One improvement could be suggested (found it in my keyboard on disassembly) - the rubber pad is pressed by a narrow stud of the pedal, so the pressure is applied mainly to the center of the contact pad. A square piece of thin paperboard or plastic (e.g. 0.5-0.8 mm thick) placed between the stud and the rubber pad would destribute pressure of the stud to the whole width of the pad and thus make the contact more reliable.
So what was the cause of the problem? Deteriorated rubber washers (changing geometry of the lever pivot point) or dirt on the circuit board? I disassabmled a similar keaboard (Electone's HS-5) having the same problem with one of the keys and all the contarcts on the circuit board look nicely clean as well as the rubber pads. I am affraid to use any liquids (like IPA) on the contacts - they look like coated with something darker than metal traces on the board. What foam cleaner did you use?
@@phooto Thanks for the link! I changed the washers too and it works fine now. But I used washers from roof screws - had to tear off the rubber part from the metal washer. It fits tighter on the pedal bolt (6 mm inner diameter, 16 mm outer). I used IPA to clean the contacts, but they turned out not dirty at all.
One improvement could be suggested (found it in my keyboard on disassembly) - the rubber pad is pressed by a narrow stud of the pedal, so the pressure is applied mainly to the center of the contact pad. A square piece of thin paperboard or plastic (e.g. 0.5-0.8 mm thick) placed between the stud and the rubber pad would destribute pressure of the stud to the whole width of the pad and thus make the contact more reliable.
Fabulous. Thank you. Pity I can't remove the pedalboard; the screws are too tight. But at least I now know that's what I need to do.
All you needed to do was flip the Electone on its back and access the pedal washers from there. Much faster.
Very good just what I needed.
What does it mean the whole pedals not working at all but all keys are perfectly fine
So what was the cause of the problem? Deteriorated rubber washers (changing geometry of the lever pivot point) or dirt on the circuit board? I disassabmled a similar keaboard (Electone's HS-5) having the same problem with one of the keys and all the contarcts on the circuit board look nicely clean as well as the rubber pads. I am affraid to use any liquids (like IPA) on the contacts - they look like coated with something darker than metal traces on the board. What foam cleaner did you use?
It was the washers that had failed. This is the foam cleaner I use. amzn.to/3XM2pTw
@@phooto Thanks for the link! I changed the washers too and it works fine now. But I used washers from roof screws - had to tear off the rubber part from the metal washer. It fits tighter on the pedal bolt (6 mm inner diameter, 16 mm outer). I used IPA to clean the contacts, but they turned out not dirty at all.
No suenan los sostenidos de los pedales
Where to buy the rubber washers?
They are just tap washers from a DIY store.