Yamaha s90 won’t power on

by Josh

Was playing a show, blew a breaker and everything turned off. Reset the breaker and everything powered on except the Yamaha s90. I can’t seem to find anything anywhere about troubleshooting or what to do. Any help would be much appreciated.

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Dec 14, 2022
Yamaha s90 won’t power on NEW
by: Anonymous

If your Yamaha S90 keyboard is not turning on after a power outage or blown breaker, there may be a problem with the keyboard's power supply or internal components.

To diagnose and repair the issue, you will need to open the keyboard and inspect the power supply and related components, such as the fuse and voltage regulator. It is recommended to refer to the manual for your keyboard or contact Yamaha customer support for detailed instructions on how to access the internal components.

If you are not comfortable with performing electronic repairs, it is recommended to consult a qualified technician or engineer for assistance. They will be able to diagnose the issue and provide the appropriate repair or replacement of the faulty components, including the power supply.

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