Stuck AUX button (was: Status OpenPhoneux / GTA04)

Dr. H. Nikolaus Schaller hns at
Mon Jul 30 09:23:11 CEST 2012

Am 30.07.2012 um 06:53 schrieb Joshua Judson Rosen:

> "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?

Is is also stuck if the front (display) cover is not mounted?

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