Service manual

3-9
EMP-S3
SEIKO EPSON Revision:B
(Continued from previous page)
B
Connect the host computer
to the Computer connec-
tors and display an image.
Is the image quality good?
Connect external devices
to all the interfaces.
Yes
No
No
Does an image appear on
the screen?
1. Press the [Menu] button.
2. Select the "Image" menu.
3. Adjust the brightness
and contrast.
Connect a source to the
interface to be checked.
No
Press the [Source] button
to change the display to
Computer.
Is the image quality good? C
No
Replace the Optical
Engine and MA Board
Does an image appear on
the screen?
Yes
Audio Output
No
Replace the computer
cable.
Does an image appear
on the screen?
Yes
No
Replace the Optical
Engine and MA Board
Yes
Yes
Yes
C