Epson ELP-3500 Service Manual page 82

EPSON ELP-3500 Service Manual
START
(Display Mode is OK.)
YES
Check the projector with
a PC. Is PC input OK?
NO
Reconnect CN100 and
CN101 on the main board.
Is PC input OK now?
YES
NO
Replace the main board.
Is PC input OK now?
YES
NO
Replace the driver
board.
Is PC input OK now?
YES
NO
Replace the interface
unit.
Video Display Mode
YES
Is loop throughput
OK?
NO
Replace the main
board.
Is loop throughput
OK now?
YES
NO
Replace the driver board.
Figure 4-4.
4-5
YES
Is video input OK? Does the Brightness
control work with the
NO
Replace the main
Replace the driver
board.
Does the Brightness
Is video input OK
control work with the
now?
YES
video menu now?
NO
Replace the driver
board.
Is video input OK
now?
YES
NO
Replace the
interface unit.
YES
video menu?
NO
board.
YES
NO
Replace the main
board.
Go to "Audio Mode."