Roland JV2080: internal battery replacement - YouTube
Roland red glue some keyboards have an issue. So while changing my 2032 battery in my XP-80 I've noticed it's got red glue but it's rock hard and not sticky like some other Roland's. : r/synthesizers
CYAN ⟩ TUTORIALS ⟩ ROLAND JV-2080 BATTERY REPLACEMENT
Roland JV-2080 Battery Replacement – Sector101 Project Blog