Hi, The problem is the same after JTAG header soldered. But Power LED not lighting up while powered up through USB cable from laptop. Is my BBB dead?
On Tuesday, 25 March 2014 09:53:03 UTC, Tsan-Ming Chou wrote: > > 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 <[email protected] <javascript:>>: > >> 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 [email protected] <javascript:>. >> 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
