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Lenovo (LCFC) FA391&491 NM-C181 · Schematic (67 pages)

File name: FA391&491.PDF

Lenovo (LCFC) FA391&491 — Schematic, board NM-C181, 67 pages. Main chips: IT8186VG-192-BX (EC), W25Q80DVSNIG / W25Q64FWSSIQ / W25Q128FWSIQ (BIOS flash), BD82032FVJ-GE2 (CPU), BQ25700ARSNR (charger). Covers: block diagram, storage (SATA / NVMe), audio, WLAN / Bluetooth, USB, fan / thermal.

Lenovo (LCFC) FA391&491 NM-C181 · Schematic (67 pages) — page 1 preview
Page 1 preview (watermarked, reduced size)
Type
Schematic / document
Size
3.0 MB
Pages
67
Added
2026-10-09
Brand
Lenovo (LCFC)
Board
NM-C181
Also written as
NMC181 · NM C181 · NMC 181 · NMC-181
MD5
E692B763A2E106CBCD210DB13F101412
Found in
Computers › Laptop › Lenovo ThinkPad › other-Unorganized › SCH&BRD-1

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Main chips and parts

PartFunction
IT8186VG-192-BXEC (embedded controller)
W25Q80DVSNIGBIOS / SPI flash
W25Q64FWSSIQBIOS / SPI flash
W25Q128FWSIQBIOS / SPI flash
W25Q80JVSSIQBIOS / SPI flash
BD82032FVJ-GE2CPU / SoC
BQ25700ARSNRCharger
NB693GQ-ZPower (PWM)
NB690Power (PWM)
TPS51393PRJERPower (PWM)
RT8068Power (PWM)
ISL62771Power (PWM)
RT8068AZQWPower (PWM)
NB687GQ-C669-ZPower (PWM)
ISL62771HRTZPower (PWM)

Text from the first pages

Sideswipe&Jazz AMD Logic Schematics · 41.AUDIO EXT MIC I/F · 12.LPC DEBUG CONN · 61.+VDD_CORE /CORENB DECOUPE · LCD CONN · USB Type-C Conn · USB&DP repeater · (M.2 WLAN Card) · (M.2 WWAN Card) · Normal type C · PD Controller · APU HDT · Type-A M.2 Card · Type-B M.2 Card · AMD Raven Ridge · Micro SIM · Card Slot USB · Side Dock 25 · USB&DP repeater USBC1 · Part2 USB Type-C · Multi-Media Controller · USB Small Board · Card Slot 34 · USB 3.0 Gen 1 · USB 3.0 repeater · USB 3.1 repeater · USB 3.1 Gen 2 · SPI Flash · USB Type-C Conn USB2.0 port0 · HDA CODEC · LAN Chip · Normal type C 26

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