Power Supply drop at 120vac in
This machine runs fine with 122-123volts AC in.
With normal 120volts AC, internal and external USB-powered HDD's fail.
I assume the power supply is failing.
What is the experience with this? A particular capacitor or caps (as in G5's) or other component?
Or should I just replace the PSU?
Hi Mayer, to clarify: At 120vac the internal HDD fails, and the external, USB3 HDD backup fails as well.
Additional info: About a year ago, after 2 years of service, at 120vac, the external HDD failed. I suspected voltage drop across the connectors joining a 2M USB extension cable to the short USB2/USB3 cable shipped with the HDD. I replaced the 2-part cable with a single 2m USB2/USB3 cable and all was well for a year. I did not measure voltages at that time.
So evidently power drop has progressed since then.
BTW, I also got my Apple II in '79. Quickly got another one for my office. Interfaced it with my Telex machine. Then got my secretary into word processing on it.
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