Roland Juno Di Service Manual Work Hot! Jun 2026

Diagrams showing where boards and parts are located.

Let me tell you a horror story common in synth forums: A user’s Juno-Di had two dead keys. They assumed it was a cracked solder joint on the keybed PCB. They removed the keybed, desoldered the diode matrix, and started replacing diodes. After reassembly, the entire synth refused to boot. roland juno di service manual work

When removing keys, be mindful of the springs on the rear. Many JUNO models use color-coded springs for different key types—keep these organized for reassembly. Ribbon Cables: Diagrams showing where boards and parts are located

: Diagrams showing how the chassis, keyboard, and casing fit together. desoldered the diode matrix