I will wait a little bit. There may be someone out there that recalls the details of this replacement. Thanks for you interest.

I have an old Boss JS-5 Jamstation. I can no longer use it because of a dead battery. I have read that the battery, which is required to save data, can be easily replaced. When I remove the back I see a large copper foil sheet, but the circuit board does not want to be lifted up after removing one v...