Service manual

Schematic Diagrams
B - 1
B.Schematic Diagrams
Appendix B: Schematic Diagrams
This appendix has circuit diagrams of the E5120Q/E5120Q-C/E5125/E5125-C/E5128Q/E5128Q-C 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 IBEXPEAK - M 2/9 - Page B - 16 LED, MDC, BT - Page B - 30
Clock Generator - Page B - 3 IBEXPEAK - M 3/9 - Page B - 17 USB, Fan, TP, Multi-Conn - Page B - 31
CPU 1/7 (DMI, PEG, FDI) - Page B - 4 IBEXPEAK - M 4/9 - Page B - 18 5VS, 3VS, 1.5VS - Page B - 32
CPU 2/7 (CLK, MISC, JTAG) - Page B - 5 IBEXPEAK - M 5/9 - Page B - 19 Power 3.3V/5V - Page B - 33
CPU 3/7 (DDR3) - Page B - 6 IBEXPEAK - M 6/9 - Page B - 20 Power 1.5V/0.75V, 1.8VS - Page B - 34
CPU 4/7 (Power) - Page B - 7 IBEXPEAK - M 7/9 - Page B - 21 Power 1.1VS_VTT - Page B - 35
CPU 5/7 (Graphics Power) - Page B - 8 IBEXPEAK - M 8/9 - Page B - 22 Power VGFX_Core - Page B - 36
CPU 6/7 (GND) - Page B - 9 IBEXPEAK - M 9/9 - Page B - 23 V-Core - Page B - 37
CPU 7/7 (RESERVED) - Page B - 10 New Card, Mini PCIE - Page B - 24 AC_IN, Charger - Page B - 38
DDR3 SO-DIMM_0 - Page B - 11 3G, CCD, TPM - Page B - 25 Click Board - Page B - 39
DDR3 SO-DIMM_1 - Page B - 12 Card Reader/LAN JMB251C - Page B - 26 Audio Board/USB - Page B - 40
LVDS, Inverter - Page B - 13 LAN (JMC251C), SATA HDD, ODD - Page B - 27 Power Switch & LED Board - Page B - 41
HDMI, CRT - Page B - 14 Audio Codec VIA1812 - Page B - 28 External ODD Board - Page B - 42
IBEXPEAK- M 1/9 - Page B - 15 KBC-ITE IT8502E - Page B - 29
Table B - 1
SCHEMATIC
DIAGRAMS

Version Note
The schematic dia-
grams in this chapter
are based upon ver-
sion 6-7P-E51Q5-003.
If your mainboard (or
other boards) are a la-
ter version, please
check with the Service
Center for updated di-
agrams (if required).