EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL
SEIKO EPSON 46 Revision A
TROUBLESHOOTING ON OPERATION ABNORMALITY
Error Status Faulty part / Part name Cause Remedy Reference
Operation using Remote
Controller cannot be made.
Remote Controller
Batteries ran out. Replace batteries with new ones. ---
Remote Controller is broken. Replace Remote Controller.
---
RC Filter (Front Case)
RC Filter (Upper Case)
RC Filter at the front (Front Case) or
the rear (Upper Case) is dirty.
Clean Front Case or Upper Case. Replace Front Case or Upper
Case if not improved.
• "3.3.4 Front Case (p67)"
• "3.3.5 Upper Case
(p68)"
RCF Board / RCR Board RC Board is broken. Replace the broken RC Board.
• 3.3.14 RCF Board (p99)
• 3.3.6.1 RCR Board
(p73)
RC Front Cable
RC Rear Cable
Cable is not connected properly. Connect the cable between RC Board and MA Board correctly.
• 2.4.6 Cable Connection
and Projector’s Status
(p51)
• "3.3.6 MA Board
(assembly) (p70)"
• 3.3.14 RCF Board (p99)
• 3.3.6.1 RCR Board
(p73)
Cable is broken. Replace the cable.
MA Board
Elements for remote control on MA
Board are broken.
If the error continues after carrying out the remedies above, the
related circuit on MA Board is broken, replace MA Board
(Optical Engine and MAB Set).
3.3.6.3 Optical Engine and
MAB Set (p75)
Operation using Control Panel
cannot be made.
SW Board SW Board is broken. Replace SW Board.
• 2.4.6 Cable Connection
and Projector’s Status
(p51)
• "3.3.6 MA Board
(assembly) (p70)"
• "3.3.12.1 SW Board
(p95)"
SW Cable
Cable is not connected properly. Connect the cable to SW Board and MA Board correctly.
Cable is broken. Replace the cable.
MA Board
Elements for operation control on MA
Board are broken.
If the error continues after carrying out the remedies above, the
related circuit on MA Board is broken, replace MA Board
(Optical Engine and MAB Set).
3.3.6.3 Optical Engine and
MAB Set (p75)
LED does not light.
(Power can turn on.)
SW Board SW Board is broken. Replace SW Board.
• 2.4.6 Cable Connection
and Projector’s Status
(p51)
• "3.3.6 MA Board
(assembly) (p70)"
• "3.3.12.1 SW Board
(p95)"
SW Cable
Cable is not connected properly. Connect the cable to SW Board and MA Board correctly.
Cable is broken. Replace the cable.
MA Board
Elements for LED display on MA
Board are broken.
If the error continues after carrying out the remedies above, the
related circuit on MA Board is broken, replace MA Board
(Optical Engine and MAB Set).
3.3.6.3 Optical Engine and
MAB Set (p75)