iPhone 3GS Advanced Schematic! – iphone , Assistance needed issue solution
Here is my work typed day and night for all.
2 filter at LCD light ways that is present in some 3GS boards.
Battery ways colors VBAT-Red,NTC-Green,BATT TEMP-Blue.
Charging 5Voltage have orange color.
So people will understand how is connected everything,and by red color you can understand what component can short between Battery positive Vbat and GND negative.
Enjoy and not forget to press THANKS