Abnormality Check - Epson EMP-1825 Service Manual

EMP-1825/EMP-1815/EMP-1810

3.3.2 Abnormality Check

START
Any abnormal noises?
No
Overheated?
No
Any visual abnormality?
No
Any abnormal smell or
anything burning?
SEIKO EPSON
Yes
Check the fans for any foreign objects around them.
The cause might be a malfunction of the power supply unit
(pulse transformer vibration, etc.).
Yes
Check the thermistors and Safety Switch for malfunction.
Check the fans for dirt or abnormality.
Check the Air Filiter for dirt.
Check the Optical Engine for malfunction.
Yes
Check for Malfunction of Optical Engine.
Check for dirt/deformation on: Light Guide Unit,
Projection Lens, Light Valves.
Yes
Check for burn on the cables from heat.
Check for burn of dust from heat.
Flowchart 3-2 Abnormality Check
3-10
CONFIDENTIAL
Revision:C