If Power LED still lights up, that means no short happens. JTAG header has two reset signals: nSRST (system reset) and nTRST (JTAG reset). I believe one of these two pins must be connected incorrectly. You might try to dis-soldered the header first and see whether the BBB can work then.
2014-03-24 1:52 GMT+08:00 dd <ddlawre...@rocketmail.com>: > Hi. I bought BBB A6A new, 1 month ago. It worked OK out-of-the-box. > I power it from the USB from a windows laptop and poke around with a > browser. No problems. > I soldered on the proper JTAG header very carefully and now it is dead. > The Power LED lights up, but nothing else happens. > I am handy with electronics, programming and linux. > What can I do to troubleshoot the BBB? > Is there a DIY procedure? > I did not reflash the eMMC or a SDcard. > > thanks............dd > > -- > 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.
