Service manual
3-19
CONFIDENTIAL
EMP-1825/EMP-1815/EMP-1810
SEIKO EPSON Revision:C
3.3.9 Control Panel’s Operation Check
Flowchart 3-11 Control Panel’s Operation Check
Start
OK
NG
NG
2. Replace IS board Assy.
1. Make two adjustments
referring to Ch5 Adjustment.
NG
2. Replace Control Panel.
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 [Help] 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?
8. By pressing [QuickSetup] button,
is the function effective?
1. Re-connect MA board
CN502 correctly.
3. Replace Optical Engine
and MAB set.
NG
NG
If replacing IS board Assy, make
the same adjustment as the remedy 1
again. If it does not work, replace
Optical Engine and MAB set, and
make the same adjustment again.
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 Control Panel E/Lamp Lid Detection Switch"
(p. 15)/4.4.1 "Removing the Optical Engine and MAB (1) (MA Board Assy.)" (p. 20)/4.4.3 "Remov-
ing the Optical Engine and MAB (2) (Optical Engine)" (p. 42)/4.4.1.2. "Removing the SB Assy. IM*1
(IS Board Assy.*2)/IM Board Assy.*3 /CF Slot Assy.*3/USB Board Assy.*3" (p. 29)










