Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
This appendix has circuit diagrams of the W240HU/W241HUQ/W245HUQ/W249HUQ notebook’s PCB’s. The follow-
ing table indicates where to find the appropriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 CougarPoint - M 6/9 - Page B - 19 Power 0.85VS - Page B - 36
CPU 1/7 (DMI, PEG, FDI) - Page B - 3 CougarPoint - M 7/9 - Page B - 20 Power V-Core1 - Page B - 37
CPU 2/7 (CLK, MISC, JTAG) - Page B - 4 CougarPoint - M 8/9 - Page B - 21 Power V-Core2 - Page B - 38
CPU 3/7 (DDR3) - Page B - 5 CougarPoint - M 9/9 - Page B - 22 Charger, DC In - Page B - 39
CPU 4/7 (Power) - Page B - 6 New Card, Mini PCIE - Page B - 23 Click Board - Page B - 40
CPU 5/7 (Graphics Power) - Page B - 7 CCD, 3G, TPM - Page B - 24 Audio Board/USB - Page B - 41
CPU 6/7 (GND) - Page B - 8 Card Reader/LAN JMC251C - Page B - 25 Power Switch & LID Board - Page B - 42
CPU 7/7 (RESERVED) - Page B - 9 LAN (JMC251C), SATA HDD, ODD - Page B - 26
DDR3 SO-DIMM_0 - Page B - 10 USB 2.0 Connector - Page B - 27
DDR3 SO-DIMM_1 - Page B - 11 KBC-ITE IT8518 - Page B - 28
LVDS, Inverter - Page B - 12 LED, MDC, BT - Page B - 29
HDMI, CRT - Page B - 13 Audio Codec ALC269 - Page B - 30
CougarPoint - M 1/9 - Page B - 14 USB, Fan, TP, Multi-Conn - Page B - 31
CougarPoint - M 2/9 - Page B - 15 5VS, 3VS, 1.05VS, 1.5VS_CPU - Page B - 32
CougarPoint - M 3/9 - Page B - 16 VDD3, VDD5 - Page B - 33
CougarPoint - M 4/9 - Page B - 17 Power 1.5V/0.75V/1.8VS - Page B - 34
CougarPoint - M 5/9 - Page B - 18 Power 1.05VS - Page B - 35
Table B - 1
SCHEMATIC
DIAGRAMS
Version Note
The schematic dia-
grams in this chapter
are based upon ver-
sion 6-7P-W24H5-002.
If your mainboard (or
other boards) are a lat-
er version, please
check with the Service
Center for updated di-
agrams (if required).
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