Service manual
Table Of Contents
- Manual
- Preface
- 1: Introduction
- Overview
- System Specifications
- External Locator - Top View with LCD Panel Open
- External Locator - Front & Left Side Views
- External Locator - Right Side & Rear Views
- External Locator - Bottom View
- Mainboard Overview - Top (Key Parts)
- Mainboard Overview - Bottom (Key Parts)
- Mainboard Overview - Top (Connectors)
- Mainboard Overview - Bottom (Connectors)
- 2: Disassembly
- Overview
- Maintenance Tools
- Connections
- Maintenance Precautions
- Disassembly Steps
- Removing the Battery
- Removing the Hard Disk Drive
- Removing the Modem
- Removing the Wireless LAN
- Removing the System Memory (RAM)
- Removing the Optical (CD/DVD) Device
- Removing the Processor
- Removing the Keyboard
- Appendix A: Part Lists
- Appendix B: Schematic Diagrams
- System Block Diagram
- Socket 479 - 1 of 2
- Socket 479 - 2 of 2
- 855PM MCH-1
- 855PM MCH-2
- 855PM MCH-3
- DDRAM
- DDR Termination
- Clock Generator
- ICH4-1 (1 of 3)
- ICH4-2 (2 of 3)
- ICH4-3 (3 of 3)
- USB 2.0
- MDC, BT, CCD, Mini PCI
- HDD, CDROM
- LAN RTL8110S (B)-32
- LPC S I/O, Flash ROM
- Power On Checklist
- Hitachi H8S
- Audio Codec ALC202
- PCMCIA (PCI1620)
- PCMCIA Socket
- TI1394 (TSB43AB21)
- M10 AGP/PCI/Power
- M10 MEM I/F-A
- M10 MEM I/F-B
- M10 VGA Connector
- Panel CON
- VGA DDR DRAM Termination
- Audio Out & Off Board
- BTVCC, +1.5V, +1.8VS
- V_CORE
- +VDD3, +VDD5, +12V, +3V, +5V
- +2.5VS, +1.25VS, +5VS, +3VS
- Charger
- SMSC LPC47N217 LPC I/F

Schematic Diagrams
B-1
B.Schematic Diagrams
Appendix B:Schematic Diagrams
This appendix has circuit diagrams of the M375E notebook’s PCB’s. The following table indicates where to find the ap-
propriate schematic diagram.
Diagram - Page Diagram - Page Diagram - Page
System Block Diagram - Page B - 2 MDC, BT, CCD, Mini PCI - Page B - 15 M10 VGA Connector - Page B - 28
Socket 479 - 1 of 2 - Page B - 3 HDD, CDROM - Page B - 16 Panel CON - Page B - 29
Socket 479 - 2 of 2 - Page B - 4 LAN RTL8110S (B)-32 - Page B - 17 VGA DDR DRAM Termination - Page B - 30
855PM MCH-1 - Page B - 5 LPC S I/O, Flash ROM - Page B - 18 Audio Out & Off Board - Page B - 31
855PM MCH-2 - Page B - 6 Power On Checklist - Page B - 19 BTVCC, +1.5V, +1.8VS - Page B - 32
855PM MCH-3 - Page B - 7 Hitachi H8S - Page B - 20 V_CORE - Page B - 33
DDRAM - Page B - 8 Audio Codec ALC202 - Page B - 21 +VDD3, +VDD5, +12V, +3V, +5V - Page B - 34
DDR Termination - Page B - 9 PCMCIA (PCI1620) - Page B - 22 +2.5VS, +1.25VS, +5VS, +3VS - Page B - 35
Clock Generator - Page B - 10 PCMCIA Socket - Page B - 23 Charger - Page B - 36
ICH4-1 (1 of 3) - Page B - 11 TI1394 (TSB43AB21) - Page B - 24 SMSC LPC47N217 LPC I/F - Page B - 37
ICH4-2 (2 of 3) - Page B - 12 M10 AGP/PCI/Power - Page B - 25
ICH4-3 (3 of 3) - Page B - 13 M10 MEM I/F-A - Page B - 26
USB 2.0 - Page B - 14 M10 MEM I/F-B - Page B - 27
Table 1
Schematic
Diagrams
Version Note
The schematic dia-
grams in this chapter
are based upon ver-
sion 71-M37E0-D04. If
your mainboard (or
other boards) are a lat-
er version, please
check with the Service
Center for updated di-
agrams (if required).