Here is the solution for Samsung B310E Guru Music 2 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 B310E 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.
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.All of the above steps will surely help you to resolve your Samsung B310E charging problems in the best possible manner. If you are lucky enough then simple workaround method will get the job done for you.
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