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You guys were totally correct. My oven reflow went badly. I'm ashamed to say I overcooked the board and made things worse. This classic will have to live as a sculpture on my bookshelf, and not as a working Mac.

I replaced the capacitors, but that did not fix the issue. I also ran a small rewire at the pin where I noticed the discontinuity (after verifying that this same connection has continuity on the working logic board). I suspect that there are more broken connections that I have not found. Without...

I found a 2nd (mostly) working Classic on eBay, and have been able to narrow things down by swapping components. What I have learned: - The analog board and screen are working perfectly. I tested the voltages from the analog board and they were right on. I can get to a sad mac if I press the...

The other night I connected my LCII running System 7.1 to my PowerMac 7600 Running System 8.5 using the printer cable from an old StyleWriter II. One thing I noted was that I could choose to use either the printer port or the modem port on the PowerMac with the Apple Talk control panel. On the...

Thanks for the tip! I'll check the voltages from the analog board. That gives me an avenue to investigate. It was quite the anticlimax to boot to the same screen after recapping the logic board and hearing the startup chime for the first time :)

I have a Mac Classic that boots (with a startup chime) to those diagonal lines. But it never completes this step. It does not show a happy mac or question mark disk icon. Is it stuck doing the memory test? I washed and re-capped the board. Before recapping the behavior was the same, but with no...