Zero to one hundred troubleshooting of the charging circuit of Samsung A30, A50, A70

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MobileClinic

Published on Jul 11, 2024
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Charging circuit failures are the most common type of failure on the market, and it requires checking the circuit from start to finish. 👁️ Tell me in the comments what circuit is difficult for you to troubleshoot so I can help you out?! You don't always need to pay a lot of money to get trained at the Mobile Clinic. Everything is free, buddy. 😈☑️ #Repair #Repairs #Hardware #Repair_Training #Water_Damage #Service #Flat_Repair #Specialized_Training #Samsung #‏a22 #Repair_Training #Gift #Kindness #Success #Growth #Encouragement #Rasht #Municipality #Gilan #Repairs #Repair_Training #Hardware #iPhone_Repairs #Encouragement #Mobile #Samsung #Clinic #Specialized_Training_Mobile_Repairs #Skill #Humanity #Goodness #Generosity #iPhone #Specialized_Repairs #Troubleshooting #Charging_Circuit #a30 #a50 One of the most important tests in the repair department is the voltage test. In this video, a Huawei phone was used to test the voltage. I must say that this device has a problem in the charging circuit, which is necessary for the health of the circuit. The multimeter is used in the DC range. In the first step of the test, we test the part that has the most damage, which includes the charging connector. The important point is the input voltage of the circuit, which should display 5 volts (of course, this value depends on your charger adapter). Next, in order to obtain the health of the charging path, find the capacitors of the charging path with the help of the schematic and solution and see the correct voltage again. To continue the investigation, you will test the charging IC and again see the voltage test, i.e. the output of the charging circuit on the battery connector or around the power supply, which should display an output of about 4.2 tenths of a volt. Of course, the exact value depends on 100% battery voltage. With this test, you will obtain the health of the charging circuit step by step.

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