Sony PS-LX520 Turntable

Discussion in 'Electronic Repair' started by Madness, Sep 21, 2013.

  1. Madness

    Madness Guest

    Unit plays, but the stylus is picking up rumble from the motor.
    Direct-drive unit; all's quiet until the stylus lands on the record.
    It's quite pronounced if listening through headphones. Tried using an
    isolation mat & playing w/ the platter mat upside-down; no dice. Is it
    possible that I may need to re-lube the motor? Other ideas?
     
    Madness, Sep 21, 2013
    #1
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  2. Madness

    Sjouke Burry Guest

    On 21.09.13 5:52, Madness wrote:
    > Unit plays, but the stylus is picking up rumble from the motor.
    > Direct-drive unit; all's quiet until the stylus lands on the record.
    > It's quite pronounced if listening through headphones. Tried using an
    > isolation mat& playing w/ the platter mat upside-down; no dice. Is it
    > possible that I may need to re-lube the motor? Other ideas?


    Filter the input to the drive coils of the motor, or even
    make circuitry to supply sine-waves to the coils.
    That should reduce motor-rumble quite a bit.
     
    Sjouke Burry, Sep 21, 2013
    #2
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  3. Madness

    Phil Allison Guest

    "Madness = Fuckwit "

    > Unit plays, but the stylus is picking up rumble from the motor.
    > Direct-drive unit; all's quiet until the stylus lands on the record. It's
    > quite pronounced if listening through headphones. Tried using an isolation
    > mat & playing w/ the platter mat upside-down; no dice. Is it possible that
    > I may need to re-lube the motor? Other ideas?
    >



    ** Errrrrrrrrrrrrrrrrrr......

    Stop pulling your tiny dick and but a fucking CD player.

    Wot a PITA boring TROLL




    ..... Phil
     
    Phil Allison, Sep 21, 2013
    #3
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