PBT 701 amplifier repairing step by step sikhe driver board mein kya fault aane per kya problem

PBT 701 amplifier step by step repairing driver board mein kis tarah ka problem a sakta hai aur kaise repair karna chahie is video mein dekhen video bahut hi mahatvpurn aur bahut hi jankari purn hai repairing karne Wale bhai ke liye is tarah ka topic dekhna bahut hi jaruri hai