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- Optic Engine can not turn on/ No picture
LED indicator ON
at st-by
No
Change Main
B/D
Check the
connecting status
No
of 40p cable（DMD）
Re-connect
the Cable
Check the
connecting status of
No
50p cable（R/G/B LED）
Re-connect
the Cable
Change the
Main B/D
Change the
Drive B/D
Change optic
Engine
Yes
Yes
Yes
No
No
Check Poor connection
or Damaged cable
Check Poor connection
or Damaged cable
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