What is involved in preforming the hardware Buzz fix?

Joerg Reisenweber joerg at openmoko.org
Sat Apr 4 01:08:15 CEST 2009

Am Fr  3. April 2009 schrieb Adam Jimerson:
> Hi all,
> I am getting several complaints about the buzzing from my phone, some people
> are even answering my calls from my mobile number.  I live in Tennessee area
> in the USA and a bit far to have my phone shipped to Germany for the fix
> party, mostly due to the amount of time I will be without a phone and
> shipping cost concerns.  If there is not someone in my area that can do
> this, yes I will pay any fees that is asked for this service, then can
> someone send detailed instructions on what needs to be done to me and I can
> look over them with some of my friends and see if one of them thinks they
> can do it, I am not very good with soldering irons and I don't want to kill
> my phone.  I did look at the photos from one of the other buzz fix threads
> and while most are not detailed enough to base a fix on it did look simple
> even to me.

Please don't underestimate the amount of experience and skills it needs to do 
Anyway http://people.openmoko.org/joerg/GSM_EMI_noise/ is the place to go and 
have a look at files named bigC*
Probably if you take a printout of big-C_rework_SOP_rc2.pdf to next cellphone 
repair shop, and bring your (preferably already disassembled and prepared 
[protect screen, remove mic-rubber]) FR, they can do the job in 30min. Maybe 
you need to find the components prior to that. In US I think Steve could send 
them to you.
> Thanks for the time in this matter.
> P.S. Is the next hardware release of the phone, if one is planned, have this
> fix already applied?

A7 revision is bigC-buzzfixed by default, A6 is shipping now with buzzfix 
rework afaik.

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