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Offline GoldDigger1950
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« Reply #220 on: August 06, 2011, 03:46:53 am »
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Quote:Posted by hamed_ghorbani
this is my board at proteus , and schematic
it's wrong?

   
 

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I'm sorry but you are not making any sense.

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Offline hamed_ghorbani
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« Reply #221 on: August 06, 2011, 04:02:01 am »
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Quote:Posted by GoldDigger1950
I'm sorry but you are not making any sense.

I think u didn't read of this subject,If u read,u know what i said

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Offline GoldDigger1950
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« Reply #222 on: August 06, 2011, 04:56:09 am »
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Frankly, you haven't told us what you are doing. Are you designing a new circuit? Have you built one of these and it won't work? There are just too many possibilities at this point. I have read all of your posts and seen all of your questions, mate. You just are not making any sense at all.

Start over. Tell us what is wrong.

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Offline ramTopic starter
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« Reply #223 on: August 06, 2011, 05:35:25 am »
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what happened hamed ghorvani, why the circuit is not functioning perhaps so many members who build the circuit and it was successful. and why making proteus board that it has a pdf file that could be directly printed easily. just don't make simple things into difficult one.

ram,

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Offline hamed_ghorbani
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« Reply #224 on: August 06, 2011, 05:54:13 am »
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Quote:Posted by GoldDigger1950
Frankly, you haven't told us what you are doing. Are you designing a new circuit? Have you built one of these and it won't work? There are just too many possibilities at this point. I have read all of your posts and seen all of your questions, mate. You just are not making any sense at all.

Start over. Tell us what is wrong.

I haven't designing new circuit,I built it,if u read all post,u must see my board
I built it,and I have problem at mc34063,I try to resolved it,because I think my board have problem,finally I built it at proteus
at first,see schematic plz,at V+,we must have 9V,for input of 7805,but when I load 2 or 3 led at output of 7805,input of 7805 drop down to 4V
It is my problem,voltage drop down at input 7805 or V+


Posted on: August 06, 2011, 05:46:16 AM
Quote:Posted by ram
what happened hamed ghorvani, why the circuit is not functioning perhaps so many members who build the circuit and it was successful. and why making proteus board that it has a pdf file that could be directly printed easily. just don't make simple things into difficult one.
ram,

Hi ram,I know,many member build it,and it was successful
At first I think my board have problem,I checked it,I found my 7805 input drop down,changed it,not resolved,change my 34063,not resolved
I want to resolve my problem
at proteus I have this problem again,proteus,no pcb,no hardware..

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Offline GoldDigger1950
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« Reply #225 on: August 06, 2011, 06:05:39 am »
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Quote:Posted by hamed_ghorbani
I haven't designing new circuit,I built it,if u read all post,u must see my board
I built it,and I have problem at mc34063,I try to resolved it,because I think my board have problem,finally I built it at proteus
at first,see schematic plz,at V+,we must have 9V,for input of 7805,but when I load 2 or 3 led at output of 7805,input of 7805 drop down to 4V
It is my problem,voltage drop down at input 7805 or V+

To test this device, put your negative meter lead on the ground of the chip, not the circuit ground or battery negative. Check the input and output voltages against that reference first. See what you get for a reading on all points.


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« Reply #226 on: August 06, 2011, 06:22:37 am »
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Quote:Posted by GoldDigger1950
To test this device, put your negative meter lead on the ground of the chip, not the circuit ground or battery negative. Check the input and output voltages against that reference first. See what you get for a reading on all points.


Can u paint it?my brain don't work now Undecided

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« Reply #227 on: August 06, 2011, 05:45:29 pm »
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hi hamed_ you are reading open cct. voltage when connecting the regulator as the reference now is not
known but before connecting you are reading the voltage across the cap. C1 AS GD stated you have no reference and as of sck. you have shown you have 24v or 2 by 12v batteries!!!

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« Reply #228 on: August 07, 2011, 09:21:07 am »
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better to get pcb and put the parts then check the voltage for sure hit. simple solution.

ram,

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Offline hamed_ghorbani
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« Reply #229 on: August 10, 2011, 11:42:14 am »
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Quote:Posted by ram
better to get pcb and put the parts then check the voltage for sure hit. simple solution.

ram,

I checked it, get new pcb and put this part(mc34063 and so on), still have problem, I checked it before proteus

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