iCR 3600
TM
– Service Manual
2. If the galvo mirror is not oscillating, STOP! Possible failures:
• Bad PMT board or cabling
• Bad Galvo/Controller or cabling
• Bad Quad Power Supply or cabling
•
If a fix has not been accomplished by this point, the machine should be returned
to the factory for repair.
3. If the Laser is not illuminated, STOP! Possible failures:
•
If the laser has an external power supply, check to verify that the programmable
power setting is not set too low
• Bad laser, laser/supply combo, or cabling
• Bad PMT board or cabling
• Bad Quad Power Supply or cabling
•
If a fix has not been accomplished by this point, the machine should be returned
to the factory for repair.
4.
Temporarily place a Post-it
R
or similarly light-colored paper behind the Trigger board.
This enables viewing of the laser beam.
5.
If the laser beam is
not
observed to OVERLAP the Trigger board,
STOP
! Possible
failures:
• Galvo AMP setting too low; try increasing AMP setting
• Bad PMT board or cabling
• Bad Galvanometer/Controller or cabling
•
Beam may require re-alignment. This alignment is accomplished by galvo
adjustment and is beyond the scope of this failure analysis. Please contact
Technical Support for further assistance.
•
If a fix has not been accomplished by this point, the machine should be returned
to the factory for repair.
6.
If the laser beam does
not
cross through the center of the trigger sensor,
STOP
!
Possible failures:
• Bad Trigger board
Note
The Trigger board cable is un-keyed and is therefore prone to misconnec-
tion.
• Bad PMT board or cabling, specifically the TILO cable
• Bad Quad Power Supply or cabling
If a fix has not been accomplished by this point, the machine should be returned to the
factory for repair.
c
2007-2009
Confidential and Proprietary
Property of iCRco, Inc.
41 of 61 Document # 3600-02A Rev C
March 22, 2010
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