Circuit Overview:
A digital synthesizer with fairly comprehensive workstation capability and expansion options. Many versions released with 61 to 88 key movements and racks.
Service Tips:
I've found most of these units to be fairly rock solid circuitry wise. Watch for loose screws under the main board shorting things out. Glue those down!
Parts:
While Yamaha normally does not keep parts around more than 5 years or so, some older ones can be gotten from NTS Pro Audio. Otherwise try your local Yamaha dealer or Service person.
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