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|  Message 986  |
|  Anton Mikhaylov to All  |
|  TRS-80  |
|  25 Jul 21 12:07:48  |
 
TID: Mystic BBS 1.12 A42
MSGID: 1:275/98 257a63c1
TZUTC: -0400
Hi All,
I have a small question for the community.
Not long ago I picked up a nice looking TRS-80 computer with a matching
TRS-80 Video Display, modem and cassette player/recorder. Display had been
given away for free immediately, because I simply do not have a place for it.
And I am more interested in computer itself.
Now, getting closer to the question I wanted to ask, this computer has a
problem. Before plugging in the original PSU, I checked the output voltages,
and those seemed to be ok. But when I try to turn on the computer, the power
LED turns on for a second, then something clicks inside the computer, and
LED turns off. Second later this cycle repeats.
I haven't opened the case yet, but decided to ask the community first: what
could be causing this problem? Clicking sounds like some kind of relay is
switching off, but I am pretty sure, there should be no mechanical relays
inside. Most probably something is dead/shorted, but why would it produce a
sound then?
Please explain what that could be, so I would start looking at it first after
I open the case.
Thank you.
> Anton Mikhaylov AKA twix <
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