Welcome to my channel, I'm Leonardo, passionate about electronics and repairing mobile devices. In today's video, we face an interesting challenge: a Huawei P30 Pro that, despite its robustness and quality, has a charging problem. Upon initial inspection, it appears to be a motherboard issue. This is a rare problem, but as you will see, quite easy to solve.
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We started the process by quickly disassembling the device, a task we performed with efficiency and meticulousness. As always, we highly value our audience's time and strongly believe in the importance of working quickly but carefully. In the next phase, we remove all the screws from the middle casing and take off the NFC antenna.
Before proceeding, it is crucial to remember one very important step: disconnecting the battery connector. This is essential to avoid possible short circuits on the motherboard, a setback that can add unnecessary difficulties to the process. Subsequently, we proceed to disconnect the other connectors one by one.
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At the visual inspection stage, we identified that some components were missing, an observation that underscores the importance of this phase. Among the missing components, we note the lack of two resistors and a capacitor, essential elements for the phone's charging function. But there is no need to worry! We have an ingenious solution.
Since we don't have a Huawei P30 Pro motherboard in our lab, we decided to recycle these components from a Huawei P20 Pro. This is a very useful trick, illustrating the interchangeability of many electronic components, as long as they are of equal value.
During the soldering phase, we employ care and precision, using only 10% airflow to avoid displacing the component. After soldering each component, we verify its correct placement and soldering using an antistatic clamp and a multimeter in diode mode.
Finally, after a meticulous cleaning and reassembly process, we managed to see the charging signal on the device's screen. This is always a moment of satisfaction: confirmation that our hard work has paid off. After a couple more minutes, the Power-Z tool confirms that everything is working perfectly.
And so concludes our repair journey for today. Thanks for joining me on this adventure and I hope you found the content useful and informative. I'm Leonardo, and I'm looking forward to sharing more fixes and tips with you in upcoming videos. Until next time!
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