- power supply schematic for a ULS 25PS
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power supply schematic for a ULS 25PS
Anyone out there happen to have a schematic for the stepper motor / main logic power supply board used in a Universal Laser Systems 25PS machine?
This is a old machine (1994) and it looks like just the power supply is shot. No obvious damage but not getting any secondary voltage out of the power supply section. The main filter caps have ~330V across the two so the input rectification seems to be up and running correctly. Looks like something is up with the switching side of the power supply.
Thanks for any help.
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