| i will try to explain
the external power(extpwr positive pin of charger) in all sonyericsson is going on 2 points:
1.power managment circuit
2.CPU (information that charger is connected).in this point is conecting also the charging led(anode-positive).if you measure this 2 point's(extpwr and +LED) with ohmmeter you will find 10 ohms resistance because in serial is conected the ESD(ELECTROSTATIC DISCHARGE) protector.
photos on previus page is the conection for 2nd case.so if it is very dificult to you to make this bridge(like on the photo) try to make bridge directly from extpwr to +pin(anode) of the charging led.
on the schemes below you can see this 2 points.
for just in case make measure(with ohmmeter) before make bridge,it's possible 1 of the 2 points is ok. |