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Have you ever taken a device for repair and it was not given an adequate solution? Today we have this case of a Xiaomi Poco X3 Pro that made a bad intervention in the repair attempt, applied excess heat and generated a series of failures that we had to solve one by one. We are going to learn a little about the review technique to make a diagnosis of this type of failure correctly by making the corresponding measurements and analysis, this time we combine the use of measurement with a multimeter and microsoldering and reballing techniques. 00:00 Failure Explanation 01:20 Disassembly and Inspection of the faults 06:30 Audio Codec IC Repair 14:16 Total Short Diagnosis 26:10 CPU Reballing 39:38 CPU Assembly 43:35 CPU Operation Verification 46:15 Testing of the repaired equipment 48:25 Final Recommendation and Advice on the case Don't forget to leave your comments to improve in future videos and other topics of interest to all of you. Register on the Official Page of our Online Academy: https://optimus.academy/register/ Information for Training at Optimus Academy: https://optimus.academy/cursos/ Questions and Contributions: https://optimus.academy/foro/ Follow us on our Social Networks: Instagram: / optimusrepair Facebook: / optimusrepair Tiktok: / optimusrepair Contact for Collaboration and Commercial Proposals (Not technical inquiries): [email protected]