Epson EMP-S4 - Page 57

3-9
EMP-S4
SEIKO EPSON Revision:B
B
C
Ye s
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C
No
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No
(Continued from previous page)
Connect the host
computer to the Computer
connectors and display
an image.
Does an image appear
on the screen?
Press the [Source] button
to change the display to
Computer.
Does an image appear
on the screen?
Replace the computer
cable.
Does an image appear
on the screen?
Replace the Optical
Engine and MA Board.
Is the image quality good?
1. Press the [Menu]
button.
2. Select the "Image"
menu.
3. Adjust the brightness
and contrast.
Is the image quality good?
Replace the Optical
Engine and MA Board.
Connect external devices
to all the interfaces.
Connect a source to the
interface to be checked.
Audio Output