Do you know how R&D works? That "simple modification" may have cost $$$$ before being discovered. Those dollars need to be recouped. The other alternative is you can blindly try to recreate the wheel, and blow through your own $$$$.
That said, I'm not aware of what was done, if anything. I'm still pissed that our recapped AG-1980 decks have all re-failed, because he replaced only bad caps, and not all caps. Because, duh, all the caps would be bad eventually, because it's an AG-1980. There are other forum members here that are pissed for the same reason. My confidence tanked for that reason.
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