 inches (304 mm)
Depth 9.1 inches (232 mm)
Weight 6.8 lb (3.1 kg)
Electrical
Rated frequency 50/60 Hz
Power supply 100 to 120 VAC, 2.4 A
200 to 240 VAC, 1.2 A
Power...

Technical Specifications61
Safety
United States FCC Part 15J Class B
UL1950 Rev. 3
Canada DOC SOR/88-475
CSA C22.2 No. 950 Rev. 3
CE Marking Directive 89/336/EEC
EN 55022 Class B
EN 50082-1
Directive 73/23/EEC
EN 60950
Computer Connector Pin Assignments
The Computer port is a female video RGB, 15-pin micro-D-style 
connector. 
Input pin Computer connector signals
1 Red video
2 Green video
3 Blue video
4 GND
5 GND
6 Red video GND
7 Green video GND
8 Blue video GND
9 Reserve
10 Synchronous GND
11 GND
12...

62Technical Specifications
Compatible Video Formats
The projector supports the video formats listed below. To project computer 
images, the computer’s video card must be set at a refresh rate (vertical 
frequency) that’s compatible with the projector. 
Mode ResolutionFrequency
EPSON 
PowerLite 50cEPSON 
PowerLite 70c H 
(KHz)V 
(Hz)Pixel 
(MHz)
PC (RGB) compatible modes
VGACGA
VGAEGA
VGA60
VGA72
VGA75
VGA85
VGA Text
VGA Text
SVGA56
SVGA60
SVGA72
SVGA75
SVGA85
XGA43i
XGA60
XGA70
XGA75
XGA85
SXGA1-70...

Technical Specifications63
* Resize mode (all others native mode)
** Select 4:3 or 16: 9 mode as the Aspect Ratio setting in the Video menu; see page 40 for instructions.PC (YUV) compatible modes
HDTV525I (D1) **
HDTV525P (D2) **
HDTV750P (D4) **
HDTV1125I (D3) **
HDTV1125I (D3) **640 x 480
640 x 480
1280 x 720
1920 x 1080
1920 x 108015.734
31.469
45
33.75
31.2559.94
59.94
60
60
50.0413.5
27
74.25
74.25
74.25800 x 600 *
800 x 600 *
800 x 450 *
800 x 450 *
800 x 450 *1024 x 768 *
1024 x 768 *
1024 x 576...

64Technical Specifications 

7
Notices65
Notices
This chapter includes safety instructions and other important 
information about your EPSON PowerLite.
Important Safety Instructions
Follow these safety instructions when setting up and using the 
projector:

Do not place the projector on an unstable cart, stand, or table.

Do not use the projector near water or sources of heat.

Use attachments only as recommended.

Use the type of power source indicated on the projector. If you are 
not sure of the power available, consult your...