Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528 Schematic
This page has the schematic for Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528, a laptop motherboard from Lenovo. The board itself was engineered by Compal and carries board number NM-A231.
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Questions about this file
Which board number is this Lenovo ThinkPad Edge E445, E455 NM-A231 SVT 20140528 file for?
It's for board NM-A231, made by Compal. Compare it with the number printed on your PCB before relying on the file. Where to find it.
How do I use the schematic for diagnosis?
Start with the power-sequence and power-rail pages to find where a no-power or no-image fault begins, then locate the parts with a boardview. No-power troubleshooting plan.
Is the download free?
Yes. The button opens post #5919 in the public Telegram channel @schematicslaptop, where the file can be downloaded with a free Telegram account.