We see from life time, time standby and conversation time, We can investigate and testing using power supply with step as follows:
- When handphone on off condition here's handphone has taken current in battery, This is proven by needle ampere in power supply show number 100 mili ampere. Conditon likes this that causes battery wasful, Because handphone take from battery although handphone has died.
- First discharging IC PA.
- Re-test such as previous step, Seeing ampere needle. if it is quiet, it means that IC PA was broken.
- Changing IC PA with newly, re-test such as previous step, Seeing needle ampere, Needle ampere must be quiet.
