Friend I Shahbaz Welcome you Electric PointIn this video i will show you to repair Intex music system one SUBSCRIBE of this music system functioning properly but second speaker is developing vibrating reverberate its PCB has three 2030 IC But the left IC has burnt as you can see in video now we are assured that this IC has been damaged due to high voltage so we will change this IC first of all but if you want to check this IC, you can click the video in description you have to check all the rectifier diode before superseding the IC2030 so detail you multimter to measure continuity all the rectifier diodes are ok so we can replace IC2 030 we have changed the IC but still we receiving very low volume now we will check its loudnes controller as we bypass the publication controller we received the sound at full volume now we will replace its volume controller too Dont forget to LIKE