OMG
When it blew the DSP, sorry you have to pay big time. My connection didn't ask anyone to do the connection from the DSP. The feedback from the HV voltage can kill the DSP controller without mercy!
You better follow the diagram exact or you will pay for the repair, big time
Yes. get that DC-DC isolated power module. Spent a couple buck and save you hundreds dollars. Worth? You make the call.
Marco
