Kindly provide me the circuit schematic of this Automatic controller' PCB ??

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i didn't understand your answer , sorry
 

FvM said:
I already answered the question in post #35.
Click to expand...

what about this circuit Danishdeshmuk , have a look at it

**broken link removed**

0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0.002-3 A

FvM also comment on it
 

I'm sure a linear voltage regulator can work for the application - if you don't mind the heatsink.
 

heat sink ? what's wrong with it ?
Click to expand...
Nothing in particular. But it will hardly fit the form factor of the original board. A larger transformer may be needed in addition to compensate for the losses.
 

typically of what rating ?
 

kindly discuss the current amplifier for the replacement of this mentioned ciruit
 

FvM said:
Nothing in particular. But it will hardly fit the form factor of the original board. A larger transformer may be needed in addition to compensate for the losses.
Click to expand...

typically of what rating ?
 

I wonder why this small problem cause such a long conversation.
Why design a new similar device when that has already been developed.
Normally we only repair the defective part from the unit, or change the replacement part of the device.

When it is a case of a production machine, it is not time to develop a new spare parts.

I agree the post #20 from FvM,
Unless somebody is motivated to do everything for free, it will be more expensive to design a replacement.
I also wonder how you want to build a replacement, if you're not able to repair the existing board.

Even the replacement parts can been buyed with much much lower cost , tested and with warranty.
 
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    FvM

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If he wants a new design , why not provide him the best available design as a replacement ?

As he already told that the card is burnt so badly that he or nobody might repair it .... so what to do ?

Also he can't buy it because it is so expensive for him
 

do the current regulators need any kind of feed back ?
 

which one can be easily used to charge the chargeable battery voltage regulator , current regulator or dc power supply ?
 

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