Epson EH-TW8000 Service Manual page 43

EH-TW8000/TW9000/TW9000W
Error Status Faulty part / Part name
Optical Engine
Projecting position cannot be
adjusted with Lens Shift.
MA Board
Optical Engine
Image is blueish.
MA Board
Optical Engine
Image is reddish.
MA Board
Optical Engine
Image is yellowish.
MA Board
Abnormality can be seen on the
Optical parts
projected image.
SEIKO EPSON
Troubleshooting
Cause
Optical Engine is broken.
Replace Optical Engine (Optical Engine and MAB Set).
Cable is broken.
Cable is not connected properly. Connect the cable correctly.
MA Board is broken. Replace MA Board (Optical Engine and MAB Set).
FPC for L/V (R) is not connected
properly.
FPC for L/V (R) is broken.
MA Board is broken.
FPC for L/V (G) is not connected
properly.
FPC for L/V (G) is broken.
MA Board is broken.
FPC for L/V (B) is not connected
properly.
FPC for L/V (B) is broken.
MA Board is broken.
Deterioration, mal-alignment, or
contamination of the optical part(s).
43
Remedy
Connect FPC for L/V (R) to MA Board correctly.
Replace Optical Engine.
Replace MA Board (Optical Engine and MAB Set).
Connect FPC for L/V (G) to MA Board correctly.
Replace Optical Engine.
Replace MA Board (Optical Engine and MAB Set).
Connect FPC for L/V (B) to MA Board correctly.
Replace Optical Engine.
Replace MA Board (Optical Engine and MAB Set).
Clean or replace the optical part(s).
Replace Optical Engine.
CONFIDENTIAL
Reference
• 2.4.6 Cable Connection
and Projector's Status
(p51)
• "3.3.6 MA Board
(assembly) (p70)"
• 3.3.8 Optical Engine
(assembly) (p78)
3.3.6.3 Optical Engine and
MAB Set (p75)
• 2.4.6 Cable Connection
and Projector's Status
(p51)
• "3.3.6 MA Board
(assembly) (p70)"
• 3.3.8 Optical Engine
(assembly) (p78)
2.4.5 Troubleshooting on
image abnormality (p49)
3.3.8 Optical Engine
(assembly) (p78)
Revision A