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amplifier repair Cork

  • 18-12-2013 5:17pm
    #1
    calnand
    Registered Users, Registered Users 2 Posts: 719 ✭✭✭


    Hi guys, would anyone know where would be a good place to get my amplifier fixed. It has some distortion in the right channel. I've brought it to av service twice... And both times said that they repaired it. So I'm looking to find somewhere else that can fix it. Thanks


Comments

  • #2
    Slaphead07
    Registered Users, Registered Users 2 Posts: 2,323 ✭✭✭Slaphead07


    calnand wrote: »
    Hi guys, would anyone know where would be a good place to get my amplifier fixed. It has some distortion in the right channel. I've brought it to av service twice... And both times said that they repaired it. So I'm looking to find somewhere else that can fix it. Thanks

    check the output fuses for left/right channel. SWapping them will tel you if that's the issue. Cheap fix if it is!


  • #3
    ZENER
    Registered Users, Registered Users 2 Posts: 6,163 ✭✭✭ZENER


    If the repair shop found no issue then is it possible the problem was still at home ? Faulty speaker, interconnect (threw that one in for Slaphead ;) ) or source ? Or did they actually claim to have repaired something ? Did the problem appear to have been fixed when they returned it ?

    Is it a newish model or something of Slapheads (and mine) vintage ? Perhaps a scratchy volume/balance/tone control or a selector/function switch in need of cleaning.

    Ken


  • #4
    Slaphead07
    Registered Users, Registered Users 2 Posts: 2,323 ✭✭✭Slaphead07


    ZENER wrote: »

    Is it a newish model or something of Slapheads (and mine) vintage ?

    OI! :D While my preamp is a classic (ahem) my poweramp is only about 4 years old... even if it is a 20+ year old design!

    I kinda assumed stuff like leads would have been eliminated. But yeah, what did the repair guys actually fix?


  • #5
    calnand
    Registered Users, Registered Users 2 Posts: 719 ✭✭✭calnand


    They said that they cleaned up all the connections and ran the amp through all the tests and that it was fine. The speakers are brand new so they're not the problem. Its a pioneer a307r amp.


  • #6
    Slaphead07
    Registered Users, Registered Users 2 Posts: 2,323 ✭✭✭Slaphead07


    calnand wrote: »
    They said that they cleaned up all the connections and ran the amp through all the tests and that it was fine. The speakers are brand new so they're not the problem. Its a pioneer a307r amp.

    does it act up on all sources or just one?


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  • #7
    ZENER
    Registered Users, Registered Users 2 Posts: 6,163 ✭✭✭ZENER


    Is the sound distorted through headphones ? As mentioned above are all inputs distorted in the same way ?

    While listening to a source through headphones try pressing the Direct button to see if the distortion changes in any way.

    This amp used logic circuits to do the switching so I'm guessing the selector switches are not actually switching the audio signal path so contamination is unlikely to cause that type of distortion.

    Any change to the distortion caused by pressing switches or changing conditions could be useful in the diagnosis.

    Ken


  • #8
    calnand
    Registered Users, Registered Users 2 Posts: 719 ✭✭✭calnand


    Ok just checked all the sources and the distortion is present On all sources. Using headphones has distortion and pressing the direct switch doesn't change it.


  • #9
    tmull
    Registered Users, Registered Users 2 Posts: 224 ✭✭tmull


    Try AVTV up by the airport. Phone and ask to speak to Ken. TMULL


  • #10
    calnand
    Registered Users, Registered Users 2 Posts: 719 ✭✭✭calnand


    tmull wrote: »
    Try AVTV up by the airport. Phone and ask to speak to Ken. TMULL

    Thanks I'll get onto them after Christmas.


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