AC PCB Board ki Supply Testing Kaise Karte Hain? AC PCB Board Repairing Course by Multitech Institute Multitech Institute ke AC PCB Board Repairing Course me students ko sikhaya jata hai kaise PCB Board me Supply Testing ki jati hai. Live practicals ke through bataya jata hai. ✅ Main supply input ka voltage check kaise kare ✅ AC to DC conversion ka process kaise verify kare ✅ Multimeter se points aur tracks pe voltage kaise measure kare ✅ Overload ya supply cut fault kaise detect kare AC PCB Rep