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Home Forums Macintosh 128k 240v Analog Board Component Identification — #12 Macintosh 128k 240v Analog Board Component Identification — #12
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Hope you don't think I'm hijacking your thread! Another part I can't seem to find is U3 on 240v analog board. In classic mac repair guide it is shown as an optoisolator. Does anyone know a compatible replacement part for this?

u3.jpg

mp.ls