• Lenovo Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii

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 Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii


by krisark 11 July 2024, 15:27
Witam wszystkich,
Lenovo Yoga 11e, płyta 17833-1M 448.0DA05.001M
Laptop działa tylko na zasilaczu. Nie działa, ani nie ładuje baterii.
Zasilacz oryginalny Lenovo. Gniazdo sprawne.
Testowane na dwóch oryginalnych bateria, na obu jest identycznie.

PU4301, PU4303 - sprawne
PQ4401, PQ4402 - sprawne
PQ4406, PQ4407 - sprawne
PQ4404, PQ4403 - sprawne

BAT1 sam zasilacz:
pin 1, 2 - 11,25V po sekundzie zaczyna spadać do 0,00V
pin 3 - 3,29V
pin 4 - 3,29V
pin 5 - 3,26V
pin 6, 7 - 0,00V

BAT1 bateria + zasilacz:
pin 1, 2 - 12,59V po chwili ( 5 sek) spada do 0,00V
pin 3 - 3,27V
pin 4 - 3,27V
pin 5 - 0,29V
pin 6, 7 - 0,00V

BAT1 sama bateria:
pin 1, 2 - 0,00V
pin 3 - 0,00V
pin 4 - 0,00V
pin 5 - 0,00V
pin 6, 7 - 0,00V

PU4401:
pin 1 - 20,28V
pin 4 - 3,28V

Proszę o pomoc w naprawie.

Re: Lenovo Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii


by Google Adsense [BOT] 11 July 2024, 15:27

#3 Re: Lenovo Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii


by krisark 11 July 2024, 16:00
Machine wrote:From your measurements the battery should be thrown away.
Tak myślisz, na oryginalnej która była jest identycznie. Kupiłem używaną niby sprawną i jest identycznie. Myślisz, że obydwie są zepsute?
Może coś jeszcze sprawdzić, przed wymianą na kolejną sztukę?

#5 Re: Lenovo Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii


by krisark 15 July 2024, 07:06
Machine wrote:If, with only the battery connected, you have 0V on pin 1-2 of BAT1, the batteries are damaged.
Kupiona następna bateria, jest OK. Ładuje i działa z baterii. Dzięki za pomoc.

Re: Lenovo Yoga 11e, płyta 17833-1M - nie ładuje, nie działa na baterii


by Google Adsense [BOT] 15 July 2024, 07:06

Who is online

Users browsing this forum: No registered users and 1 guest

_______________________________
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.
cron