• Lenovo Ideapad 110-15LSK plug in not charging

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#1 Lenovo Ideapad 110-15LSK plug in not charging


by cygron 17 December 2023, 15:29
Model : Lenovo Ideapad 110-15LSK
Board id: LA-D562P Rev 1.0

Laptop show plug in not charging. Battery is already tested and it's ok. PQ304, PQ305, PQ306 all are ok. Need help.

JBAT1 pins
Pin 1,2 - 14.26V
Pin 3,4 - 3.3V
Pin 5 - 0.1V (With Battery) 3.3V (Without Battery)

PU301 pins (With Battery and Adapter)
Pin 1 (ACIN) - 2.18V
Pin 2 (ACOK) - 3.1V
Pin 3 (SDA) - 3.3V
Pin 4 (SCL) - 3.3V
Pin 10 (COMP) - 5V
Pin 11 (CCLIM) - 1.48V
Pin 14, 15 - 14.2V
Pin 16 (ACLIM) - 1.4V
Pin 17 (NTC) - 0.9V
Pin 18 (DCIN) - 19V
Pin 19, 20 - 5.1V
Pin 22, 23, 26 - 14.26V
Pin 29, 30 - 19.46V
Pin 31, 32 - 18.78V
Pin 5,6,7,8,9,12,13,20,21,24,25,27,28 - 0V

Re: Lenovo Ideapad 110-15LSK plug in not charging


by Google Adsense [BOT] 17 December 2023, 15:29

#2 Re: Lenovo Ideapad 110-15LSK plug in not charging  [SOLVED]


by Vogelek23 17 December 2023, 20:35
cygron wrote:Pin 29, 30 - 19.46V
Pin 31, 32 - 18.78V
This is bad of course. Pin 30 should be 26V, pin 31 and 32 should both be equal to pin 29. Replace PQ302 (MDU1512RH) and remeasure these voltages.

#3 Re: Lenovo Ideapad 110-15LSK plug in not charging


by cygron 24 December 2023, 16:21
Found PQ302 is shorted. I replace PQ302 and now charging is ok and everything is fine. Thanks a lot for your help. Best Regards.

Re: Lenovo Ideapad 110-15LSK plug in not charging


by Google Adsense [BOT] 24 December 2023, 16:21

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