OPPO A3S (CPH 1803) FULL DEAD PHONE REPAIR ONE LINE SHORT | A3s OPPO Dead Problem Solutions

Описание: OPPO A3S (CPH 1803) FULL DEAD PHONE REPAIR ONE LINE SHORT WITH DIAGRAM & BITMAP GUIDANCE

[    • OPPO A3S (CPH 1803) FULL DEAD PHONE REPAIR...   ]

OPPO A3s (CPH1803) Dead Repair | One Line Short Solution | Charging IC Problem Fixed

In this video, you will see how we repaired the Oppo A3s (CPH1803) with a complete dead problem.
The phone had a one-line short, along with a charging IC fault, and several motherboard charging lines were also shorted.

We carefully traced the fault, removed the shorted line, and replaced the Charging IC, bringing the phone back to a fully working condition.

This video is especially useful for technicians who want to learn mobile repairing and how to handle such difficult faults.


1. In dead phones, always check battery and power lines first.


2. Use a DC power supply to confirm whether there is a short circuit.


3. If a short is found → check the capacitors or charging IC on that line.


4. Use IPA (alcohol) or a thermal camera to identify the heating/shorted part.


5. If the Charging IC is faulty → replace it, as it often causes dead issues.


6. Always check motherboard power line continuity after repair.

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