Epson EH-TW7400 User Manual

Troubleshooting
79
Check Remedy
Is the contrast adjusted correctly?
Adjust the Contrast setting from the Configuration menu.
s Image - Contrast p.59
Is the color adjusted correctly?
Adjust the Advanced setting from the Configuration menu.
s Image - Advanced p.59
(Only when projecting images from a video
device)
Are the color saturation and tint adjusted cor-
rectly?
Adjust the Color Saturation and Tint settings from the Config-
uration menu.
s Image - Color Saturation/Tint p.59
Images appear dark
Check Remedy
Is the image brightness set correctly?
Adjust the Brightness setting from the Configuration menu.
s Image - Brightness p.59
Is the contrast adjusted correctly?
Adjust the Contrast setting from the Configuration menu.
s Image - Contrast p.59
Is it time to replace the lamp? When the lamp is nearly ready for replacement, the images be-
come darker and the color quality becomes poorer. When this
happens, replace the lamp with a new lamp.
s p.87
Projection stops automatically
Check Remedy
Is Sleep Mode enabled?
If the set time is exceeded and no signal is input, the lamp is
automatically turned off and the projector enters standby mode.
The projector returns from standby status when you press the
button on the remote control or the button on the con-
trol panel. If you want to disable Sleep Mode, change the setting
to Off.
s Extended - Operation - Sleep Mode p.65
Problems when projection starts
The projector does not turn on
Check Remedy
Is the power turned on?
Press the
button on the remote control or the button
on the control panel.
Is Child Lock set to On? When Child Lock is set to On from the Configuration menu, hold
down the
button on the control panel for approximately
three seconds, or perform operations from the remote control.
s Settings - Lock Setting - Child Lock p.62
Do the indicators turn on and off when the
power cord is touched?
Turn off the projector, and then disconnect and reconnect the
projector's power cord. If the problem continues, stop using the
projector, remove the power plug from the electrical outlet, and
contact your local dealer or the nearest projector information
center.
s Epson Projector Contact List

Epson EH-TW7400 Specifications

General

Matrix size	0.74 \
Number of colors	1.07 billion colors
Native aspect ratio	16:9
Projection distance	3 - 6.3 m
Vertical scan range	192 - 240 Hz
Projection technology	3LCD
Contrast ratio (typical)	200000:1
Screen size compatibility	50 - 300 \
Projector native resolution	WUXGA (1920x1200)
Keystone correction, vertical	-30 - 30 °
Throw ratio	1.35 - 2.84:1
Zoom capability	Yes
Focal length range	22.5 - 46.7 mm
Aperture range (F-F)	2 - 3
Vertical lens shift range	-96.3 - 96.3 %
Horizontal lens shift range	-47.1 - 47.1 %
Lamp type	UHE
Lamp power	250 W
Light source type	Lamp
Service life of light source	3500 h
Service life of light source (economic mode)	5000 h
Video processing	10 bit
Video color modes	Cinema, Dynamic, Natural, Bright cinema
Supported 3D formats	Side by side, Top and bottom
3D video colour modes	3D Dynamic, 3D Cinema
Analog signal format system	Not supported
DVI port	No
Audio (L/R) in	-
Composite video in	0
Serial interface type	RS-232
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Placement	Ceiling, Desktop
Product type	Standard throw projector
Product color	White
Market positioning	Home cinema
Cable lock slot type	Kensington
Noise level	31 dB
Country of origin	China
2D/3D frequency image	240/480 Hz
Noise level (economic mode)	20 dB
Power source	AC
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.2 W
Power consumption (typical)	355 W
Power consumption (economy mode)	271 W
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	10 - 90 %
Cables included	AC, HDMI
Pallet width	800 mm
Pallet height	2510 mm
Pallet length	1200 mm
Pallet weight	0 g
Pallet width (UK)	1000 mm
Quantity per pack	1 pc(s)
Quantity per pallet	16 pc(s)
Quantity per pallet layer	2 pc(s)
Harmonized System (HS) code	85286200
Software support	via: AMX, Crestron (Network), Control4

Weight and Dimensions

Depth	450 mm
Width	520 mm
Height	193 mm
Weight	11200 g
Package depth	655 mm
Package width	512 mm
Package height	260 mm
Package weight	14425 g