Epson EMP-8000 - Operator Panel Troubleshooting

4-11
EMP-9000/8000
SEIKO EPSON Revision:A
Operator panel
Figure4-9
Start
Does power button works?
Does menu button works?
Does Sync +/- button works?
Does Enter button works?
Does computer button works?
Replace Operation panel.
Does all button works?
Replace MA board.
Does Help button works?
Does Resize button works?
Does Volume button works?
Does AV Mute button
works?
Does Tracking +/- button
works?
Does Video button Works?
Does ESC button works?
Does Key stone button
works?
Does Shift +Volume button
works?
YES
NO
NO
NO
NO
YES
NO
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Go to Remote controller.
Reconnect cable connector
on the CN502 of MA board.
Does all button works?
NO