Epson PowerLite 5000 Servisní příručka Strana 103

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EPSON PowerLite 5000 Service Manual
4-8
Figure 4-7
Continued from page 4-7
Connect the host computer
to the Computer In 1
interface.
Is the picture quality good?
Does a screen appear?
Change the video mode by
pressing the computer or
video button.
Does a screen appear now?
Replace the computer VGA
cable.
Does a screen appear now?
Replace the main board.
Press the auto button.
Is the picture quality good
now?
Is the picture quality good
now?
Make the adjustments
shown in Table 4-3 on page
4-8.
Does a screen appear now?
Replace the optical engine.
YES
NO
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
NONO
NO
YES
YES
YES
Have the following devices
been checked?
Computer In 2
Video In
S-Video
Connect the device which
has not been checked.
A
A
C
Connect the CRT to the
monitor interface.
Does a screen appear on
the CRT?
Replace the monitor cable.
Does a screen appear on
the CRT now?
Replace the CRT monitor.
Does a screen appear on
the CRT now?
Replace the main board.
Go to Audio
Output
B
C
C
B
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