Go the RMA route so it can be looked at. Gerald
On Fri, Sep 5, 2014 at 12:08 PM, Jon E <jesco...@googlemail.com> wrote: > Hi, > > Similar to a couple of older threads I've found on searching, one of my > BBB's (a rev B) has recently stopped powering up from VDD_5V (either the > barrel jack or P9 connector). > > Not sure what might have triggered this, nothing had changed in hardware > setup for some time, power was permanently supplied from a 5V wall wart and > it was being cleanly shutdown from software each day, and restarted from > the on-board power button. Only things connected were ethernet, a USB RF > dongle, and a hall effect sensor (powered from VDD_3V3B). Have since > removed everything, and just attached a serial debug cable. > > Timing to failure is a bit variable, from nothing at all, to a brief flash > of the power LED, to getting several seconds into boot before it dies (have > also tried running from a bench supply, but just the same results). I > suppose the PMIC is shutting things down for a reason (it draws no current > in this state), but it is still working fine from the USB_DC line. > > So I'm a bit stumped. Any ideas, or should I look for an RMA? > > Thanks in advance, > Jon > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
