Lenovo g700 no audio on speaker ok on headphones

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  • Kiop
    Member
    • Nov 2018
    • 28
    • France

    #1

    Lenovo g700 no audio on speaker ok on headphones

    Hello

    So i had this weird problem before putting back that lenovo g700 i checked the speakers but no sound on them .

    I checked the speakers they are ok .

    I checked also the plastic plug and i got continuity on the four pin of them .

    I have sound on headphones but not on speakers .

    I checked the datasheet :



    So the idt chip is also the one wich powers directly the speakers thought

    there are maybe a chip amplifier for them , but no .

    So do i need to change the idt chip ?
  • raajkumar
    Badcaps Veteran
    • Mar 2015
    • 354
    • Srilanka

    #2
    Re: Lenovo g700 no audio on speaker ok on headphones

    You have to check Audio out Connector also. sometimes if any dust stuck inside that connector it will give same problem. If that IDT chip found fault, you cannot hear sound on headphone also.
    Last edited by raajkumar; 03-13-2019, 11:47 PM.

    Comment

    • Kiop
      Member
      • Nov 2018
      • 28
      • France

      #3
      Re: Lenovo g700 no audio on speaker ok on headphones

      Thanks for the reply , yes you're right i think the problem must come from the idt audio chipset wich think the hedphones is always plug on even if it is removed and dosen't enable the internal speaker .

      So i think there is a problem with the enable / disable signal of the headphone ?

      I need to check the datasheet to find if there is pin to signal the chip about that right ?

      I tried also without the audio / usb board where is the audio headphone and with another card but same problem .

      Wich is strange because i think by defaut the speaker must be on ?

      May be there is also a trick also in the registry of windows ?

      Thanks anyway .

      Comment

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