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Hello Guest! We're hosting a challenge to welcome vintage Intel macs to the MLA during the month of July! See this thread for more information. -
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DJ68K's latest activity
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DJ68K replied to the thread Anyone remember the Mac Cracker?.Yeah, I've done that a few times, but some of the machines I get have been sitting in a barn/garage for 20 years untouched and they do... -
DJ68K replied to the thread Anyone remember the Mac Cracker?.It's good to see that thing again! When I helped close down the Apple Dealer I worked for until about 2012, the case opener is one of...
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DJ68K replied to the thread Diagnosing Macintosh Classic.I was looking over older pictures and your current pictures and I just noticed you're missing the Q1 IC above the power/video connector...
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DJ68K replied to the thread Diagnosing Macintosh Classic.Does anything change if you plug in the 1MB RAM card? How about with the card plus two 30 pin SIMMs?
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DJ68K replied to the thread Diagnosing Macintosh Classic.I found a fairly extensive walkthrough of a repair here that might have some extra hints/clues; the attached picture is borrowed from...
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DJ68K replied to the thread Diagnosing Macintosh Classic.It looks like the "Screen" adjustment is overdriving the flyback. I suggest you adjust the brightness/contrast dials on the analog...
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DJ68K replied to the thread Diagnosing Macintosh Classic.I'll second SpocksBeer: Once you've "scraped into" the corrosion with a sharp blade, the flux/solder blob/scraping with the iron might...
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DJ68K replied to the thread Performa 5xx Microphone Capacitors.A bit of new news on this: I have another Performa 520 that's been sitting for several years that I got at VCFMW 2023 without drives or...
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DJ68K replied to the thread Diagnosing Macintosh Classic.Get yourself an ATX extension cable. Only part of it will fit in the harness but it'll let you set the board on the table next to the...
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DJ68K replied to the thread Diagnosing Macintosh Classic.Looking at the back of the analog board I see the telltale signs of rot creeping through the board; those are the "black dots" around...
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DJ68K replied to the thread Warning! Exploding Maxell PRAM Batteries.A year and small change ago I picked up a lot of 3 Classics, 1 SE, 1 LCIII, and 1 PowerBook 5300c from Facebook Marketplace. The SE had...
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DJ68K replied to the thread Performa 5xx Microphone Capacitors.Sounds good to me! Decapped, cleaned, neutralized, recapped, and coated. Time to get the rest of it cleaned up & reassembled. Thanks!
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I'm working through a full restoration of a Performa 550 w/ Apple IIe card and it has this microphone board (820-0388) with two leaky...
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