APM 2.0 no longer powered from output rail.

Everything used to work fine, but suddenly the APM does not longer get powered by the ESCs on the output rail.

If I connect power to the input rail or USB the APM still works (but shuts down once I disconnect the USB cable). Any guesses at what component broke?

A possible workaround seems to be to connect the +/- from the output rail to the input rail?

Thanks!

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  • Make sure JP1 is inserted.  If it is, the only thing left is the diode (D1).

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