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Appendix B: Schematic Diagrams
This appendix has circuit diagrams of the W740SU notebook's PCB's. The following table indicates where to find the
appropriate schematic diagram.
Diagram - Page
System Block Diagram - Page B - 2
TPM - Page B - 3
Processor 1/7-DMI, FDI, PEG - Page B - 4
Processor 2/7- CLK, MISC - Page B - 5
Processor 3/7- (DDR3) - Page B - 6
Processor 4/7- Display - Page B - 7
Processor 5/7- Power - Page B - 8
Processor 6/7- GND - Page B - 9
Processor 7/7- RSVD - Page B - 10
DDR3 SO-DIMM_0 - Page B - 11
DDR3 SO-DIMM_1 - Page B - 12
PANEL - Page B - 13
HDMI - Page B - 14
Mini Display Port - Page B - 15
Diagram - Page
PCH 1/10 - RTC, HDA, SATA - Page B - 16
PCH 2/10 - LPC, SMBUS SPI, CL - Page B - 17
PCH 3/10 - DMI, FDI, PWRGD - Page B - 18
PCH 4/10 - CRT, Display, PCI - Page B - 19
PCH 5/10 - PCIe, USB - Page B - 20
PCH 6/10 - GPIO, Misc - Page B - 21
PCH 7/10 - CLK - Page B - 22
PCH 8/10 - POWER - Page B - 23
PCH 9/10 - Power - Page B - 24
PCH 10/10 - GND - Page B - 25
WLAN, mSATA - Page B - 26
CCD, FAN, CLICK - Page B - 27
LAN, RJ-45 - Page B - 28
VT1802S - Page B - 29
Diagram - Page
KBC-ITE IT8587E - Page B - 30
5VS, 3.3VS, 5V, 3.3V, VCCDDQ - Page B - 31
1.05V - Page B - 32
VDD3, VDD5, 3.3VM - Page B - 33
VDDQ, VDDQ_VTT, 1.5VS - Page B - 34
VCORE - Page B - 35
AC-IN, Charger - Page B - 36
POWER SWITCH BOARD - Page B - 37
HDD Board - Page B - 38
LED Board - Page B - 39
Card Reader - Page B - 40
USB - Page B - 41
USB, Audio Board - Page B - 42
Power Diagram - Page B - 43
Schematic Diagrams
Table B - 1
SCHEMATIC
DIAGRAMS
Version Note
The
schematic
dia-
grams in this chapter
are based upon ver-
sion 6-7P-W7405-004.
If your mainboard (or
other boards) are a lat-
er
version,
please
check with the Service
Center for updated di-
agrams (if required).
B - 1
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