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Jubileum dead keys (1 reply and 1 comment)
I have recently acquired a jubileum 235 organ, 1993 vintage
All fine except several Great keys slow to speak or dead altogether, and a couple of pedal notes too. Swell seems ok
Is this most likely to be dirty contacts? Something else? It's Gb and Eb below middle C from memory, and a couple of others slow
I'm a tech - is it easy to dismantle and clean? Reboot/restore to factory instructions?
I'd much appreciate a service manual/advice. I'm south east uk
In anticipation folks....
Missing pedal board notes if they are 8 apart would indicate a break in one of the wires in the ribbon cable that connects it to the console. An easy fix requiring a new cable. If not 8 apart it will be contacts that can be easily cleaned taking off the end cover. Use an abrasive pen to clean the springs that make the contact. Mild sand paper if you do not have a pen. Slow keyboard notes is also probably contacts which can also be replaced but I will need to consult our engineer for other possible causes. There is indeed a factory reset which I can advise you about next week. Sadly not described in the attached user manual.
The slow speech on the great will require the keyboard contacts cleaning/replacing. We can send these to you if needed at £5.00 per octave. Access is easy but note the way the 'rubber' is mounted as it is possible to refit back to front and then it will not work. The factory reset requires you to hold in pistons 0,1 and 2 below the great and then switch on the organ. Regards David
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