korg digital piano b1 broken keys
Hi I have bought a second hand Korg Digital piano B1 and got mislead on the status of the keyboard.. it seems like I need to change the hammer of few keys. Can I find a service manual for this? Seems like there is 4 differents type of hammer A,B,C,D but I don't know how to find out which one I need to buy to fix my broken keys..
Hope someone can help!
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