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Available - May, 2014. Display - 540 x 960 pixels, 4.8 inches, 16M. Chipset - Qualcomm MSM8926/MSM8226 Snapdragon 400. Android OS, v4.3 (Jelly Bean), upgradable to v4.4.4 (KitKat).

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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

이 질문에 답하세요 저도 같은 문제를 겪고 있습니다

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댓글:

Buddhika Mahesh this is going to be tough. There are no more schematics available since Sony does not repair any electrical components anymore.

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가장 유용한 답변

Buddhika Mahesh the only thing you could try is to hack it together like this

Block Image

from here

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점수 2

댓글:

Already checked the path. 2-3 Ohms. 4.9V there. i need to generate anyhow BAT_EN signal. otherwise have to replace PM IC.

oldturkey - As always, Thank you for helping us! :-)

Buddika mahesh im from sri lanka is there a way to contact u

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