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    Help needed for Apple Lisa PSU Transformer 120VAC

    Hello all. I am trying to fix one of my problematic Apple Lisa PSU 120 VAC, 60 Hz, 1.2 Amp, 150W which isn't working. First thing that came to my notice is a resistance of the Transformer (T2 in the attached schema). I have compared it with the other working PSU 1.2 AMP but dedicated for...
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    Problem with Apple Lisa 2 CPU Board - not booting

    Hello Colleagues. I found this interesting simmilar thread (here ) and I have the same problem as BEU, but unfortunately I don't get error 41. I still have the same symptom of flickering black and white squares on the CRT with only the CPU board inserted like BEU had on the beginning of his...
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