TSL100 footswitch issues after installing V20 main board

Discussion in 'Marshall Amps' started by Malibu2006, May 24, 2019.

  1. Malibu2006

    Malibu2006 New Member

    Joined:
    Feb 10, 2019
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    Hello - I had the bias drift issue with my 1995 TSL100 and after replacing the main PCB with the latest version 20 the footswitch does not activate channel changes. I can change the channels no problem using the switches on the faceplate but as soon as I plug in the footswitch no changes are possible - it stays on the channel.
    I did the board swap myself, I labelled all the connectors and made sure they went into the right place on the new board. I took before and after pictures so I could double check my work.
    Has anyone run into this problem and could offer me some advice?
    Thanks!
     
    Mitchell Pearrow likes this.
  2. wardal

    wardal Member

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    Jan 30, 2015
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    Hmmmmm I'm not sure what happened there but I had mine replaced in 2013 with the revision 20 board and it did not affect the footswith functionality at all. I'm very interested in what caused this though
     
    Mitchell Pearrow likes this.

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