Power Supply Repair
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I completely strip down a non-working Presonus Eris 3.5 Generation 1 studio monitor and replace its failing electrolytic capacitors to repair a problem where the monitor speakers were not working. The Eris 1 was not powering on and seemed dead. The stock caps were cheap, low-quality parts that had become faulty from heat. As one…
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A rare MGT SAM Coupé arrives on the bench. I check the repurposed Amstrad MP2 power supply, get it booting, open it up and find dead drive belts and a leaky capacitor.
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A dead Tatung Einstein, a vented capacitor and a blown fuse. I swap in a Mean Well PT-65B on a custom 3D printed mount inside the original PSU shell.
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Mike Dailly’s US 3DO arrived with its cable cut off. I test it, swap in a Triad transformer wired for 230V, service the CD drive and print the missing flap.
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A spares or repairs ZX Spectrum 128K +2 gets a cheap buck regulator in place of its missing 7805, and its dead Datacorder turns out to need glue, not just belts.