The solution below covers for nokia 5220 Xpressmusic Earpiece Speaker Problem that no audio sound can be heard on it. If this happens you may need to check and or replace the Earpiece speaker if found already damaged.
But if the earpiece speaker is working okay but still there is no sound can be heard on during a call is been made, the problem may possibly lies on a faulty certain components that is being connected to it.
The solution below shows the line paths and which particular components needs to be check or replace.
Reworking this chip might possibly solve and fix Nokia 5220 earpiece speaker problem.