Why F1 can not be shorted as a regular fuse?. I know F1 was put there for a reason, but most switched power supplies have overcurrent protection, so connectiong a very havy load to the USB should only result in the power supply going off as protection.
2015-07-01 17:54 GMT-05:00 John Hawley <[email protected]>: > As was suggested, the likely cause is a blown F1 (from what we've seen). > The fuse can be found on the top of the board near the USB connectors, > opposite side from the sd-card cage. It's a little blue thing with an > "N" on it. If you have a multimeter, you can check if there's any > voltage across the line while the board is on, to see if it's blown (and > something I'd recommend before considering an RMA or attempting to > repair it yourself). > > Although it is possible to replace it with another 1.5A - 2A fuse of the > same size (it has to be soldered), be aware that doing so will void > your manufacturer's warranty. > > If you've been able to confirm that F1 is in fact blown, I'd recommend > going through the RMA process as your first option. > > - John 'Warthog9' Hawley > > On 07/01/2015 02:42 PM, Ferchu R wrote: > > I had the same issue as Peter (broken F1). At the time, the only > > walkaround was using a powered USB Hub. I asked on this board how can I > > get the board back to its functionality, but sadly I was not given any > > advice, even from CircuitCo. > > > > > > > > 2015-07-01 14:58 GMT-05:00 peter <[email protected] > > <mailto:[email protected]>>: > > > > Hi Sidney, > > > > I had the same effect with my Minnow Board. Someone here suggested > > to check fuse F1 (to the left of the USB connector). It was blown > > although there was just a keyboard connected to the board. > > > > Peter > > > > > > On 01.07.2015 21:15, Sydney Lybert wrote: > > > > Hello, > > > > > > I recently purchased a Minnowboard. I was attempting to install > > an OS on > > it (Ubuntu 14.04.2). During the installation, it suddenly died, > > and now > > the USB connections won't pick up any USB devices. Any ideas why > > this > > would happen? I've tried disconnecting the power and restarting > > everything with the USB devices already connected, and I've tried > > powering on the board and then connecting the devices, to no > avail. > > > > > > Thanks, > > > > -Sydney Lybert > > > > > > > > _______________________________________________ > > elinux-MinnowBoard mailing list > > [email protected] > > <mailto:[email protected]> > > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > > > > _______________________________________________ > > elinux-MinnowBoard mailing list > > [email protected] > > <mailto:[email protected]> > > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > > > > > > > > > > _______________________________________________ > > elinux-MinnowBoard mailing list > > [email protected] > > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > > > _______________________________________________ > elinux-MinnowBoard mailing list > [email protected] > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard >
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