Re: RS-232 interface IC and RS-232 port replacement part numbers?
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Thanks Brendan.
I was curious about the black pin 8 too. That¡¯s not just a photo oddity. The Gemini-2 FAQ showed that as an NC pin, so I wasn¡¯t overly concerned about that specific pin. It is strange though. I didn¡¯t see any melted SMC case bits anywhere, so I¡¯m not sure where the black came from.
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The 5520257-2 is the exact part I was eyeing last night on Mouser. Thanks!
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That's good to know about the CPU. It looks like there are still some on eBay available.
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I'm leaving on a business try today, so it'll be mid-week before I get back to this. I'll order the MAX, RJ22 port & a pile of caps then do some more testing when I get home.
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I took some more pix of the PCB last night, but only the top. I was planning to put it under a USB microscope to inspect further. There are a few grass/dirt/dust bits I need to clean up on the PCB. Here's a link to the current pictures (oddly, Imgur gave me a "this may contain erotic material" warning after I uploaded those images....erotic PCBs...hmmm.) https://imgur.com/a/xrre6Q5
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Thanks!
Bryan?
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