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x550d (x750dp rev:2.0) battery not charge
https://vlab.su/viewtopic.php?f=40&t=38925		 Страница 1 из 1
R EZ A [ 24 ноя 2015, 13:55 ]
Заголовок сообщения:  x550d (x750dp rev:2.0) battery not charge
hi guys
this laptop at first has turning on problem
i replace bq24725 and it turned on

but now it dont charge the battery
in windows it show"0%,pluged in,charging"
but no vlotage change on battery

i replace charging mosfets but no change

when just battery is pluged,laptop dont turn on with power key

but when plug battery and ac,it turned on when press power key
and when i remove ac,it stay on with battery

with battery bq24751 vcc=14.5V regn=0
on ac regn=6

what do u think?
R EZ A [ 26 ноя 2015, 18:26 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
any idea?
planetoxod [ 26 ноя 2015, 18:30 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
Driving give.
R EZ A [ 26 ноя 2015, 20:54 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
what???!!!!
planetoxod [ 26 ноя 2015, 22:45 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
write in Russian, where the scheme?
techgirl94 [ 27 ноя 2015, 02:40 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
This guy had exactly the same problem, with the same laptop model:
http://notebook-pro-center.ru/viewtopic.php?id=1005
He solved it by replacing charging controller (BQ24725A) and controller of second output key (IRF8707PBF)
Use google translate to translate that thread above from Russian to English
I hope that helps you
krokozjbr [ 28 ноя 2015, 19:49 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
ACIN_EC, EC_VDCBATOUT, IDCBATOUT?
Jenuk [ 28 ноя 2015, 22:16 ]
Заголовок сообщения:  Re: x550d (x750dp rev:2.0) battery not charge
check the Power MOSFET
Изображение
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