Samsung Galaxy S7 G935F Charging Problem Ways Solution
Here is the solution for Samsung Galaxy S7 Edge G935F Not Charging problem like there is No Charging indication shows on the display when the battery charger is being plug-in.
This problem is may caused by a faulty charger or a faulty components on Samsung SM-G935F PCB board. This problem may sometimes happens if the device suffered wet or water damaged or just exist.
Before proceeding, ensure that the battery and the battery charger are in good working condition.
– Check all the components shown on the image below, you may start by checking the USB pin connector.
– Then the fuse, diode, capacitors and filter coil for possible open or short circuit.
– Trace each of the connection line paths from USB pins down to the components where it is directly connected.
Check Charging connector for any kind of water damage, if it is then clean it and check.
Now re-solder charging connector pins and check.
Check charging voltage with the help of multi meter. Place Negative terminal of multi meter on ground and Positive on a charging pin (1st pin from your left hand side).
Make sure that the voltage is between 5V to 5.5V, if it is not then replace charging connector. (Charging Connector can be replaced by heating it from the opposite side of the board, while heating it, pull charging connector with the help of Tweezers).
Now remove metal sheet covering the charging section (It contains Charging IC and Components).
Check continuity between Fuse and Charging Pin (1st from your left hand side). If there is no continuity, place jumper.
Also check the following, and replace them if damaged:
Heat charging IC, if it is faulty then replace it.
Now check charge at the battery terminals, if it is not standard voltage then re-solder or replace battery terminals.
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