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Home audio & video forum: How This Door Bell Circuit Work?

by: AthenaDemande January 26, 2013 4:26 AM PST

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How This Door Bell Circuit Work?

by AthenaDemande - 1/26/13 4:26 AM

http://i48.tinypic.com/fpcmec.jpg
this is a door bell circuit diagram tat i drew by looking at a broken door bell. the bell is working, i think but the volume is low. so i replaced it wit another speaker of 8 ohm. but still the volume is low. by knowing the working of this circuit i can repair it pls help happy
also pls show me how to reorganize the components in the circuit diagram into group like rectification part sound producing part etc


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Wrong forum

by Pepe7 - 1/26/13 8:57 AM

In Reply to: How This Door Bell Circuit Work? by AthenaDemande

Try a DIY electronics/home improvement forum. This is Audio/video related topics.


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Odd forum to choose. But it does not work.

by R. Proffitt Moderator - 1/26/13 9:09 AM

In Reply to: How This Door Bell Circuit Work? by AthenaDemande

I see no power so if you built it, it would be silent.
Bob


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(NT) Power Of About 220V AC Is Given At J1 And J2 Points.

by AthenaDemande - 1/26/13 10:42 AM

In Reply to: Odd forum to choose. But it does not work. by R. Proffitt Moderator


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Odd.

by R. Proffitt Moderator - 1/26/13 11:00 AM

In Reply to: (NT) Power Of About 220V AC Is Given At J1 And J2 Points. by AthenaDemande

Why leave out such an important detail? No one could have guessed that.
Bob


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220vac at J1-J2?

by Oldartq - 1/26/13 10:50 PM

In Reply to: (NT) Power Of About 220V AC Is Given At J1 And J2 Points. by AthenaDemande

You got to be kidding. 220v just doesn't seem right to me (not that I know what I am talking about...hehe). So you tell me; what is that transistor circuit act like...amplifier or oscillator?


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:(

by AthenaDemande - 1/27/13 10:57 AM

In Reply to: 220vac at J1-J2? by Oldartq

i dont no anything except this circuit contain som resistors, capacitors, transformer, speaker, transistor, and this is a door bell circuit.


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Thanks for adding more detail.

by R. Proffitt Moderator - 1/27/13 11:01 AM

In Reply to: How This Door Bell Circuit Work? by AthenaDemande

It appears you need a louder doorbell. Since writing enough words to entail a course in electronics is not possible in this box my advice is to replace this door bell with a louder one.
Bob


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i dont want u to give a cousre on electronics

by AthenaDemande - 1/27/13 7:06 PM

In Reply to: Thanks for adding more detail. by R. Proffitt Moderator

just tell me how this circuit works. thats all i am asking sad


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That's what schematics do.

by R. Proffitt Moderator - 1/27/13 9:36 PM

In Reply to: i dont want u to give a cousre on electronics by AthenaDemande

Sorry but I can't put all the classes I took on electronics inside 3 paragraphs.

I'm truly sorry about that and must bow out.
Bob


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Good grief, look on youtube

by Pepe7 - 1/28/13 7:20 PM

In Reply to: i dont want u to give a cousre on electronics by AthenaDemande

Everything's right there. Some very long courses with detailed schematics for free, even. Not hard to find if you spend a little time there searching.


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