Need explanation for this circuit

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SR19

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Hi all,

Can anybody explain this circuit?
 

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I think there must be a school somewhere that specializes in teaching how to draw unreadable schematics. Nobody can explain what it does without component values or an idea of what the microcontroller is programmed to do.

Brian.
 

That's why im asking in public forum. If you have no idea better don't post anything.
 

Why should we comment a half-done and apparently faulty schematic without any information what it's supposed to do? Why would you?
 

Taking a brief overview at schematic, we can observe that is incomplete due some components are not connected to anything ( JP6, U19, ... ), and others even leaning to misunderstand ( JP11 ). Sounds as a draft resulted from a reverse engineering not yet completed.



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