Triaxis - Lead 2 Drive

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Joao

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Dec 4, 2021
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Hello,
Just found out, that the Lead 2 Drive control is not working.
The arrow buttons change the values up and down, but there is no effect on the sound. This happens on all 3 Lead 2 modes.
Any idea what this could be?
Cheers!!!
 
I had this issue with the treble control when in LD1 Red mode. Then it progressed to all channels: I had no treble control anymore.

I sent my Triaxis to Mesa for repairs, and when I got it back it was working properly. The invoice says that they replaced 8 capacitors and the ribbon cables.
 
1- Ribbon cable
2- Bad IC4 OP amp (TL072). Most common.
3- Less common: Bad multiplexer
 

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