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Small Clock - intermittent... 200

uid 33936's pic
posted by  TheBrickTank on  Fri Sep 23 16:06 CST 2016
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last visit: Thu Oct 23 17:54 CST 2014
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All,

So about two weeks ago I replace the capacitors in my new to me small clock and its working again.

I drove the car last Friday and it was working just fine.

I go to get into the car last night to move it and the time is wrong.

I've adjusted the time several times today and it might work for a while but not right away.

So..., I don't want to tear it out just yet as I wanted to get any thoughts from all the people here before looking at it so that I might have some starting point(s) already formulated.

Discuss.

Matt








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    "Discuss.' 200

    uid 27's pic
    posted by  Art Benstein on  Sun Sep 25 05:55 CST 2016
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    last visit: Fri Oct 17 20:10 CST 2014
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    One feature of the 240 clock (small or large) amazes me. Except for dried up capacitors, they are more reliable and accurate than a long procession of wrist watches and quartz wall clocks which remind me of Amarin's analogy in the alternator thread. They are the Patek of automotive timekeeping.

    If I see a Volvo clock with the wrong time (and I know the caps have been changed) I know I've a dead battery or forgot to reset the clock after some work with the battery disconnected.

    Worth fixing!
    --
    Art Benstein near Baltimore

    To err is human, to moo bovine.








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      "Discuss.' 200

      posted by  someone claiming to be CB on  Mon Sep 26 21:30 CST 2016 [RELATED]

      they are noisey. you should hear it run. camping in my 75 wagon all night long I'd hear it.

      80 too, but then that's a sedan not for sleeping.

      Having never taken one out, cause they always ran, with a charged battery, I figured that it was a spring driven mechanism that when it ran down hit at "stop" which then took a charge from the battery.

      there's a capacitor thate gets the charge? What about that spring wound noise.








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        'Discuss.' 200

        uid 27's pic
        posted by  Art Benstein on  Tue Sep 27 05:05 CST 2016
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        last visit: Fri Oct 17 20:10 CST 2014
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        You're right. I forgot the 75-80 version in the center of the dash. Indeed noisy.

        But I don't think those are spring powered like car clocks used to be, do you? I've also not needed to take one apart, and am similarly amazed by how I don't need to reset the time. The noise they make seems consistent with a quartz movement, the way I hear it, once a second. Now you've got me curious about what's inside.
        --
        Art Benstein near Baltimore

        "To make anything interesting you simply have to look at it long enough." -Gustave Flaubert






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