Stuck AUX button (was: Status OpenPhoneux / GTA04)

Joshua Judson Rosen rozzin at
Mon Jul 30 06:53:34 CEST 2012

"Dr. H. Nikolaus Schaller" <hns at> writes:
> Am 05.07.2012 um 00:13 schrieb Boudewijn:
>     On Tuesday 03 July 2012 11:15:16 Dr. H. Nikolaus Schaller wrote:
>     > The reason appears that the DM3730CBP gets some warp during
>     > the soldering process squeezing the balls in the middle of the BGA
>     > grid so that they may touch a neighbor and make a short circuit.
>     > And on the corners the balls lift off and this may result in
>     interruptions.
>     Can that also be the reason for the AUX button getting stuck? Does the
>     warping of the CPU-PCB also warp the main PCB, or is there no reason to
>     suspect so?
> No, the AUX button is a different issue. It is an accumulation of tolerances
> of the button position and how the whole PCB fits into the plasic
> case.

On that note..., my GTA02 has been sitting on a shelf in my study
with a stuck AUX button.

Is there any special advice for getting it un-stuck?

"Don't be afraid to ask (λf.((λx.xx) (λr.f(rr))))."

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