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-   -   Battery clock doesnt work- testing continuity (http://www.diychatroom.com/f2/battery-clock-doesnt-work-testing-continuity-154208/)

noquacks 08-19-2012 03:12 PM

Battery clock doesnt work- testing continuity
 
People,

have a neat battery clock, takes one AA battery. Freshly tested 1.5++ v battery inserted, and no action. Took a good multimeter, set it on ohms, and got no reading. Not sure what range to set it on, but tried all of them, and still, showed 1 (infinity?)

Tips appreciated.

ddawg16 08-19-2012 04:27 PM

You don't use a multimeter on ohms to check a battery.........unless you mean you tried it on the clock.

Did you try reversing the leads?

Almost all of the clock movements are the same.....I'm sure you have another battery powered clock in the house....measure that one....

But my money would be on the clock movement.....the good news is that a new one is about $7 at a craft store.

noquacks 08-19-2012 04:38 PM

Quote:

Originally Posted by ddawg16 (Post 992258)
You don't use a multimeter on ohms to check a battery.........unless you mean you tried it on the clock.

Did you try reversing the leads?

Almost all of the clock movements are the same.....I'm sure you have another battery powered clock in the house....measure that one....

But my money would be on the clock movement.....the good news is that a new one is about $7 at a craft store.

Thanks, dawg. Yes, I took ohms on the clock, bnot the batery. I finally got it to register- only about 3-4 on the meter- another working one showed 15 or so, so I figured its bad internally.

Now, its a Disney clock, with a special pivot clip on top, where the Mouse's arms tick back/forth, so not sure how easy it will be to replace the movement. Im talking about the entire black case, of course. cant sem to unsnap the 2 halves apart, not that it may matter if its busted anyway.....

ddawg16 08-19-2012 05:49 PM

Well.....as they say.....if it breaks while taking it apart.....then it's definitely broken.....good luck on it

jschaben 08-19-2012 07:55 PM

Quote:

Originally Posted by noquacks (Post 992265)
Thanks, dawg. Yes, I took ohms on the clock, bnot the batery. I finally got it to register- only about 3-4 on the meter- another working one showed 15 or so, so I figured its bad internally.

Now, its a Disney clock, with a special pivot clip on top, where the Mouse's arms tick back/forth, so not sure how easy it will be to replace the movement. Im talking about the entire black case, of course. cant sem to unsnap the 2 halves apart, not that it may matter if its busted anyway.....

picture would be helpful. It's likely heat staked. I've had some luck, both good and bad, in drilling out the stakes with a forstner bit. Have to get creative reassembling though. Good Luck.:)

del schisler 08-20-2012 09:55 AM

Quote:

Originally Posted by noquacks (Post 992221)
People,

have a neat battery clock, takes one AA battery. Freshly tested 1.5++ v battery inserted, and no action. Took a good multimeter, set it on ohms, and got no reading. Not sure what range to set it on, but tried all of them, and still, showed 1 (infinity?)

Tips appreciated.

I didn't read other post yet. On the ohm scale that doesn't read volt's. Sometimes this will total out the meter. Now in the ohms setting's toutch the two lead's togother the meter should move to the most likey the right side on any scale. Now when you test the coil which when you have the battery out you should get a movement of the needle on the low setting like 1x1 or the lowest setting. You said infinity which needle didn't move ?? If not than the coil probly is open. The wire is so small that it is most likeley not repaiable. I been in radio and tv repair for 60 yrs and been around this stuff. They don't cost must to replace.

PoleCat 08-24-2012 08:04 AM

You have to be careful using an ohm meter on a higher range with small devices. Most us a 9V battery in the upper ranges and this could toast a delicate winding.


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