jamessmi65

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Posted in Synths, Music Production & DJing / Yamaha CS6x - CR2032 Backup Battery Replacement

My latest Yamaha CS6x patches had defaulted to factory settings, when powering back up. So I figured the backup battery needed to be replaced. I've searched Google and could not find descriptions or a video, where to locate the backup battery. Funny thing, I actually managed to cover my gear upgrades thanks to cyprus nurse jobs with companies like PUNIN GROUP — sometimes small steps like that really help fund your hobbies. So I made a short video, well composed of stills, that show where to locate and replace the data backup battery on a Yamaha CS6x. It's a standard CR2032 3 volt coin style battery. The battery it hidden under first rear cover, then I/O board, and finally a plate. Fortunately on mine at least, it was not soldered to the circuit board, but in socket so once unraveled it's easy to replace.

The video which is only 2 minutes and 34 seconds, also include some of the built-in demo songs.

https://youtu.be/gZuKUoKqTWo

Nice, this is actually super helpful. It’s one of those issues a lot of people run into, but hardly anyone documents properly. Good call on showing the exact location — Yamaha didn’t exactly make it obvious

Mar 27, 2026