• Lenovo Ideapad 110-15LSK plug in not charging

Forum rules:Click here to view the forum rules

  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
  3. Before posting a new topic please read all topics in TRAININGS subforum and make a preliminary diagnostic based on the content of those trainings.
  4. Uploading of any complete schematics, BIOS / firmware files or any other kind of documentation, or linking to 3rd party websites with such files, is STRICTLY PROHIBITED. You can only upload the small portion of documentation or, link to BIOS file on UNVERIFIED BIOS FILES subforum, which simplifies the diagnostics/repair. You are not allowed to upload more then one complete page of instruction/schematic per single topic. The file you upload must not contain any watermarks, "confidential" markings, links or email addresses and cannot be password-protected.
  5. It is only permitted to describe one faulty device per single topic - you should always open a new topic for each subsequent device.
  6. Requesting of the full schematics, BoardView files, BIOS files or any other kind of documentation is NOT ALLOWED in this subforum. If you need to ask for any of these, you should open a new topic in DOCUMENTATION/BIOS REQUEST subforum.

#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

Who is online

Users browsing this forum: No registered users and 3 guests

_______________________________
All rights reserved. Unauthorised copying of this website's content or any of its part is strictly forbidden.
Any trademarks, brand names, products or services published on this website belong to their legal owners, are copyrighted and used for information purposes only.