Epson EB-X11 Service Manual

EB-S01/W01/X14G/S11/X11/S02/S02H/X02/W02/S12/S12H/X12/W12/X14 EH-TW480 Troubleshooting CONFIDENTIAL
SEIKO EPSON 44 Revision C
2.4.5 Troubleshooting on image abnormality
This section describes this projector’s possible troubles in image quality, and provides identification and troubleshooting procedures based on the observed phenomena.
Illumination reduction
COLOR NON-UNIFORMITY
Phenomenon Defective part/part name Cause Remedy Reference
The projected image became darker.
 CONDENSER LENS;
D/FB/FG2/R
 BDM/GDM
 Mirror;R
 MULTI LENS;A
Some optical parts might mist for some
reasons.
Clean the lenses, mirrors with a
nonwoven fabric wiper or
cotton bud moistened with
ethanol.
• "4.2.2 CONDENSER LENS;D/
FB/FG2/R (p125)"
• "4.2.3 BDM/GDM (p129)"
• "4.2.4 MIRROR;R (p131)"
• "4.2.6 MULTI LENS;A (p135)"
Phenomenon Defective part/part name Cause Remedy Reference
Color non-uniformity can be seen partially
in the projected image.
 N POLARIZER UNIT;B/R
 PBS MASK ASSY.2
 Some optical parts may become
deteriorated due to the prolonged usage.
 Some optical parts may be broken.
Replace the defective parts with
new ones.
• "4.2.1 N POLARIZER UNIT;B/R
(p122)"
• "4.2.5 PBS MASK ASSY.2
(p133)"

Epson EB-X11 Specifications

General

Matrix size	0.55 \
Projection distance	1.8 - 2.17 m
Projection technology	LCD
Contrast ratio (typical)	3000:1
Screen size compatibility	30 - 300 \
Projector native resolution	XGA (1024x768)
Keystone correction, horizontal	-30 - 30 °
Projector brightness (economic mode)	2080 ANSI lumens
Aspect ratio	4:3
RS-232 ports	1
Dimensions (WxDxH)	295 x 228 x 77 mm
Connectivity technology	Wired
F-number (relative aperture)	1.58
Focus	Manual
Offset	8:1 %
Throw ratio	1.48 - 1.77:1
Optical zoom	1.2 x
Focal length range	16.9 - 20.28 mm
Lamp type	UHE
Lamp power	200 W
Light source type	Lamp
Service life of light source	4000 h
Service life of light source (economic mode)	5000 h
DVI port	No
USB connector type	USB Type-A, USB Type-B
HDMI ports quantity	0
Serial interface type	RS-232
USB 2.0 ports quantity	2
Full HD	Yes
Supported video modes	1080i
Supported graphics resolutions	1024 x 768 (XGA), 1920 x 1080 (HD 1080)
RMS rated power	2 W
Image formats supported	BMP, GIF, JPG, PNG
Noise level	37 dB
Preset modes	Cinema, Dynamic, Presentation, sRGB
Country of origin	China
Noise level (economic mode)	29 dB
Product type	Standard throw projector
Product color	White
Cable lock slot type	Kensington
Power consumption (standby)	0.47 W
Power consumption (typical)	270 W
Pallet width	800 mm
Pallet height	2178 mm
Pallet length	1200 mm
Pallet width (UK)	1000 mm
Quantity per pack	1 pc(s)
Quantity per pallet	78 pc(s)
Quantity per pallet layer	6 pc(s)

Weight and Dimensions

Depth	228 mm
Width	295 mm
Height	77 mm
Weight	2300 g
Package depth	358 mm
Package width	357 mm
Package height	156 mm
Package weight	3500 g