Laser PSU dying? I'd like a sanity check on my diagnosis.

[Bill George]

Is your HV wire shorting to ground someplace?

[Clinton Crawford]

Is your HV wire shorting to ground someplace?

Not sure what it was, but I spent part of today tearing everything down, giving a good spritz with contact cleaner and putting it back together. All connections are the same, but my gremlins are gone.

Previously, PWM control wasn't working, I was just getting 20mA at all times. Now, I've got properly adjustable power again.

No further DSP issues either. I'm guessing I had a weird connection somehow. Leaks seem to be cured though, so I'm happy.

Thank you very much for all of your suggestions and help! I really appreciate it