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Default Universal Laser Systems P/N 12-900-D Schematic from around 1992??

Hi people,

Long chance I know but if you don't ask...

I am trying to get an old Laser marking machine going and this board
is almost working, just not putting out the correct PWM voltage.

I need a schematic for this board if it rings a bell with anyone.

Universal Laser Systems P/N 12-900-D

Thanks

Dave
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