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3-21
EMP-822/EMP-83/EMP-X5/EMP-S5
SEIKO EPSON
Revision:A
3.3.9 Switch Board’s Operation Check
Flowchart 3-11 Switch’s Operation Check
Start
NG
2. Replace Switch Board.
1
. Does pressing [Power] button turn the power on/off?
2. Does pressing [Menu] button display the menu window?
3. Does pressing [Source Search] button change input sources?
4. Does pressing [
H
elp] button display the help window?
5
. By pressing [Enter] button, is the selected item effective?
6
. By pressing the keystone buttons, is the adjustment effective?
7
. By pressing [ESC] button, is the current status canceled?
1
. Re-connect MA board
CN
70
2 correctly.
3. Replace Optical Engine
and MAB set.
END
NG
NG
If the buttons does not work correctly,
apply the remedy from the top (
1
).
If it doesnot work, go on to the next
remedy.
For more information, refer to
4.3.4.1. "Removing the Switch Board Assy." (p. 17)
Engine and MAB set(1) (MA Board Assy.) /IF Case" (p. 26)
4.4.5 "Removing the Optical Engine and MAB set (2)
.