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Have you just finished mounting the kit and the module lets the sound through?
#1 · 10 June 2020, 11 h 10 min
This problem has happened to several users. Nothing serious.
As usual, double check the components (value + polarity) and the welds.
But in this case, it is surely a bad solder at the level of the capacitors mainly > (104) 100nF.
The pad is small, make sure the solder has set well.