From Repair Mobile
How to repair Power on fault
Power on/off fault
Some time mobile set do not give display (there is no item on screen like menu and other) if your sell phone give problem then you must follow these steps for removing problem. first you check if the is battery charged or not if the battery charge is full then you check the point of the battery and move cloth or any thing to clean the points if the problem is still then you check that the battery is connect to the terminals or not ( if not connected then you connect it) if it is connected normally you also clean the battery terminals and check it if it is connected to the circuit if these are not connect to the circuit then you connect it (now your problem is solved) if there is no break between the circuit and battery terminals then you check , some problem stay here if here is alright then you check your cell phone there is a fault in any one circuit .
1= there is a break in through passing data or passing charge you make a connectivity of them ( it means that you make sure that the currant is reach to the power integrated circuit), if there is no open circuit then.
2=you check the short circuit if there is no short circuit, if find no short circuit then.
3=you check power integrated circuit if it not work properly then you give warm it if not working then you change it. “View” in the Details column.
Power on fault
My charger is right but my cell phone does not give display.
Answer You change the diode "V202" it solve your problem.
