Caixa de som Avox não liga Resolvido

In this video, I show how I repaired an Amvox speaker that stopped working because the customer used the wrong power supply. Learn how to diagnose and replace the protection components! 🛠️ TOOLS I USE AND RECOMMEND: (Click the links below to safely equip your workbench) 📟 ANENG Professional Multimeter (Top of the line): https://mercadolivre.com/sec/2d1XrdF 📏 Digital Multimeter (Best Cost-Benefit): https://mercadolivre.com/sec/1VMR58e 🔥 Complete Soldering Iron Kit + Solder Sucker: https://mercadolivre.com/sec/2DspQY3 🔍 Magnifying Glass with Stand and Clamp (Third Hand): https://mercadolivre.com/sec/34er18k 💡 Solder Sucker (Professional Model): https://mercadolivre.com/sec/1Bpyckx 🧪 Soldering Paste (Perfect Solder): https://mercadolivre.com/sec/2k9V6x7 🔗 Female P4 Plug with Terminal (Practicality): https://mercadolivre.com/sec/2EoNnt6 🔌 12V 2A Bivolt Power Supply (For adaptations): https://mercadolivre.com/sec/2RYCZKF (By purchasing through the links above, you acquire tested products and help the Mauro Ferratech channel continue bringing electronics lessons! Chapters: 00:00 Start of repair 02:37 Testing components 07:43 Replacing the resistor 12:14 Test with bench power supply 24:53 Final considerations #Ferratech #Electronics #Repair #TechnicianTips #MercadoLivreAffiliates