28
Chapter 3
Pre-disassembly Procedure
Before proceeding with the disassembly procedure, perform the steps listed below:
1.
Turn off the system and all the peripherals connected to it.
2.
Unplug the power cord from the power outlets.
3.
Unplug the power cord from the system.
4.
Unplug all peripheral cables from the system.
5.
Place the system unit on a flat, stable surface.
Summary of Contents for Aspire M3900
Page 1: ...Acer Aspire M3900 Service Guide PRINTED IN TAIWAN ...
Page 13: ...Chapter 1 5 Block Diagram ...
Page 42: ...34 Chapter 3 Removing the TV Card 1 Gently pull the TV card to remove it from the mainboard ...
Page 50: ...42 Chapter 3 3 Pull the bezel away from the chassis ...
Page 57: ...Chapter 3 49 3 Lift the power supply module out of the chassis ...
Page 59: ...Chapter 3 51 4 Pull the card reader out of chassis ...
Page 69: ...Chapter 5 61 M B Placement Jumper and Connector Information Chapter 5 ...
Page 75: ...Chapter 5 67 ATX12V CONN 1 GND 2 GND 3 12V_4P 4 12V_4P Connector Name Function Definition ...