Not Charging : Dead

Hi Team,

Sony Xperia M2 - Dead Unit.

Device status & measurements :

The fault is Phone is not charging, USB Power ( 5V, 10-20 mA) Battery Charging voltage 1.1 - 4.1V, current fluctuating.

Note : This is liquid damaged device

Observations & tests

• TH voltage is 1.2V it seems OK

• There is no BAT EN signal 0.6V

* Phone can be power on when given the BAT+ - to with external power supply

• When plug the battery connector 0V at battery terminals. that's mean Battery Disable itself
• When unplug the battery and can be get measurement 3.7V
• Checked with new battery, same result observed. - Battery is OK

If any idea please comment. Thank you for your time. in simple i need to enable BAT EN signal or need a way to bypass. or Please help to find schematic diagram for D2303