For the benefit of anyone who needs to know:

13 total of 405nm LED’s:
- 4 on top, under the white translucent strip (a pair straddles each of two brighter white LED’s)
- 3 on each side column
- 3 underneath rotating table, located toward rear of unit
A couple days ago I was “fooled” by the asymmetry of the lighting at the bottom of the Form Cure, and thought I might have had some burnt out LED’s. It was a false alarm, but I decided to post this diagram to help out anyone else wondering where the 405nm LED’s should be illuminating. They’re tricky to see through the protective tinted cover, but with some patience it’s possible to identify all of them.
By the way, DO NOT ever attempt to bypass the safety interlock mechanism.