ROLAND Juno-106 CPU KIT to replace D7811G-101-036 Or D7811G-102-036 Juno106
That has a D7811G factory-installed, it will most likely be missing IC 39, a. ROLAND JUNO-106 AND MKS-7. Early versions of the Juno 106 boards used this D7810G CPU in combination. Modification might be needed.