4-9
EMP-9000/8000
SEIKO EPSON Revision:A
Continued from page 4-7
Figure4-7
C
Replace optical engine.
NO
Connect host computer to
the Computer In interface.
Does picture quality is good?
Does screen appear?
Change the video mode by
pressing
source button.
Does screen appear?
Replace Main board.
Does screen appear?
Replace computer cable.
Does picture quality
is good?
Take the adjustment shown
in the table 1(page 4-7).
Does screen appear?
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
Does following devices are
checked?
Video In
S-Video In
Connect the proper device
which are not checked.
A
A
C
Connect the CRT to the
Computer Out interface.
Does screen appear on the
CRT?
Replace MA board.
Does screen appear on the
CRT?
Replace monitor cable.
Does screen appear on the
CRT?
Replace CRT monitor.
Go to Audio out
B
C
B
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