Re: [Paparazzi-devel] Re: Blown power supply?

[David Buzz Carlson]

Seems the best way is to grind off the legs with a dremel and then 
remove them with a normal soldering iron.

Buzz

Jan Nowack wrote:
> Hi Jesper, hi all,
> unfortunately we also have a blown power supply. And this happend on
> our first flight :(.
> Do you have any tips how to change, especially remove the
> PTH08080WAH-Module from the tiny board? Do you have used any "special
> equipment" for this?
>
> Greetings
>
> Jan
>
>
> 2009/3/22 Jesper Kempe <address@hidden>:
>   
> > Hi again
> >
> > For information I can say that it looks like it was the power supply that
> > was broken. I managed to remove it  from the Tiny board and when I hook up
> > +5V to the output pin of the power supply module (pin 3 on the PTH08080WAH)
> > the Tiny comes to life and the led starts to blink. I even got a GPS fix
> > inside my workshop.
> >
> > Now I only need to get a new module and hope that it was a bad module that
> > broke and that it has nothing to do with my autopilot.
> >
> > //Jesper
> >
> > 2009/3/22 Jesper Kempe <address@hidden>
> >     
> > > Hi All
> > >
> > > Yesterday I finally managed to fix my airplane after my last incident and
> > > began to reinstall the Tiny.
> > > When everything was connected and I had wrapped the board in some foam I
> > > thought I should test everything before the final installation. I had
> > > everything tested OK outside of the plane the day before. But this time when
> > > I connected the battery a very bad sound was heard from the Tiny. It sounded
> > > like a very bad short cut!
> > > I immediately disconnected the battery and tried to see if anything was
> > > burnt but I cannot find anything that looks broken. I tried one more time to
> > > connect the battery but this time nothing happens. The thing is dead! :-(
> > >
> > > After I while I decide to try to locate the fault. I think it looks now
> > > like the power supply, the PTH08080WAH module, is broken. When there is
> > > power connected to it it does not give me +5V on the output pin. I should be
> > > able to just measure on the output pin against ground, right?
> > >
> > > The question for you guys now is if it possible to change that module?
> > > Of course it is possible but I mean more if you think it possible that the
> > > rest of Tiny has survived and that the module is the only thing broken? Is
> > > it worth a try?
> > >
> > >
> > > Regards
> > >
> > > Jesper
> > > Sweden
> > > Still on the ground...
> > >       
> > _______________________________________________
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> > address@hidden
> > http://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >
> >
> >     
>
>
>
>