iCR 3600
TM
– Service Manual
•
Motor movement and magnet/reed switch are most likely functional as RETURN TO
HOME followed by START SCAN commands operate without apparent error. These
commands are executed prior to expecting laser triggers.
Setup:
1. Power off the CR unit.
2.
Remove back cover (see Section 8.2 for instructions) and back optical cover (see step
3 from Section 8.11 for instructions).
3.
Switch
off
PMT board hi-voltage by switching the one red switch on the PMT board
inward, towards the center of the PCBA.
4. Power on the CR unit.
5.
Press and hold the two Power Distribution board push-button switches. If all five
Diagnositc LEDs do not brightly illuminate, stop! Possible failures include:
• Power Distribution fuses are blown (see Section 8.12 for instructions)
CAUTION
If fuse(s) are found to be bad and replacement fuse(s) continue to
blow,
STOP
! A potentially dangerous electrical situation may exit and the CR
unit should be returned to the factory for repair.
• Bad Power Distribution board or cabling.
• Bad +24V Power Supply 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.
6.
Turn the slide motor shaft by hand until the slide is observed to be well away from
the HOME position.
Checks:
1. If the Eraser LEDs do not illuminate, STOP! Possible failures:
•
If eraser lights are switch-able, then verify the eraser switch is in the ON position.
• Power Distribution fuse(s) has blown.
CAUTION
If fuse(s) are found to be bad and replacement fuse(s) continue to
blow,
STOP
! A potentially dangerous electrical situation may exit and the CR
unit should be returned to the factory for repair.
• Bad Power Distribution board or cabling
• Bad +24V Power Supply 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.
c
2007-2009
Confidential and Proprietary
Property of iCRco, Inc.
40 of 61 Document # 3600-02A Rev C
March 22, 2010
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