SCH

Lenovo_ThinkPad_Edge_E550_LCFC NM-A221 _r1.0_.rar

Schematic for Lenovo E550 · board NM-A221 · 2.5 MB · shared in 1 Telegram post.

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TXTAbout Lenovo ThinkPad Edge E550 LCFC NM-A221 r1.0 schematic

Lenovo ThinkPad Edge E550 LCFC NM-A221 r1.0 is a free Lenovo E550 motherboard schematic diagram for board NM-A221. It is packed in a RAR archive of 2.5 MB and covers board revision 1.0. It was first posted on 6 Jan 2023 and is available in 1 Telegram channel.

The NM-A221 schematic shows the complete circuit of the motherboard: the always-on 3VALW / 5VALW rails, the battery charger, CPU core and memory power, USB, display, audio and the BIOS/EC section. Use it to trace no-power, no-display, short-circuit and not-charging faults on Lenovo boards.

For the same board you can also find BIOS dumps — see all NM-A221 files.

Type
Schematics
Format
.rar · RAR archive
Size
2.5 MB
Brand
Lenovo
Board number
NM-A221
Model
E550
Revision
1.0
First posted
6 Jan 2023
Last posted
6 Jan 2023
Sources
1

Tags

NM-A221 schematicNM-A221 schematic diagramLenovo NM-A221Lenovo E550 schematicLenovo E550 motherboardLenovo E550 circuit diagramLenovo schematic pdflaptop schematic diagramLenovo laptop schematic diagramschematic free download

J1Download NM-A221 schematic from Telegram

R1How to download Lenovo ThinkPad Edge E550 LCFC NM-A221 r1.0

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file Lenovo_ThinkPad_Edge_E550_LCFC NM-A221 _r1.0_.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for NM-A221. Step-by-step help: downloading from Telegram.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.