Lenovo 11-15AST CG512 NM-B112 Rev1.0 No signal

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • GfilipeZ
    Member
    • May 2021
    • 43
    • Portugal

    #1

    Lenovo 11-15AST CG512 NM-B112 Rev1.0 No signal

    Hi,

    I checked the logic board, and didn't find any corrosion or damaged components.
    I can't find any schematics or boardview.

    Anyone with experience on these devices?

    Thanks in advance.

Related Topics

Collapse

  • questore
    Lenovo Legion 5 missing EC_ON_5V signal (5v_AWL)
    by questore
    Dear all.
    I have a Lenovo Legion 5 that come to me as faulty.
    The problem was that Adapter_ID pin was shorted by some liquid... killing the EC (there was a hole in the EC) (therefore 3.3v was shorted)
    I have removed shorted EC it and tested that if i short EC_SBM_CK1 to ground, then the BQ24780SRUYR power IC lets 20v pass the first and second mosfet.
    Nothing else seems shorted when checking 3V,5V, 1.1V, battery or 1.0v coils, so I have ordered the new EC chip.

    I have ordered a preprogrammed Chip for NM-C921 and soldered it on. (No pins shorted after checking...
    02-23-2025, 04:25 AM
  • Document Archive
    Lenovo 3000 Series Schematic
    by Document Archive
    Lenovo 3000 Series Schematic

    Lenovo 3000 was a line of low-priced notebook and desktop computers designed by Lenovo Group targeting small businesses and individuals. It was replaced with the IdeaCentre and IdeaPad brands.

    3000 C100 laptop with Braille keyboard
    Lenovo 3000 C
    C100, C200 - 15-inch XGA screen
    Lenovo 3000 N
    N100, N200 - 14.1-inch- and 15.4-inch- WXGA models
    N500 - 15.4 inch screen.
    Lenovo 3000 V
    V100, V200 - 12.1-inch WXGA models
    Lenovo 3000 G
    G400, G410, G430, G450, G455, G510, G530, G550, and G560...
    10-04-2024, 06:05 AM
  • Document Archive
    Lenovo IdeaPad 120S Notebook 100 Specification for Upgrade or Repair
    by Document Archive
    This specification for the Lenovo IdeaPad 120S Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 120S boardview and 120S schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Lenovo IdeaPad 120S...
    09-06-2024, 06:40 AM
  • Document Archive
    Lenovo IdeaPad 320 Notebook 300 Specification for Upgrade or Repair
    by Document Archive
    This specification for the Lenovo IdeaPad 320 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 320 boardview and 320 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Lenovo IdeaPad 320...
    09-06-2024, 06:06 AM
  • derradji89
    Need help Lenovo MIX 320-10lCR domaine name SERCOL
    by derradji89
    Hi everyone 🤗
    I have a Lenovo MIX 320-10lCR computer.**
    1. **Operating System**: Windows 10 ** Education** 64-bit.
    2. **User Account Restrictions**: The account I'm using has heavily restricted permissions via **UAC** and **Group Policy**. This means I cannot install any software without admin rights, adjust system time, run Command Prompt as administrator, or modify the registry via Regedit—all are blocked.
    3. **BIOS Password Protection**: The BIOS is locked with a password, preventing me from installing a new operating system.
    4. **BIOS Chip Reflashing**: Currently,...
    04-19-2025, 03:04 PM
  • Loading...
  • No more items.
Working...