Keyboard has no sound

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

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Is there power to the device?

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

Had you tried that?

crwdns2957956:0Sun 14, 2019crwdnd2957956:0 Augustine crwdne2957956:0

Yes i have tried that and still nothing

crwdns2957956:0Sun 14, 2019crwdnd2957956:0 Dave m crwdne2957956:0

so there is power????

crwdns2957956:0Sun 17, 2019crwdnd2957956:0 Augustine crwdne2957956:0

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??

crwdns2957956:0Maw 23, 2019crwdnd2957956:0 lienelramos crwdne2957956:0

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Casio WK-220