Yamaha SY55/TG55 -1989    Weight = ? Lbs. Number mfg.= ? MRP=$1595/$995

User Manual: Yamaha
Reset Proceedures: N/A
Operating System code:
MIDI or other control protocol: See Manual
Software related Links:
Patches or knob settings: Zicweb (Ignore the top 'yamaha sounds' link)
Circuit Overview: below
Scematics/Service Manual:
Common Service Issues/Tips: below
Parts Sources: Keys knobs semiconductors misc
Uncommon chips/modules used: Many
Modifications:memory expansion
General Info Links: synth ark

Circuit Overview:
     A digital synthesizer which utilizes special processing chips designed to support Yamaha's FM synthesis architecture. It also adds a sampled workstation environment. Trimmed down SY77 from what I hear. 16 bit samples, early digital resonant filter modelling.

Service Tips:

While Yamaha normally does not keep parts around more than 5 years or so, I stock what I can.
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