Loudspeaker vs Earphone recognition?

Discussion in 'iPod touch' started by Trinomad, Jan 17, 2010.

  1. Trinomad

    Trinomad New Member

    Apr 14, 2009
    Likes Received:
    iPod touch
    Hi all,
    My IPT 2G has problems to note that the earphone is detached, so the loadspeaker stays silent and when I press the volume control buttons the sign poping up has the headline "earphone" (or similar, I use the German setup). This is the case in 70% of the time, so sometimes everything is ok.
    I wonder what is the mechansim that tells the IPT2 that he should switch to earpones or loadspeaker operation?

    Is it perhaps just a contact inside the jack that normally opens in case the plug is removed and now hangs? (Perhaps it is just a piece of dust that blocks it?)
    Or is it somehow in another way done?

    I am asking, as due to a cracked screen I in any case have to open the IPT and perhaps I could fix something in case I know where to have a look.

    So thanks for the hints!
    Cheers, Trinomad

    P.S. I have recovered the device already, w/o success. The firmware is 3.1.2 with jailbreak.

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