The only thing at this point is to measure the VDD out of the 3v regulator to make sure it's working.
Schematics are in the Wiki.I've attached an early H4 PCB image for you.
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On Thursday, February 17, 2022, 11:42:16 a.m. EST, Brady Nelson <tbradynelson@...> wrote:
Sorry should have been clearer, it doesn't turn on even with the battery disconnected.