• Lenovo Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint

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 Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint


by dggn 19 April 2024, 08:32
potrzebuję pomocy w namierzeniu problemu z niedziałającym trackpointem w klawiaturze i touchpadem. Zarówno klawiatura jak i touchpad sprawdzone na innym P53 i działa prawidłowo

Pomierzyłem napięcia nap złączach

JCP1
n.1 0V
n.2 0V
n.3 3.3V
n.4 3.3V
n.5 3.3V
n.6 2V
n.7 3.3V
n.8 3.3V
n.9 3.3V
n.10 0V
n.11 3.3V
n.12 0V

JTP1
n.1 3.3V
n.2 3.3V
n.3 0V
n.4 0V
n.5 0V
n.6 0V
n.7 0V
n.8 0V
n.9 0V
n.10 0V
n.11 0V
n.12 0V

może ktoś miał podobny problem.

Re: Lenovo Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint


by Google Adsense [BOT] 19 April 2024, 08:32

#2 Re: Lenovo Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint  [SOLVED]


by Vogelek23 19 April 2024, 10:41
dggn wrote:JCP1
n.6 2V
Za mało, powinno być 3V. Sprawdź bezpiecznik F24 (0,5A/32V).

dggn wrote:JTP1
n.9 0V
Brak napięcia 5V. Sprawdź bezpiecznik F15 (1A/32V).

#3 Re: Lenovo Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint


by dggn 22 April 2024, 09:21
Dziękuję Admin za nakierowanie. Uszkodzony F24 początkowo nie wykazywał uszkodzenia a jednak.

Re: Lenovo Thinkpad P53 płyta nm-c262 Rev: 1.0 nie działa touchpad i trackpoint


by Google Adsense [BOT] 22 April 2024, 09:21

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.