Nokia 1800 ringer solution

This is nokia 1800 ringer solution.May be damage ringer part various reason they are :
1.If damage ringer speaker
2. If damage ringer ic
3.If damage ringer line
There are shown how to do repair this problem.View the below picture and read note.

How to do this work : At first check speaker then ringer ways if damage speaker or ringer ways repair that.If they are ok but problem still then check ringer line with ground if short remove diode (red mark parts)