Yes it is useful.
But i don't like it only one side of board,picture not clear you can't see small writings on components,also "Digi_Tel" "phone numbers" Written on components.
I want to tell him if you really want to help post PDF not photo,and post it in
Sticky Thread that it will be on top
http://forum.gsmhosting.com/vbb/f631...15/index2.html so people will find it easier.