This solution shows the connection line tracks of Nokia 5230, Nokia 5232 and Nokia 5233 Xpressmusic Power Button ON and OFF Switch. This may help for repairing the device if its unable to power up or TURNS ON.
Nokia 5230, 5232, 5233 Power Switch Jumper Tracks
This may only work if the device show charging indication but unable to power up. Or having a problem with the power switch if its solder terminal pads has been already lifted or damaged.