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

crwdns2944067:04crwdne2944067:0:

Is there power to the device?

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

Had you tried that?

crwdns2934271:0Sun 14, 2019crwdnd2934271:0 Augustine crwdne2934271:0

Yes i have tried that and still nothing

crwdns2934271:0Sun 14, 2019crwdnd2934271:0 Dave m crwdne2934271:0

so there is power????

crwdns2934271:0Sun 17, 2019crwdnd2934271:0 Augustine crwdne2934271:0

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??

crwdns2934271:0Maw 23, 2019crwdnd2934271:0 lienelramos crwdne2934271:0

Casio WK-220