Laptop motherboard

Lenovo ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev 1 Schematic

This page lists the schematic for Lenovo ThinkPad L440 Wistron LOS 1 DIS UMA 12289 1 Rev 1, a laptop motherboard by Lenovo. The board was designed and built by Wistron. It is a dedicated graphics (DIS) version.

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Brand
Lenovo
Category
Laptops
Model
L440
Manufacturer (ODM)
Wistron
Revision
1
Graphics
dedicated graphics (DIS)
Contents
Schematic
Available on
Telegram
File name
Lenovo_ThinkPad_L440_Wistron_LOS_1_DIS_UMA_12289_1_Rev_1 PDF.rar

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Questions about this file

What can I do with the schematic?
Use the power-sequence and power-rail pages to find where a no-power or no-image fault starts, then locate the parts with a boardview. No-power diagnosis plan.
Is the download free?
Yes. The button opens post #6423 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.

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