Roland SH-2 -1978

User Manual: Roland US
Reset Proceedures: N/A
Operating System code: N/A
Listing of controls: Mathias
Software related Links: N/A
Patches or knob settings: N/A
Circuit Overview: below
Scematics/Service Manual: fdiskc archive or Senso's site
Common Service Issues/Tips: below
Parts Sources: Keys knobs semiconductors misc
Uncommon chips/modules used:CA3080, uA726HC, TA7136, DN819, TA7179
General Info Links: Vintage Synth Explorer

Circuit Overview:
     Last Roland keyboards before memory entered the picture with JP4 and Promars. A fairly typical subtractive using a few unusual parts but someday I'll try to add more details.

Service Tips:


I have only the rotating knobs I believe for these. 5 each for the large ones I believe that these take but ask for precise measurements as I've never seen one of these up close.

Semiconductors etc.

Roland still stocks many parts for older instruments! You can always order them through your local Service Center and see what happens! Otherwise I have some parts also so don't hesitate to ask.
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