Samsung A54 5G SM-A546B Charging Problem Solution | Charging Ways & Jumper | USB Port Not Working

Описание: Samsung A54 5G SM-A546B may face charging issues such as not charging, slow charging, USB port not detected, or dead charging IC.
In this video, I show full hardware charging solutions, including charging IC testing, USB connector inspection, PCB jumper ways, and power supply track repair.
Follow this step-by-step guide to fix all Samsung A54 charging problems quickly and efficiently.

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✅ 30 Step-by-Step Repair Guide

Power off Samsung A54 5G.

Remove back cover and battery (if removable).

Remove screws and separate rear frame.

Inspect USB charging port for debris or corrosion.

Clean port with IPA and soft brush.

Test USB +5V line with multimeter.

Check ground line continuity.

Inspect charging coil if wireless charging used.

Test battery voltage supply.

Check PMIC input voltage for charging.

Measure charging IC output pins.

Reflow charging IC if output missing.

Test USB data lines for shorts.

Jumper broken charging tracks if needed.

Inspect PCB for burnt components near USB.

Replace blown capacitor if detected.

Check inductor and diode in charging path.

Replace damaged components.

Test with known working charger.

Inspect charging IC solder joints.

Reflow solder joints carefully.

Check battery connector pins.

Jumper missing or broken lines.

Reassemble board temporarily.

Connect battery and test charging.

Verify fast charging if supported.

Check for heat around IC during charging.

Reassemble completely.

Final test with multiple chargers.

Confirm stable charging and battery percentage increment.

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