Lenovo EG521 EG721 NM-B451 Schematic
File details
| Type | Schematic |
|---|---|
| Brand | Lenovo |
| Model | EG521 |
| Board number | NM-B451 |
| Platform | EG721 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 2.6 MB |
| Added | February 10, 2021 |
| Updated | |
| Original file name | LENOVO EG521 EG522 EZ511 EG721 NM-B451 R1.0.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
Description
Schematic for the Lenovo EG521 laptop, board number NM-B451, revision 1.0, with Compal listed as the ODM and EG721 given as the platform. The original archive name also references EG522, EZ511 and EG721, so the set may cover related models. A schematic is used to trace power rails, enable signals and other circuit paths when diagnosing a dead or faulty board. Before relying on it, confirm that the board number and revision printed on your motherboard match NM-B451 R1.0, since related models can use similar layouts.
For board NM-B451 the catalog also has 2 schematics, 3 boardview files, and 8 BIOS dumps.
Description generated from the catalog data. ·
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Questions about this file
Which board is this schematic for?
It is for Lenovo EG521 EG721 NM-B451. Compare the board number and revision printed on your PCB with the file details before relying on it.
How do I open the schematic?
It is a PDF file, usually inside an archive. Extract it and open it in any PDF reader; text search helps to find nets and parts.
Is there a boardview for the same board?
Check the related files below: files for the same board and model are listed first.