I bought two different models of Heath Kit clocks with flat planar neon displays. They were both plugged into two outlets on the same AC extension cord and then the extension cord was plugged into a wall receptacle. One runs as 24 hour clock, other one is a 12 hour clock After a few days they are not at the same time and the longer they run the further apart they get. I thought that they both used AC line frequency for timekeeping. Any ideas, I'm stumped by this.
Thanks Phil B.
--ts---------- Original Message ----------
From: Adrian Pardini <[email protected]>
Date: November 16, 2019 at 8:56 PM
On Sat, 16 Nov 2019 at 18:34, martin martin <[email protected]> wrote:
>
> I found this in storage and thought it would clean it up. I built it about that time...
> It's a an 1982 vintage HEATHKIT GC-1092D
> I replaced all of the electrolytic caps. It keeps fine time, except the power transformer is running at 195 F
>
> Any ideas?
Try running it outside the clock and see if still over heats.
If it doesn't look at the rectifiers.
--
Adrián Pardini
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