Does the mainboard of the Yamaha DGX660 work for a DGX 620?

by Elaine Fudenna
(Seattle, WA)

I have a Grand Piano DGX620. The Yamaha service center says the main board needs to be replaced. Will a main board for a DGX 660 (which I can get more easily and cheaply) work for my DGX 620?

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Feb 04, 2023
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by: Roger

It is unlikely that a main board for a DGX 660 will be compatible with your DGX 620. Yamaha designs specific boards for each model, taking into consideration differences in features, layout, and design. Replacing the main board with a different model's board may result in compatibility issues and potentially cause further problems. It is recommended to use only parts and components specified for your DGX 620 by Yamaha.

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