Hi, I have a M1 with distorted audio. So if i take an initialized patch (could be the piano sample or any other pcm sample) with no effect or whatsoever, once a key is played a faint noise is heard in background beside the sample and when the sample reaches the sustain portion, it starts making wie…

UPDATE, the keyboard is fixed. One of the 5 ram chips (the one in the middle) was bad. once replaced, the keyboard audio went back to normal. I think these RAMs are dedicated for the FX IC. Based on the block diagram, the FX chip is the last thing the digital audio passes through before the arriv…

Korg M1 distorted audio

Synth Repair

sargfowler August 25, 2025, 7:43am 5

Could be this issue.