• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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    More II/IIfx power circuit troubleshooting

    Hi, everyone. Finally de-lurking! I'm the process of resuscitating a Macintosh IIfx. After an exploding C1, resulting in me going ahead and replacing all of the big tantalums, the only two electrolytic SMDs, and the remaining axial capacitors, replacing the batteries, and repairing a trace...