Other - Epson EMP-TW1000 Service Manual

3.2.7 Other

START
Is the projector making abnor-
mal noise?
No
Is the projector overheating?
No
Are there any image
problems?
No
Is there any abnormal
odor or smoke?
SEIKO EPSON
EMP-TW1000
• Check for any objects around the Exhaust Fan, LV Fan, Lamp Fan and Power
Yes
Supply Fan.
• The cause might be a malfunction of the power supply unit (pulse transformer
vibration, etc.).
• Mulfunction of a motor.
• Abnormal noise from the Auto Iris Assy.
Yes
• Malfunction of the Lamp Thermistor, LV Thermistor or Safety Switch.
• Malfunctioning or dirty Exhaust Fan, Intake Fan or Power Supply Fan. Clean or
replace as necessary.
• Dirty air filter.
• Malfunction of the Optical Engine.
• Malfunction of Optical Engine
Yes
Malfunctioning or dirty Light Guide Unit (lenses, mirrors, etc.).
•
Dirty Projection Lens.
•
Malfunctioning or dirty Light Valve. Replace the Optical Engine and MA Board
•
• Charring of cables due to excessive heat. Replace any damaged cables and resolve
Yes
the overheating problem.
• Dust burning due to heat. Make sure the air filter is not damaged, and check for
excessive heat.
3-12 Revision:A