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Volume stays high on Sony CD player

Discussion in 'Electronic Repair' started by Boozo, Nov 15, 2004.

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  1. Boozo

    Boozo Guest

    Can anyone help me with any ideas on how to fix a Sony CDX-4180FP
    Radio/CD player in my car?

    When you turn the volume up it sticks on that level and won't go up or
    down no matter how much you turn the control knob.

    It does seem to reset if you disconnect from the player from
    power then connect again.

    Thanks for any help.

    Regards Boozo.
     
  2. Jerry G.

    Jerry G. Guest

    The volume control unit, or there is a defective component associated with
    it, or there is a cold solder connection in its related circuit areas. The
    radio would have to be opened, and troubshooted to find and resolve the
    fault.

    --

    Jerry G.
    ==========================


    Can anyone help me with any ideas on how to fix a Sony CDX-4180FP
    Radio/CD player in my car?

    When you turn the volume up it sticks on that level and won't go up or
    down no matter how much you turn the control knob.

    It does seem to reset if you disconnect from the player from
    power then connect again.

    Thanks for any help.

    Regards Boozo.
     
  3. Many devices do not use a pot for volume anymore, especially if the
    control can spin continuously. It may be a digital encoder that is fed
    to a volume control chip. Either the chip or the encoder is not decoding
    the volume down signal.
     
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