Hello, I have this Yamaha PSR s950 that stuck on "internal hardware error" message I've tested the voltage on the mainboard and all is present. I know this problem isn't related to one component specifically. Has anyone been able to solve this issue?
Thanks
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Hello:
talán segít a hiba keresésében
https://elektrotanya.com/yamaha_psr-s950-s750_sm.pdf/download.html
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