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Yamaha SY77
Refurbishment and Repair Project
About 18 months, maybe 2 years ago at the time of writing I acquired my Yamaha SY77. It really sounded peachy, but as with many of these Yamaha synthesisers produced at the time there was an issue with the Mitsumi floppy disk drive.
I made a list of some other issues that I thought this synthesiser had. Then I put the synthesiser in a box and took it to my storage unit. And that is where is stayed for that 18 months to 2 years mentioned above.
In the meantime I started to search varions websites for the parts that I had identified as needing to bring this synthesiser back to full operation. And then other priorities got in the way and this project took a back seat.
After finishing another project and having acquired all the parts that I thought I needed to undertake this SY77 project, I went and recovered the SY77 from storage and set about the process of brining it fully back to life.
In addition to the spare parts that I had acquired. I had also acquired several floppy disks with tones for the sound banks of the synthesiser, which due to the fact that the floppy disk drive had failed had not been tested.
The Yamaha SY77 was what I consider the natural successor to the Yamaha DX synthesiser line. The SY77 was released in 1989, this synthesiser and it's big brother the Yamaha SY99 released two years later provided the musician with the same FM synthesis from the DX-line and AWM synthesis created for the SY-line.
This series of videos were created to show how I set about repairing and refurbishing my Yamaha SY77.
