You don't need to understand, I understand for you! 
Do carefully as I wrote to you, it should be all right.
Do carefully as I wrote to you, it should be all right.
You got it wrong, pin #4 and resistors located on the +/- input of TDA7293 are all referenced to the signal ground, do not separate only pin # 4 from the signal ground via 10R resistor. So, two resistors and the #4 pin are connected together to the signal ground (trace or pcb area you declare as signal ground), from where it connects to the power ground via a 10R series resistor.
As luck would have it, yesterday I was explaining similar things on the Croatian diy forum so I have a ready schematic, slightly modified with 10R resistance for your case.
As luck would have it, yesterday I was explaining similar things on the Croatian diy forum so I have a ready schematic, slightly modified with 10R resistance for your case.
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maxmix69 I did everything you said and the amp exploded 😀
It worked, the noise was reduced to almost nothing 🙂
Thank you maxmix69 and everyone else who tried to help.
Some pictures:
It worked, the noise was reduced to almost nothing 🙂
Thank you maxmix69 and everyone else who tried to help.
Some pictures:
Attachments
I am happy that everything works well. This thing wouldn't have been possible without the Google translator, so thank him too!