Casio Privia PX-330 Main board


I’m looking for a replacement main board as it fails to boot and remains on “please wait.”

On the board I see the following: N40A35B5/ A30C5/ A3C7/ C7.

Anyone know where I can get a replacement?

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I met problem like yours. My device is Privia PX850. Power main board had been fired. I need replacement.
Who can show me how to find service part.