Epson EH-TW9000 Service Manual

EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL
SEIKO EPSON 49 Revision A
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
 BDM
 GDM
 Mirror
 MULTI LENS
Some optical parts might mist for some
reasons.
Replace Optical Engine.
"3.3.8 Optical Engine (assembly)
(p78)"
Phenomenon Defective part / Part name Cause Remedy Reference
Color non-uniformity can be seen partially in
the projected image.
 N POLARIZER
 PBS MASK
• Some optical parts may become
deteriorated due to the prolonged usage.
• Some optical parts may be broken.
Replace Optical Engine
"3.3.8 Optical Engine (assembly)
(p78)"

Epson EH-TW9000 Specifications

General

Brand	Epson
Model	EH-TW9000
Category	Projector
Language	English