Keyboard has no sound

Have tried everything in manual for the sound section wat could it be internally

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Hi @davidwayne

Is there power to the device?

I suppose there is a headphone output jack for external audio.

Had you tried that?

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Yes i have tried that and still nothing

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so there is power????

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Hello, just found out that the zener diode on my b3 key is busted, only problem is that there is no indicated value on the zener diode. Any help??

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