Roland VP-330/Plus -1978/79

User Manual: VSE
Reset Proceedures: N/A
Operating System code:
MIDI or other control protocol:
Software related Links:
Patches or knob settings:
Circuit Overview: below
Scematics/Service Manual: fdiskc archive or Old School
Common Service Issues/Tips: below
Parts Sources: Keys knobs semiconductors misc
Uncommon chips/modules used: MN3009 BBD's, BA662A ota, TA7179M regulator, AN6912 approx.= to CA339 quad comparator
General Info Links: Vintage Synth Explorer

Circuit Overview:
     A marvelous machine I hear with 3 vco's a 10 band Vocoder and Chorus

Service Tips:
      Always verify power supply voltages if problem looks like it could remotely be power supply related.

Roland may still have some parts for these. If there's something you can't find including bbd's
Contact Sound Doctorin'