cja123 Posted December 20, 2022 Share Posted December 20, 2022 I have taken the back panel off and there aren't any signs of dirt/corrosion on the circuit board. There are a few keys which do this and on each of them they trigger a total of 8 notes. The resistors on the circuit board are also grouped in 8 so I don't know if there's some kind of shorting happening (I'm not particularly technical) I also noticed that on the pads which detect the key press (two per key), I can lay a finger across a pair and trigger a note, but with the failing ones instead of playing a group of 8 there is no sound at all when I try the finger technique on them. However, doing the same with the rubber pads which sit between the circuit board and the keys, I get the 8-note cocophany. The keyboard is already 25 years old so I don't have high hopes for it, but if it's a relatively easy fix I'd like to rescue it! Quote Link to comment Share on other sites More sharing options...
omniarms Posted November 30, 2023 Share Posted November 30, 2023 I'm just now digging my CTK-611 out to use for a midi controller and it's doing exactly this. Any luck on a fix? Thanks Quote Link to comment Share on other sites More sharing options...
cja123 Posted December 7, 2023 Author Share Posted December 7, 2023 I'm afraid not, I ended up having to consign it to the scrapheap Quote Link to comment Share on other sites More sharing options...
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