Car amplifier repair. how to repair car subwoofer?

Please visit for diagram
https://electronicshelpcare.net/dual-low-noise-operational-amplifier/
যে কোন এমপ্লিফায়ার, আই পি এস বা ট্রান্সফরমার এর জন্য যোগাযোগ করুন
Brother Electronics. mob: +8801980060190
This circuit diagram here in this link https://electronicshelpcare.net/2sc5200-2sa1943-amplifier-board-200-watts/
https://www.facebook.com/Electronics-help-care-112746683904696/
https://www.pinterest.com/electrohelpcare/
https://www.youtube.com/channel/UCbeoDNy2iO6pwGi8cfBXbgA
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