• Lenovo Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

It is currently 14 December 2024, 03:57

Lenovo Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

 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 Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

by allas28 • 3 December 2024, 14:03
Model: Lenovo Legion 5 15IMH05H
MB: NM-C911 rev.1.0
CPU: SRH8Q I7 10750H
GPU: Nvidia N18E-G1-B-KD-A1
BIOS: Gigadevice 25B127DSIG
Chipset: SRJAU Intel HM470
KBC: Lenovo ITE IT8227E-192 CXA
Płyta po innym serwisie wylutowane pch. Przebity mosfet w przetwornicy 3,3V , uszkodzone IT8176FN-56A-BX , ALC3287-CG , RTL8111H-CG. Sekcja 3,3 V naprawiona zmieniony mosfet i reszta uszkodzonych układów. Obecnie płyta startuje są wszystkie napięcia , przechodzi inicjalizacje capslock świeci . Brak obrazu na HDMI i matrycy. Na UG9 4 nóżka 0V brak +LCD_VDD na JDEP1. Prześledziłem Sygnał wychodzi z 4 nogi UG5 bramka and - nr 1- 0v 2 - 3,3V nr 4- 0V nr 5-3,3V . Nóżka 1 jest wyjście sygnału z UG3 nóżka nr 1 -0,034v 2 -0V zasilanie 5 3,3V. Wszystkie rezystancje w normie . PCH które zamontowałem było używane , możliwe że to w nim jest problem ??

Re: Lenovo Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

by Google Adsense [BOT] • 3 December 2024, 14:03

#2 Re: Lenovo Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

by matic • 12 December 2024, 10:17
Hello!

- Does the CapsLock LED respond to pressing on the CapsLock button?
- Measure the power consumption (in mA) of the board, when the machine is turned on with and without RAM memory connected.

Re: Lenovo Legion 5 15IMH05H uruchamia się bez obrazu na HDMI i matrycy.

by Google Adsense [BOT] • 12 December 2024, 10:17
Similar Topics
Lenovo Legion 5 15IMH05H NM-C911 nie włącza się/brak obrazu
Lenovo Ideapad Legion 5 15IMH05H - brak obrazu
  Asus TUF Gaiming FX505DU - Uruchamia się bez obrazu na matrycy  [SOLVED]
  Lenovo Legion 5 15IMH05H NM-C911 - brak obrazu  [SOLVED]
Asus tuf gaming f15 brak obrazu na matrycy, przez HDMI jest obraz
MacBook Pro 13 A1989 820-00850 uruchamia się, brak obrazu na matrycy

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.