[Gta04-owner] Headset jack adapter

Dr. H. Nikolaus Schaller hns at goldelico.com
Sat Sep 22 15:30:56 CEST 2012

can it be that Nokia has different standards?

We have experimented and tested the GTA04 design with this one:


And the pin assignment is described in the manual in section 6.10.
It is based on the idea that you can also use a 2 wire 3.5mm headset w/o microphone and a AV chinch adapter cable for TV-out.

Unfortunately there is no official standard that is used by everyone. We even did think about adding an analog crossbar switch...
But these chips are far too big. So if someone knows a low power chip with a 6x6 crossbar in some BGA or WCSP package we could add it to some future GTA design.


Am 22.09.2012 um 10:16 schrieb Orest Tarasiuk:

> Hmm, it surprises me that the Nokia adapter didn't work for you. I was looking for a headset for my GTA04 (expected soon) and Neil recommended Nokia compatible ones [1]. As soon as I get the phone, I want to give it a try...
> Hopefully there are some people out there who have already found a functioning combination.
> [1] http://lists.goldelico.com/pipermail/gta04-owner/2012-August/002904.html
> Orest 
> On 20/09/12 19:37, Gilles Filippini wrote:
>> Hi,
>> It seems difficult to find the right headset jack adapter, here in
>> France. I've just bought this one [1] because it's a Nokia and it has an
>> integrated microphone. Unfortunately I can't hear anything but an
>> intermittent buzz.
>> Could someone share an adapter reference available in western Europe?
>> Many thanks in advance,
>> [1]
>> <http://www.amazon.com/Nokia-XpressMusic-AD-56-Navigator-Supernova/dp/B003JVL8QC>
>> _g.
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