Surprising as it may seem, I was able to resurrect that seemingly beyond hope capture action integrated circuit which was so badly damaged by leaky NiCad batteries. Two days in 50% vinegar/distilled water, a good scrub with an old Sonicare toothbrush, a few minutes in Isopropyl (rubbing) alcohol, and then 5 days of drying under a 100W flood lamp seemed to do the trick. That along with soldering a $16 cordless phone battery lead to the card to replace the old leaky ones. Oh, and removing and replacing an EPROM chip with somewhat dubious electrical contact with the mother ship. Now stop presets work again! Yea! I still have more 'fix-up' projects to do on the organ, but it's quite a rush to make one more step towards original condition.
So it is only appropriate that the first piece I am trying to learn after decades on hiatus from playing, is BWV615, In Dir Ist Freude. Bach's music is pure genius, and this is one of my favorites to listen to when played well. It always makes me happy. I only hope I can learn this short piece well enough to maybe post a sample of what the ADC-4900 organ sounds like. I'll let you know if I do.
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