PLEASE NOTE: This section contains tutorials and "how-to" for Synth Repair/Restore. This instructions are for experienced people only. Please don't try anything if you are not familiar with electronics, soldering, repairing. I have done this repairs myself on my beloved synths. However, I am not responsible for possible damages caused by your lack of experience.

TUTORIAL: changing the onboard battery on a OSC OSCar Syntehsizer