nokia 3500 fast draining betery

i have nokia 3500 when i insert bettery it becom very hot and draining bettery some one help me plz thnks in advnce with best wishes :eek:

check which ic is getting heated up while switching on and look that particular ic

it is shorting of pcb firstly clean pcb ,second if any ic is become hot, change or replace this ic http://www.dhakamobile.com/showthread.php?t=54214