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ITPeter, Electronics Engineer
Category: Electronic Musical Instruments
Satisfied Customers: 18128
Experience:  Over 16 years' experience in installing and repairing electronics.
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I have akorg concert piano c-56m, turns on but no sound?

Customer Question

i have akorg concert piano c-56m, turns on but no sound?
Submitted: 2 years ago.
Category: Electronic Musical Instruments
Expert:  ITPeter replied 2 years ago.
Hi there,
Check if you can hear any sound through the headphones.
If you can hear sound through the headphones, but not through the speakers, then the tiny microswitch inside the headphone socket may be stuck on and will need to be released.
If no sound can be heard through the headphones then the keyboard likely has an electronic fault. One or more of the parts on the main board inside the keyboard has likely failed, and will need to be replaced. You can obtain a replacement circuit board from Korg if you wish to carry out the repair yourself.