Sir yhi bord mai bhi repeyar kiya hu shot ho gya tha to bana to diya hu ic mosfet dal ke but sound dheem karne pe fati awaj deta hai matlb sir jab mobile se awaj kam krta hu to fati awaj dene lgta hai jab mobile se full awaj kr deta hu to sahi deta hai kya hua hoga sir bataiye na please sir