Nokia 1800 charging solution

Nokia 1800 phone charging solution is very common problem.Charging is the very important part of mobile phone.Now I share how to solve this problem.View the below picture and read the below note.

How to do this work : First check charging port if ok next check fuse and diode  if damage one of them replace that.If they are ok but problem still then check charging transistor and red mark parts following above picture.