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Re: please help me to know what is this schematics problam
Hi,
I can't help you with the problem,
But I'd like to comment your schematic.
The drawing is very confusing.
It is very hard to understand, because the signal flow is not intuitive.
Many unnecessary crossings, unnecessary bends, unnecessary long wires.
The GND wiring is horrible. Signal flow from right to left and back...
Usually one tries a signal flow from right to left.
Higher (supply) voltages at the top, or symbols pointing to top.
Lower voltages at bottom..
Use more GND symbols, less GND wires...
A clean schematic helps others to understand the schematic more easily. (Like here in the forum)
And it will help yourself to understand the schematic ... especially after some months or years.
Please don't get me wrong. I know my schematics looked similar than yours .... a long time ago.
Re: please help me to know what is this schematics problam
For a clarity, you should restrict to the circuit part of interest, e.g. the center part. In this case you apparently didn't manage to connect two resistors representing the potentiometer RV1.
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