Re: [Discuss-gnuradio] Dead USRP box?

[Matt Ettus]

We don't offer repair services.  While it does not happen to many units, 
the second-most common failure mode of the USRP is for the USB interface 
to stop functioning.  We have put static protection on those lines, but 
it does not always help.  It can be fixed by replacing the FX2.

BTW, the MOST common failure mode is a blown fuse due to the user 
attaching the USRP to a 12 Volt power supply.

Matt

Bob Cameron wrote:
> Hi Berndt
>
> Have you heard this happening on more than just our boards? Weird!
>
> I assume you have the same blinking LED so this excludes the EEPROM 
> load from the problem? I use to work on some Alcatel data radios with 
> the Altera chips and we had EEPROM failures every now and then.
>
> I have emailed Matt in case he offers a repair service. If not I might 
> just wait till you have repaired yours. <grin>
>
> Cheers Bob
>
> Berndt Josef Wulf wrote:
> > G'day Bob,
> >
> > this is exactly what happened to my USRP board. The board seems operational 
> > except it won't communicate. I've ordered the FX2 chip from DigiKey as I 
> > believe it to be faulty. Digikey actually managed to sent me the wrong part, 
> > a RAM chip, inside an otherwise correctly labled package. The hopefully 
> > correct part is on its way, so it shouldn't be long until we know if it fixed 
> > the problem.
> >
> > It just begs the question, what causes this chip to fail? As described by Bob, 
> > it was left off for several month and failed on subsequent power up.
> >
> > Seasons Greetings,
> >
> > cheerio Berndt
> >
> > On Sunday 21 December 2008 12:48:40 Bob Cameron wrote:
> >   
> ------------------------------------------------------------------------
>
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>