User guide

Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
Table B - 1
SCHEMATIC
DIAGRAMS
This appendix has circuit diagrams of the W840AU notebook’s PCB’s. The following table indicates where to find the
appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 VGA PCI-E Interface - Page B - 17 Charger, DC In - Page B - 32
Processor 1/11 - Page B - 3 VGA Frame Buffer Interface - Page B - 18 1.05V - Page B - 33
Processor 2/11 - Page B - 4 VGA Frame Buffer A - Page B - 19 VDD3, VDD5 - Page B - 34
Processor 3/11 - Page B - 5 VGA Frame Buffer B - Page B - 20 1.8VS, 1.5VS, 5V, 5VS, SATA_5VS - Page B - 35
Processor 4/11 - Page B - 6 VGA I/O - Page B - 21 DDR 1.5V or 1.35V / 0.75VS PCH 1.5VS - Page B - 36
Processor 5/11 - Page B - 7 VGA NVVDD Decoupling - Page B - 22 VCORE - Page B - 37
Processor 6/11 - Page B - 8 PS8625 - Page B - 23 N14P, NVVDD, PEX, FBVDDQ - Page B - 38
Processor 7/11 - Page B - 9 Card Reader / LAN RTL8411B - Page B - 24 Audio Board - Page B - 39
Processor 8/11 - Page B - 10 WLAN, MSATA - Page B - 25 HDD Board - Page B - 40
Processor 9/11 - Page B - 11 HDMI, RJ45, Fan - Page B - 26 Click Board - Page B - 41
Processor 10/11 - Page B - 12 Audio Codec ALC282 - Page B - 27 LED Board - Page B - 42
Processor 11/11 - Page B - 13 USB Charger, USB, LED - Page B - 28 Power Sequence - Page B - 43
DDR3 SO-DIMM_0 - Page B - 14 KBC-ITE IT8587 - Page B - 29
DDR3 SO-DIMM_1 - Page B - 15 CCD, TPM, I/O Connector, LID - Page B - 30
Panel, Inverter - Page B - 16 3.3V_SPI, 3.3VS, 3.3V_M, 3.3V - Page B - 31

Version Note
The schematic dia-
grams in this chapter
are based upon ver-
sion 6-7P-W8405-006.
If your mainboard (or
other boards) are a lat-
er version, please
check with the Service
Center for updated di-
agrams (if required).