Solution in this article is for Nokia 230 RM-1172 Charging problem. So if your phone in not charging solution diagram in this post can be helpful to you.
So if you are experiencing any charging problem or problem connecting your Nokia 230 to your computer via USB cable then it is possible that your Nokia 230 charging connector is faulty. Replacing it with a new one is the only solution here. But if by any chance the USB connector prints are broken then you have to make the jumpers as shown in the diagram below.
After opening your Nokia 230 handset, the very first thing that you should do is to check it with any other good battery.
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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