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How to fix broken headphones cable by rewiring?

Discussion in 'General Electronics Discussion' started by moxol, Nov 28, 2018.

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  1. moxol

    moxol

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    Nov 28, 2018
    Hi everyone.
    I have a broken headphones where left speaker doesnt work.
    I have tried to rewire, but still speaker doesnt work.
    Let me describe problem:
    headphones are with MIC switch and it has two 3.5 mm jacks, one for MIC and one for SPEAKERS.
    Two cables go from SPEAKERS jack (for left and right speaker), and one cable goes from MIC jack.
    Cable for left speaker and MIC goes to MIC switch and from MIC switch goes cable to left speaker.
    I have removed MIC switch, cut wires and tried to rewire just cable for left speaker.
    I didn't solder it, just wraped them around, but I don't have sound.
    In cable there are two wires, one green and one copper wire.

    What am I doing wrong?
     
  2. Bluejets

    Bluejets

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    Oct 5, 2014
    Wire might have insulation (clear layer) as in winding wire.
     
  3. moxol

    moxol

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    Nov 28, 2018
    How does that insulation looks like?
     
  4. moxol

    moxol

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    Nov 28, 2018
    Here is how wires look like.
     

    Attached Files:

  5. Hopup

    Hopup

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    Jul 5, 2015
    Yes, there are layers of insulation, you can either remove it by cutting/scraping it off, or you can burn it, which I personally always do.
     
  6. Bluejets

    Bluejets

    4,618
    977
    Oct 5, 2014
    Seeing as the conductor is wrapped around a type of cotton core, I would tend to go more for tinsel flex. (aluminium conductor)
    If you have a multimeter you could confirm this with a continuity test from one end of each conductor to the other end assuming you can get access to the other end.
     
  7. moxol

    moxol

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    Nov 28, 2018
    I am not skilled with electronics, I assumed that all you needed is to join together green and copper wires, but apparently there's some problem.
    Headphones did worked before I removed MIC switch, but there was a problem with MIC switch and wire connection, left speaker didn't worked all the time, there was wire-switch lose connection.
     
  8. Hopup

    Hopup

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    36
    Jul 5, 2015
    There is cotton insulation and then there is the copper wire with enamel. You need to get rid of the enamel, it will burn off really easy, or you can scratch it also.
     
  9. moxol

    moxol

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    Nov 28, 2018
    I burned off enamel, but still not working.
     
  10. Hopup

    Hopup

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    Jul 5, 2015
    Seems like there is still no contact between the wires or you have some other problems with the headphones.

    Hard to give any more help unless you give more information.
     
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