The Roland Juno-Di is a beloved workhorse for gigging musicians and home producers alike. Launched as a lightweight, portable, and user-friendly synthesizer, it packs a surprising punch with its sound engine derived from the legendary SonicCell. However, like all electronic instruments, time, travel, and wear and tear can take their toll. When your Juno-Di starts acting up—whether it’s a dead key, a glitching screen, or a noisy output—you face a choice: send it to a shop or roll up your sleeves.
: A high-level view of signal paths between the CPU, Wave Generator, and Output stages. roland juno di service manual work
Once open, do not immediately desolder anything. Use a multimeter. The Roland Juno-Di is a beloved workhorse for