-=> Anton Mikhaylov wrote to All <=-
AM> I have a small question for the community.
AM> Not long ago I picked up a nice looking TRS-80 computer with a matching
AM> TRS-80 Video Display, modem and cassette player/recorder. Display had
AM> been given away for free immediately, because I simply do not have a
AM> place for it. And I am more interested in computer itself.
AM> Now, getting closer to the question I wanted to ask, this computer has
AM> a problem. Before plugging in the original PSU, I checked the output
AM> voltages, and those seemed to be ok. But when I try to turn on the
AM> computer, the power LED turns on for a second, then something clicks inside
AM> the computer, and LED turns off. Second later this cycle
AM> repeats. I haven't opened the case yet, but decided to ask the
AM> community first: what could be causing this problem? Clicking sounds
AM> like some kind of relay is switching off, but I am pretty sure, there
AM> should be no mechanical relays inside. Most probably something is
AM> dead/shorted, but why would it produce a sound then?
AM> Please explain what that could be, so I would start looking at it first
AM> after I open the case.
You should start by telling us what model of TRS-80 you have.
... Take my advice, I don't use it anyway.
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