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Fixing a cellphone headset

Discussion in 'Electronic Repair' started by [email protected], Jun 1, 2005.

  1. Guest

    I want to repair a cellphone headset that stopped working. Seems there
    was a short near the jack (i.e. the signal clips in and out if I wiggle
    the wire where it meets the jack). Does anyone know the wiring
    diagrams for these types of headsets (it's a JABRA Ear Boom if that

    The jack itself is 2.5mm and the headset has a speaker, mic, and a
    function button. I stripped down the outer insulation and used an
    ohmmeter to try and trace the wiring. There's a green metallic wire, a
    red metallic wire (wound around what appears to be a piece of string),
    and a green insulated wire. Inside that wire is another green
    insulated wire (goes to the tip) surrounded by a copper sheath (that
    goes to the sleeve). I can't find anything wired to the ring. Any
    thoughts on where I start?

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