MXR M288 Bass Octave Deluxe [gut shots, tracing]

All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
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george giblet
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Post by george giblet »

I replaced all 3 and got my power back. Maybe this will be helpful to someone in the future— I thought I was never going to figure it out. Definitely didn’t suspect SMD components under the jack!
Great work. What a headache and perhaps a lesson to us all.

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