Sam A31 LIGA MAS NÃO CARREGA - Reparado AO VIVO (Análise e Diagnóstico completo)
🚨 SAMSUNG A31 TURNS ON NORMALLY, BUT DOESN'T CHARGE ⚡🔥 In this video, I show a complete diagnostic of a charging failure on a Samsung A31, analyzing the circuit's behavior step by step until I find the real defect. 👉 Let's analyze: ✔️ USB Charger Test ✔️ Consumption Reading ✔️ Voltage Measurements ✔️ Data Lines ✔️ VBUS Interpretation ✔️ Reverse Conduction Test ⚡ In addition, you will understand: 👉 OVP Input and Output 👉 Communication between OVP and IFPMIC 👉 Difference between power supply and communication in the charging circuit 🔥 During the analysis, the following was identified: ✔️ Normal 5V Input ✔️ Reduced Output on the OVP ✔️ Communication Failure with the IFPMIC ⚠️ And most importantly: You will understand why simply making a jumper does not definitively solve this defect. 🎯 Content focused on: Logical diagnosis, circuit interpretation, and conscious repair — without random part replacement. 📲 JOIN OUR FREE VIP GROUP: https://chat.whatsapp.com/Geg6Z3cvGdz... Instagram: @ricardo_tecnopro TikTok: @prof.ricardoestevam #cellphonerepair #smartphone #cellphonerepaircourse
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